{
 "name": "How Rare Is My fact index",
 "url": "https://howrareismy.com/facts",
 "csv": "https://howrareismy.com/downloads/howrareismy-facts.csv",
 "note": "Each fact is computed from the same data as the page that states it. Cite the primary source with the page.",
 "facts": [
  {
   "id": "birthday-most-common",
   "topic": "Birthdays",
   "claim": "September 12 is the most common birthday in the United States: 191,024 births from 2000 to 2014, about 1 in 326.",
   "value": "September 12",
   "population": "62,187,024 U.S. births",
   "period": "2000–2014",
   "source": "Social Security Administration counts via FiveThirtyEight",
   "sourceUrl": "https://github.com/fivethirtyeight/data/tree/master/births",
   "page": "https://howrareismy.com/most-common-birthdays"
  },
  {
   "id": "birthday-rarest-yearly",
   "topic": "Birthdays",
   "claim": "December 25 has the fewest births of any date that comes every year: 96,568 U.S. births from 2000 to 2014, about 1 in 644.",
   "value": "December 25",
   "population": "62,187,024 U.S. births",
   "period": "2000–2014",
   "source": "Social Security Administration counts via FiveThirtyEight",
   "sourceUrl": "https://github.com/fivethirtyeight/data/tree/master/births",
   "page": "https://howrareismy.com/rarest-birthdays"
  },
  {
   "id": "birthday-leap-day",
   "topic": "Birthdays",
   "claim": "February 29, which comes once every four years, had 41,869 U.S. births from 2000 to 2014, about 1 in 1,485.",
   "value": "February 29",
   "population": "62,187,024 U.S. births",
   "period": "2000–2014",
   "source": "Social Security Administration counts via FiveThirtyEight",
   "sourceUrl": "https://github.com/fivethirtyeight/data/tree/master/births",
   "page": "https://howrareismy.com/rarest-birthdays"
  },
  {
   "id": "birthday-paradox",
   "topic": "Birthdays",
   "claim": "In a group of 23 people there is a 50.8% chance that two share a birthday, using real U.S. birth frequencies rather than 365 equal days.",
   "value": "23 people",
   "population": "U.S. birth frequencies by date",
   "period": "2000–2014",
   "source": "Social Security Administration counts via FiveThirtyEight",
   "sourceUrl": "https://github.com/fivethirtyeight/data/tree/master/births",
   "page": "https://howrareismy.com/birthday-paradox"
  },
  {
   "id": "birth-month-most",
   "topic": "Birthdays",
   "claim": "August had the most U.S. births per day in 2024: 10,506 a day.",
   "value": "August",
   "population": "3,628,934 births to U.S. residents",
   "period": "2024",
   "source": "CDC / NCHS, 2024 natality public-use file",
   "sourceUrl": "https://www.cdc.gov/nchs/data_access/vitalstatsonline.htm",
   "page": "https://howrareismy.com/most-common-birth-month"
  },
  {
   "id": "birth-month-fewest",
   "topic": "Birthdays",
   "claim": "January had the fewest U.S. births per day in 2024: 9,581 a day.",
   "value": "January",
   "population": "3,628,934 births to U.S. residents",
   "period": "2024",
   "source": "CDC / NCHS, 2024 natality public-use file",
   "sourceUrl": "https://www.cdc.gov/nchs/data_access/vitalstatsonline.htm",
   "page": "https://howrareismy.com/most-common-birth-month"
  },
  {
   "id": "birth-weekday-busiest",
   "topic": "Birthdays",
   "claim": "Tuesday was the busiest day of the week for U.S. births in 2024, with 11,129 births on an average Tuesday.",
   "value": "Tuesday",
   "population": "3,628,934 births to U.S. residents",
   "period": "2024",
   "source": "CDC / NCHS, 2024 natality public-use file",
   "sourceUrl": "https://www.cdc.gov/nchs/data_access/vitalstatsonline.htm",
   "page": "https://howrareismy.com/most-common-birth-month"
  },
  {
   "id": "birth-month-most-2000-2014",
   "topic": "Birthdays",
   "claim": "Over 2000 to 2014, September had the most U.S. births per day: 11,999 a day. January had the fewest.",
   "value": "September",
   "population": "62,187,024 U.S. births",
   "period": "2000–2014",
   "source": "Social Security Administration counts via FiveThirtyEight",
   "sourceUrl": "https://github.com/fivethirtyeight/data/tree/master/births",
   "page": "https://howrareismy.com/most-common-birth-month"
  },
  {
   "id": "zodiac-rarest",
   "topic": "Zodiac signs",
   "claim": "Capricorn is the rarest zodiac sign among U.S. births: 7.63% of births from 2000 to 2014.",
   "value": "Capricorn",
   "population": "62,187,024 U.S. births",
   "period": "2000–2014",
   "source": "Social Security Administration counts via FiveThirtyEight",
   "sourceUrl": "https://github.com/fivethirtyeight/data/tree/master/births",
   "page": "https://howrareismy.com/zodiac-sign"
  },
  {
   "id": "zodiac-most-common",
   "topic": "Zodiac signs",
   "claim": "Leo is the most common zodiac sign among U.S. births: 8.99% of births from 2000 to 2014.",
   "value": "Leo",
   "population": "62,187,024 U.S. births",
   "period": "2000–2014",
   "source": "Social Security Administration counts via FiveThirtyEight",
   "sourceUrl": "https://github.com/fivethirtyeight/data/tree/master/births",
   "page": "https://howrareismy.com/zodiac-sign"
  },
  {
   "id": "name-most-common-living",
   "topic": "First names",
   "claim": "Michael is the most common first name among living Americans: about 3.6 million people, estimated from Social Security birth records and survival rates.",
   "value": "Michael",
   "population": "Living Americans born in the U.S. (estimate)",
   "period": "born 1880–2025, living on July 1, 2026",
   "source": "Social Security Administration baby names and cohort life tables",
   "sourceUrl": "https://www.ssa.gov/oact/babynames/limits.html",
   "page": "https://howrareismy.com/most-common-names"
  },
  {
   "id": "name-most-common-woman",
   "topic": "First names",
   "claim": "Mary is the most common woman’s name among living Americans: about 1.7 million people.",
   "value": "Mary",
   "population": "Living Americans born in the U.S. (estimate)",
   "period": "born 1880–2025, living on July 1, 2026",
   "source": "Social Security Administration baby names and cohort life tables",
   "sourceUrl": "https://www.ssa.gov/oact/babynames/limits.html",
   "page": "https://howrareismy.com/most-common-names"
  },
  {
   "id": "name-most-given",
   "topic": "First names",
   "claim": "James has been given to more U.S. babies than any other name since 1880: 5,250,638 boys.",
   "value": "James",
   "population": "U.S. babies with a Social Security number",
   "period": "1880–2025",
   "source": "Social Security Administration baby names",
   "sourceUrl": "https://www.ssa.gov/oact/babynames/limits.html",
   "page": "https://howrareismy.com/most-common-names"
  },
  {
   "id": "name-top-girls",
   "topic": "First names",
   "claim": "Olivia was the most popular girls’ name in the United States in 2025: 13,544 girls.",
   "value": "Olivia",
   "population": "U.S. babies with a Social Security number",
   "period": "2025",
   "source": "Social Security Administration baby names",
   "sourceUrl": "https://www.ssa.gov/oact/babynames/limits.html",
   "page": "https://howrareismy.com/name"
  },
  {
   "id": "name-top-boys",
   "topic": "First names",
   "claim": "Liam was the most popular boys’ name in the United States in 2025: 20,818 boys.",
   "value": "Liam",
   "population": "U.S. babies with a Social Security number",
   "period": "2025",
   "source": "Social Security Administration baby names",
   "sourceUrl": "https://www.ssa.gov/oact/babynames/limits.html",
   "page": "https://howrareismy.com/name"
  },
  {
   "id": "name-rare-century-girl",
   "topic": "First names",
   "claim": "Flavia has been given to girls every year since 1926 but never to more than 30 in a year: 1,351 girls in all.",
   "value": "Flavia",
   "population": "U.S. babies with a Social Security number",
   "period": "1926–2025",
   "source": "Social Security Administration baby names",
   "sourceUrl": "https://www.ssa.gov/oact/babynames/limits.html",
   "page": "https://howrareismy.com/rare-names"
  },
  {
   "id": "name-rare-century-boy",
   "topic": "First names",
   "claim": "Basilio has been given to boys every year since 1926 but never to more than 28 in a year: 1,613 boys in all.",
   "value": "Basilio",
   "population": "U.S. babies with a Social Security number",
   "period": "1926–2025",
   "source": "Social Security Administration baby names",
   "sourceUrl": "https://www.ssa.gov/oact/babynames/limits.html",
   "page": "https://howrareismy.com/rare-names"
  },
  {
   "id": "surname-most-common",
   "topic": "Last names",
   "claim": "Smith is the most common last name in the United States: 2,442,977 people in the 2010 Census.",
   "value": "Smith",
   "population": "People with a surname recorded in the 2010 Census",
   "period": "2010",
   "source": "U.S. Census Bureau, 2010 surnames",
   "sourceUrl": "https://www.census.gov/topics/population/genealogy/data/2010_surnames.html",
   "page": "https://howrareismy.com/most-common-last-names"
  },
  {
   "id": "surname-top-10",
   "topic": "Last names",
   "claim": "The 10 most common last names cover 4.9% of people with a recorded surname in the 2010 Census.",
   "value": "4.9%",
   "population": "People with a surname recorded in the 2010 Census",
   "period": "2010",
   "source": "U.S. Census Bureau, 2010 surnames",
   "sourceUrl": "https://www.census.gov/topics/population/genealogy/data/2010_surnames.html",
   "page": "https://howrareismy.com/most-common-last-names"
  },
  {
   "id": "surname-published",
   "topic": "Last names",
   "claim": "The Census Bureau published 162,253 last names shared by at least 100 people in 2010; 1,279 of them were shared by exactly 100, the rarest it lists.",
   "value": "162,253",
   "population": "Surnames with at least 100 bearers in the 2010 Census",
   "period": "2010",
   "source": "U.S. Census Bureau, 2010 surnames",
   "sourceUrl": "https://www.census.gov/topics/population/genealogy/data/2010_surnames.html",
   "page": "https://howrareismy.com/rare-last-names"
  },
  {
   "id": "blood-rarest",
   "topic": "Blood types",
   "claim": "AB negative is the rarest of the eight main blood types in the United States: 0.6% of people, about 1 in 167.",
   "value": "AB negative",
   "population": "U.S. population estimates",
   "period": "Reference estimates; data year not stated",
   "source": "Stanford Blood Center · AABB Technical Manual, 18th edition",
   "sourceUrl": "https://stanfordbloodcenter.org/donate-blood/blood-donation-facts/blood-types/",
   "page": "https://howrareismy.com/rarest-blood-type"
  },
  {
   "id": "blood-next-rarest",
   "topic": "Blood types",
   "claim": "B negative is the second-rarest blood type in the United States: 1.5% of people.",
   "value": "B negative",
   "population": "U.S. population estimates",
   "period": "Reference estimates; data year not stated",
   "source": "Stanford Blood Center · AABB Technical Manual, 18th edition",
   "sourceUrl": "https://stanfordbloodcenter.org/donate-blood/blood-donation-facts/blood-types/",
   "page": "https://howrareismy.com/rarest-blood-type"
  },
  {
   "id": "blood-most-common",
   "topic": "Blood types",
   "claim": "O positive is the most common blood type in the United States: 37.4% of people.",
   "value": "O positive",
   "population": "U.S. population estimates",
   "period": "Reference estimates; data year not stated",
   "source": "Stanford Blood Center · AABB Technical Manual, 18th edition",
   "sourceUrl": "https://stanfordbloodcenter.org/donate-blood/blood-donation-facts/blood-types/",
   "page": "https://howrareismy.com/rarest-blood-type"
  },
  {
   "id": "blood-o-negative",
   "topic": "Blood types",
   "claim": "O negative, the type whose red cells suit every ABO and RhD type, is 6.6% of people in the United States.",
   "value": "6.6%",
   "population": "U.S. population estimates",
   "period": "Reference estimates; data year not stated",
   "source": "Stanford Blood Center · AABB Technical Manual, 18th edition",
   "sourceUrl": "https://stanfordbloodcenter.org/donate-blood/blood-donation-facts/blood-types/",
   "page": "https://howrareismy.com/rarest-blood-type"
  },
  {
   "id": "blood-receives-all",
   "topic": "Blood types",
   "claim": "AB positive can receive red cells from all eight main ABO and RhD blood types.",
   "value": "AB positive",
   "population": "The eight main ABO and RhD blood types",
   "period": "current reference table",
   "source": "Australian Red Cross Lifeblood, blood type compatibility",
   "sourceUrl": "https://www.lifeblood.com.au/donors/blood-plasma-platelets/learn/blood/blood-types",
   "page": "https://howrareismy.com/blood-type-compatibility"
  },
  {
   "id": "blood-receives-one",
   "topic": "Blood types",
   "claim": "O negative can receive red cells only from O negative.",
   "value": "O negative",
   "population": "The eight main ABO and RhD blood types",
   "period": "current reference table",
   "source": "Australian Red Cross Lifeblood, blood type compatibility",
   "sourceUrl": "https://www.lifeblood.com.au/donors/blood-plasma-platelets/learn/blood/blood-types",
   "page": "https://howrareismy.com/blood-type-compatibility"
  },
  {
   "id": "eye-rarest",
   "topic": "Eye colors",
   "claim": "Gray is the rarest eye color on U.S. driver’s licenses: 0.7% of 235 million licenses.",
   "value": "Gray",
   "population": "Active U.S. driver’s licenses · 31 states (235 million licenses)",
   "period": "2016 license records · published September 2025",
   "source": "Hashem, Menicacci & Granet · PLOS ONE (2025)",
   "sourceUrl": "https://doi.org/10.1371/journal.pone.0312913",
   "page": "https://howrareismy.com/rarest-eye-color"
  },
  {
   "id": "eye-most-common",
   "topic": "Eye colors",
   "claim": "Brown or black is the most common eye color on U.S. driver’s licenses: 53% of them.",
   "value": "Brown or black",
   "population": "Active U.S. driver’s licenses · 31 states (235 million licenses)",
   "period": "2016 license records · published September 2025",
   "source": "Hashem, Menicacci & Granet · PLOS ONE (2025)",
   "sourceUrl": "https://doi.org/10.1371/journal.pone.0312913",
   "page": "https://howrareismy.com/rarest-eye-color"
  },
  {
   "id": "eye-green",
   "topic": "Eye colors",
   "claim": "Green eyes are listed on 9% of U.S. driver’s licenses, blue on 23.7% and hazel on 10.3%.",
   "value": "9%",
   "population": "Active U.S. driver’s licenses · 31 states (235 million licenses)",
   "period": "2016 license records · published September 2025",
   "source": "Hashem, Menicacci & Granet · PLOS ONE (2025)",
   "sourceUrl": "https://doi.org/10.1371/journal.pone.0312913",
   "page": "https://howrareismy.com/rarest-eye-color"
  },
  {
   "id": "eye-heterochromia",
   "topic": "Eye colors",
   "claim": "Heterochromia, two different eye colors, appeared in 0.063% of 11,111 portraits of U.S. Military Academy cadets.",
   "value": "0.063%",
   "population": "Portraits of U.S. Military Academy cadets",
   "period": "11,111 portraits · published October 2021",
   "source": "Dabkowski, Case, Kloo & Pickett · Journal of Optometry (2022)",
   "sourceUrl": "https://doi.org/10.1016/j.optom.2021.08.002",
   "page": "https://howrareismy.com/rarest-eye-color"
  },
  {
   "id": "eye-amber",
   "topic": "Eye colors",
   "claim": "In a YouGov poll of 1,000 U.S. adults in May 2023, 4% said their eyes are amber.",
   "value": "4%",
   "population": "U.S. adult citizens · weighted online poll",
   "period": "YouGov, May 4–7, 2023 · 1,000 adults",
   "source": "YouGov · Eye Colors survey (May 2023)",
   "sourceUrl": "https://d3nkl3psvxxpe9.cloudfront.net/documents/Eye_Colors_poll_results.pdf",
   "page": "https://howrareismy.com/rarest-eye-color"
  },
  {
   "id": "height-average-man",
   "topic": "Height",
   "claim": "The average U.S. man age 20 and over is 175.1 cm (5 ft 8.9 in) tall.",
   "value": "175.1 cm",
   "population": "U.S. adults age 20 and over",
   "period": "NHANES August 2021–August 2023",
   "source": "CDC / NCHS, NHANES anthropometric reference data",
   "sourceUrl": "https://www.cdc.gov/nchs/data/series/sr_03/sr03-050.pdf",
   "page": "https://howrareismy.com/average-height"
  },
  {
   "id": "height-average-woman",
   "topic": "Height",
   "claim": "The average U.S. woman age 20 and over is 161.2 cm (5 ft 3.5 in) tall.",
   "value": "161.2 cm",
   "population": "U.S. adults age 20 and over",
   "period": "NHANES August 2021–August 2023",
   "source": "CDC / NCHS, NHANES anthropometric reference data",
   "sourceUrl": "https://www.cdc.gov/nchs/data/series/sr_03/sr03-050.pdf",
   "page": "https://howrareismy.com/average-height"
  },
  {
   "id": "height-six-feet",
   "topic": "Height",
   "claim": "About 15% of U.S. men age 20 and over are 6 feet (182.9 cm) or taller.",
   "value": "about 15%",
   "population": "U.S. adults age 20 and over",
   "period": "NHANES August 2021–August 2023",
   "source": "CDC / NCHS, NHANES anthropometric reference data",
   "sourceUrl": "https://www.cdc.gov/nchs/data/series/sr_03/sr03-050.pdf",
   "page": "https://howrareismy.com/average-height"
  },
  {
   "id": "weight-average-man",
   "topic": "Weight",
   "claim": "The average U.S. man age 20 and over weighs 199.0 lb (90.3 kg).",
   "value": "199.0 lb",
   "population": "U.S. adults age 20 and over",
   "period": "NHANES August 2021–August 2023",
   "source": "CDC / NCHS, NHANES anthropometric reference data",
   "sourceUrl": "https://stacks.cdc.gov/view/cdc/174595",
   "page": "https://howrareismy.com/average-weight"
  },
  {
   "id": "weight-average-woman",
   "topic": "Weight",
   "claim": "The average U.S. woman age 20 and over weighs 171.8 lb (77.9 kg), not counting pregnant women.",
   "value": "171.8 lb",
   "population": "U.S. adults age 20 and over",
   "period": "NHANES August 2021–August 2023",
   "source": "CDC / NCHS, NHANES anthropometric reference data",
   "sourceUrl": "https://stacks.cdc.gov/view/cdc/174595",
   "page": "https://howrareismy.com/average-weight"
  },
  {
   "id": "left-handed",
   "topic": "Handedness",
   "claim": "About 10.6% of people are left-handed, the best overall estimate from 200 studies of 2,396,170 people.",
   "value": "10.6%",
   "population": "2,396,170 people in 200 studies",
   "period": "meta-analysis published 2020",
   "source": "Papadatou-Pastou et al., Psychological Bulletin (2020)",
   "sourceUrl": "https://doi.org/10.1037/bul0000229",
   "page": "https://howrareismy.com/left-handed"
  },
  {
   "id": "ambidextrous",
   "topic": "Handedness",
   "claim": "About 2.3% of 1,641,059 people in UK Biobank and 23andMe said they were ambidextrous.",
   "value": "2.3%",
   "population": "1,641,059 people in UK Biobank and 23andMe",
   "period": "self-reported, published 2021",
   "source": "Cuellar-Partida et al., Nature Human Behaviour (2021)",
   "sourceUrl": "https://doi.org/10.1038/s41562-020-00956-y",
   "page": "https://howrareismy.com/left-handed"
  },
  {
   "id": "twins",
   "topic": "Twins",
   "claim": "About 1 in 33 U.S. babies born in 2024 was a twin: 109,195 babies.",
   "value": "1 in 33",
   "population": "U.S. births",
   "period": "2024",
   "source": "CDC / NCHS, Births: Final Data for 2024",
   "sourceUrl": "https://stacks.cdc.gov/view/cdc/252440",
   "page": "https://howrareismy.com/twins"
  },
  {
   "id": "triplets",
   "topic": "Twins",
   "claim": "About 1 in 1,485 U.S. babies born in 2024 was a triplet: 2,444 babies.",
   "value": "1 in 1,485",
   "population": "U.S. births",
   "period": "2024",
   "source": "CDC / NCHS, Births: Final Data for 2024",
   "sourceUrl": "https://stacks.cdc.gov/view/cdc/252440",
   "page": "https://howrareismy.com/twins"
  },
  {
   "id": "networth-median",
   "topic": "Net worth",
   "claim": "The median U.S. family had a net worth of $192,700 in 2022.",
   "value": "$192,700",
   "population": "U.S. families",
   "period": "2022",
   "source": "Federal Reserve Board, 2022 Survey of Consumer Finances",
   "sourceUrl": "https://www.federalreserve.gov/econres/scfindex.htm",
   "page": "https://howrareismy.com/net-worth-by-age"
  },
  {
   "id": "networth-millionaires",
   "topic": "Net worth",
   "claim": "18.0% of U.S. families had a net worth of $1 million or more in 2022.",
   "value": "18.0%",
   "population": "U.S. families",
   "period": "2022",
   "source": "Federal Reserve Board, 2022 Survey of Consumer Finances",
   "sourceUrl": "https://www.federalreserve.gov/econres/scfindex.htm",
   "page": "https://howrareismy.com/net-worth-by-age"
  },
  {
   "id": "networth-top-1",
   "topic": "Net worth",
   "claim": "A U.S. family needed about $13.6 million in net worth to be in the top 1% in 2022.",
   "value": "$13.6 million+",
   "population": "U.S. families",
   "period": "2022",
   "source": "Federal Reserve Board, 2022 Survey of Consumer Finances",
   "sourceUrl": "https://www.federalreserve.gov/econres/scfindex.htm",
   "page": "https://howrareismy.com/net-worth-by-age"
  },
  {
   "id": "income-household-median",
   "topic": "Income",
   "claim": "The median U.S. household income was $87,390 in 2025.",
   "value": "$87,390",
   "population": "U.S. households",
   "period": "income year 2025",
   "source": "U.S. Census Bureau, CPS ASEC 2026 public-use file",
   "sourceUrl": "https://www.census.gov/data/datasets/time-series/demo/cps/cps-asec.2026.html",
   "page": "https://howrareismy.com/income-percentile"
  },
  {
   "id": "income-household-top-1",
   "topic": "Income",
   "claim": "A U.S. household needed $704,570 of income in 2025 to be in the top 1%.",
   "value": "$704,570",
   "population": "U.S. households",
   "period": "income year 2025",
   "source": "U.S. Census Bureau, CPS ASEC 2026 public-use file",
   "sourceUrl": "https://www.census.gov/data/datasets/time-series/demo/cps/cps-asec.2026.html",
   "page": "https://howrareismy.com/income-percentile"
  },
  {
   "id": "income-person-median",
   "topic": "Income",
   "claim": "The median income of Americans with income was $46,950 in 2025.",
   "value": "$46,950",
   "population": "U.S. people with income",
   "period": "income year 2025",
   "source": "U.S. Census Bureau, CPS ASEC 2026 public-use file",
   "sourceUrl": "https://www.census.gov/data/datasets/time-series/demo/cps/cps-asec.2026.html",
   "page": "https://howrareismy.com/income-percentile"
  },
  {
   "id": "income-person-top-1",
   "topic": "Income",
   "claim": "A person needed $437,440 of income in 2025 to be in the top 1% of Americans with income.",
   "value": "$437,440",
   "population": "U.S. people with income",
   "period": "income year 2025",
   "source": "U.S. Census Bureau, CPS ASEC 2026 public-use file",
   "sourceUrl": "https://www.census.gov/data/datasets/time-series/demo/cps/cps-asec.2026.html",
   "page": "https://howrareismy.com/income-percentile"
  },
  {
   "id": "income-fulltime-median",
   "topic": "Income",
   "claim": "The median income of full-time, year-round U.S. workers was $70,970 in 2025.",
   "value": "$70,970",
   "population": "U.S. full-time, year-round workers",
   "period": "income year 2025",
   "source": "U.S. Census Bureau, CPS ASEC 2026 public-use file",
   "sourceUrl": "https://www.census.gov/data/datasets/time-series/demo/cps/cps-asec.2026.html",
   "page": "https://howrareismy.com/income-percentile"
  },
  {
   "id": "type-example",
   "topic": "Your type",
   "claim": "About 1 in 100 U.S. men age 18 and over is aged 25 to 34, single, with a bachelor’s degree or more and $100,000 or more in personal income: about 1.3 million men.",
   "value": "1 in 100",
   "population": "U.S. men age 18 and over",
   "period": "March 2026 survey; income year 2025",
   "source": "U.S. Census Bureau, CPS ASEC 2026 public-use file",
   "sourceUrl": "https://www.census.gov/data/datasets/time-series/demo/cps/cps-asec.2026.html",
   "page": "https://howrareismy.com/type"
  },
  {
   "id": "job-most-common",
   "topic": "Jobs",
   "claim": "The most common occupation in the United States is home health and personal care aides: 4,305,810 workers in May 2025, 1 in 36 jobs.",
   "value": "Home health and personal care aides",
   "population": "155,495,730 U.S. jobs",
   "period": "May 2025",
   "source": "U.S. Bureau of Labor Statistics, OEWS",
   "sourceUrl": "https://www.bls.gov/oes/tables.htm",
   "page": "https://howrareismy.com/most-common-jobs"
  },
  {
   "id": "job-rarest-listed",
   "topic": "Jobs",
   "claim": "The rarest single occupation the Bureau of Labor Statistics lists is patternmakers, wood: about 220 workers in May 2025.",
   "value": "Patternmakers, wood",
   "population": "155,495,730 U.S. jobs",
   "period": "May 2025",
   "source": "U.S. Bureau of Labor Statistics, OEWS",
   "sourceUrl": "https://www.bls.gov/oes/tables.htm",
   "page": "https://howrareismy.com/most-common-jobs"
  },
  {
   "id": "language-english-only",
   "topic": "Languages",
   "claim": "78.3% of U.S. residents age 5 and over speak only English at home.",
   "value": "78.3%",
   "population": "310,300,000 U.S. residents age 5 and over",
   "period": "2017–2021",
   "source": "U.S. Census Bureau, ACS 2017–2021 language tables",
   "sourceUrl": "https://www.census.gov/data/tables/time-series/demo/language-use/2017-2021-lang-tables.html",
   "page": "https://howrareismy.com/most-common-languages-in-the-us"
  },
  {
   "id": "language-spanish",
   "topic": "Languages",
   "claim": "Spanish is the most common language at home after English: 41.2 million U.S. residents age 5 and over, 13.3%.",
   "value": "41.2 million",
   "population": "310,300,000 U.S. residents age 5 and over",
   "period": "2017–2021",
   "source": "U.S. Census Bureau, ACS 2017–2021 language tables",
   "sourceUrl": "https://www.census.gov/data/tables/time-series/demo/language-use/2017-2021-lang-tables.html",
   "page": "https://howrareismy.com/most-common-languages-in-the-us"
  },
  {
   "id": "language-chinese",
   "topic": "Languages",
   "claim": "Chinese, counting Mandarin and Cantonese, is spoken at home by 3.5 million U.S. residents age 5 and over.",
   "value": "3.5 million",
   "population": "310,300,000 U.S. residents age 5 and over",
   "period": "2017–2021",
   "source": "U.S. Census Bureau, ACS 2017–2021 language tables",
   "sourceUrl": "https://www.census.gov/data/tables/time-series/demo/language-use/2017-2021-lang-tables.html",
   "page": "https://howrareismy.com/most-common-languages-in-the-us"
  },
  {
   "id": "language-state-most",
   "topic": "Languages",
   "claim": "California has the largest share of residents who speak a language other than English at home: 43.8% of 37,110,000 residents age 5 and over.",
   "value": "California",
   "population": "Residents age 5 and over in each state and D.C.",
   "period": "2017–2021",
   "source": "U.S. Census Bureau, ACS 2017–2021 state language tables",
   "sourceUrl": "https://www.census.gov/data/tables/time-series/demo/language-use/2017-2021-lang-tables.html",
   "page": "https://howrareismy.com/languages-by-state"
  },
  {
   "id": "language-state-least",
   "topic": "Languages",
   "claim": "West Virginia has the smallest share of residents who speak a language other than English at home: 2.5%.",
   "value": "West Virginia",
   "population": "Residents age 5 and over in each state and D.C.",
   "period": "2017–2021",
   "source": "U.S. Census Bureau, ACS 2017–2021 state language tables",
   "sourceUrl": "https://www.census.gov/data/tables/time-series/demo/language-use/2017-2021-lang-tables.html",
   "page": "https://howrareismy.com/languages-by-state"
  },
  {
   "id": "penny-rarest",
   "topic": "Coins",
   "claim": "The 1909-S VDB has the lowest mintage of any Lincoln cent made for circulation: 484,000.",
   "value": "1909-S VDB",
   "population": "Lincoln cents made for circulation",
   "period": "1909–2025",
   "source": "Bureau of the Mint; United States Mint",
   "sourceUrl": "https://fraser.stlouisfed.org/title/domestic-foreign-coins-manufactured-mints-united-states-1792-1965-6280",
   "page": "https://howrareismy.com/rarest-penny"
  },
  {
   "id": "penny-steel",
   "topic": "Coins",
   "claim": "The Mint made 1,093,838,670 zinc-coated steel cents in 1943.",
   "value": "1,093,838,670",
   "population": "Lincoln cents made for circulation",
   "period": "1909–2025",
   "source": "Bureau of the Mint; United States Mint",
   "sourceUrl": "https://fraser.stlouisfed.org/title/domestic-foreign-coins-manufactured-mints-united-states-1792-1965-6280",
   "page": "https://howrareismy.com/rarest-penny"
  },
  {
   "id": "penny-total",
   "topic": "Coins",
   "claim": "The Mint made about 560 billion Lincoln cents for circulation from 1909 to 2025, when the last were struck.",
   "value": "about 560 billion",
   "population": "Lincoln cents made for circulation",
   "period": "1909–2025",
   "source": "Bureau of the Mint; United States Mint",
   "sourceUrl": "https://fraser.stlouisfed.org/title/domestic-foreign-coins-manufactured-mints-united-states-1792-1965-6280",
   "page": "https://howrareismy.com/rarest-penny"
  },
  {
   "id": "penny-cost",
   "topic": "Coins",
   "claim": "A penny cost 3.02 cents to make in the Mint’s 2025 fiscal year.",
   "value": "3.02¢",
   "population": "U.S. Mint production costs",
   "period": "fiscal 2025",
   "source": "U.S. Mint, 2025 annual report",
   "sourceUrl": "https://www.usmint.gov/content/dam/usmint/reports/2025-annual-report.pdf",
   "page": "https://howrareismy.com/rarest-penny"
  },
  {
   "id": "quarter-cost",
   "topic": "Coins",
   "claim": "A quarter cost 14.53 cents to make in the Mint’s 2025 fiscal year.",
   "value": "14.53¢",
   "population": "U.S. Mint production costs",
   "period": "fiscal 2025",
   "source": "U.S. Mint, 2025 annual report",
   "sourceUrl": "https://www.usmint.gov/content/dam/usmint/reports/2025-annual-report.pdf",
   "page": "https://howrareismy.com/rarest-penny"
  },
  {
   "id": "quarter-rarest",
   "topic": "Coins",
   "claim": "The 1932-S has the lowest mintage of any Washington quarter made for circulation: 408,000.",
   "value": "1932-S",
   "population": "Washington quarters made for circulation",
   "period": "1932–2025",
   "source": "Bureau of the Mint; United States Mint",
   "sourceUrl": "https://fraser.stlouisfed.org/title/domestic-foreign-coins-manufactured-mints-united-states-1792-1965-6280",
   "page": "https://howrareismy.com/rarest-quarters"
  },
  {
   "id": "quarter-2019-w",
   "topic": "Coins",
   "claim": "The 2019-W quarters, the first with a W mint mark, are the scarcest since 1965: 2,000,000 of each of the five designs.",
   "value": "2,000,000",
   "population": "Washington quarters made for circulation",
   "period": "1932–2025",
   "source": "Bureau of the Mint; United States Mint",
   "sourceUrl": "https://fraser.stlouisfed.org/title/domestic-foreign-coins-manufactured-mints-united-states-1792-1965-6280",
   "page": "https://howrareismy.com/rarest-quarters"
  },
  {
   "id": "quarter-bicentennial",
   "topic": "Coins",
   "claim": "The Mint made 1,669,902,839 Bicentennial quarters, dated 1776–1976, for circulation.",
   "value": "1,669,902,839",
   "population": "Washington quarters made for circulation",
   "period": "1932–2025",
   "source": "Bureau of the Mint; United States Mint",
   "sourceUrl": "https://fraser.stlouisfed.org/title/domestic-foreign-coins-manufactured-mints-united-states-1792-1965-6280",
   "page": "https://howrareismy.com/rarest-quarters"
  },
  {
   "id": "car-uk-most-common",
   "topic": "Cars",
   "claim": "The Ford Fiesta is the most common car model group in UK licensing records: 1,259,187 licensed on 30 June 2026, 3.61% of licensed cars.",
   "value": "Ford Fiesta",
   "population": "34,888,140 licensed UK cars",
   "period": "30 June 2026",
   "source": "Department for Transport / DVLA, VEH0120",
   "sourceUrl": "https://www.gov.uk/government/statistical-data-sets/vehicle-licensing-statistics-data-files",
   "page": "https://howrareismy.com/car"
  },
  {
   "id": "car-washington-plug-in",
   "topic": "Cars",
   "claim": "The Tesla Model Y is the most common plug-in vehicle registered in Washington State: 66,545 of 299,705, about 1 in 5.",
   "value": "Tesla Model Y",
   "population": "299,705 plug-in vehicles registered in Washington",
   "period": "31 August 2026",
   "source": "Washington State Department of Licensing",
   "sourceUrl": "https://data.wa.gov/Transportation/Electric-Vehicle-Population-Data/f6w7-q2d2",
   "page": "https://howrareismy.com/car"
  },
  {
   "id": "dog-most-common",
   "topic": "Dog names",
   "claim": "Luna is the most common dog name in New York City’s dog-license records: 1,177 of 96,459 license-period records in the 2026 extract.",
   "value": "Luna",
   "population": "96,459 license-period records",
   "period": "2026 extract",
   "source": "NYC Department of Health, NYC Dog Licensing Dataset",
   "sourceUrl": "https://data.cityofnewyork.us/Health/NYC-Dog-Licensing-Dataset/nu7n-tubp",
   "page": "https://howrareismy.com/dog-name-generator"
  }
 ],
 "datasets": [
  {
   "page": "https://howrareismy.com/birthday",
   "name": "U.S. birthday ranks, 2000–2014",
   "description": "All 366 calendar dates ranked by recorded U.S. births, 2000–2014: total births, occurrences (leap day occurs four times), births per occurrence, rank and the 62,187,024-birth denominator. Derived from Social Security Administration counts compiled by FiveThirtyEight (CC BY 4.0).",
   "file": "https://howrareismy.com/downloads/birthday-ranks-ssa-2000-2014.csv",
   "source": "SSA via FiveThirtyEight",
   "sourceUrl": "https://github.com/fivethirtyeight/data/tree/master/births",
   "period": "2000–2014"
  },
  {
   "page": "https://howrareismy.com/zodiac-sign",
   "name": "Zodiac signs by U.S. births, 2000–2014",
   "description": "The twelve sun signs ranked by U.S. births, 2000–2014: births, share, days counted, births per day and rank by each. Each date counts toward the sign the Sun occupied at noon U.S. Central Time that year. Births: SSA via FiveThirtyEight (CC BY 4.0).",
   "file": "https://howrareismy.com/downloads/zodiac-signs-us-births-2000-2014.csv",
   "source": "SSA via FiveThirtyEight",
   "sourceUrl": "https://github.com/fivethirtyeight/data/tree/master/births",
   "period": "2000–2014"
  },
  {
   "page": "https://howrareismy.com/blood-type",
   "name": "Blood type frequencies, United States reference estimates",
   "description": "Percent of people with each of the eight ABO and RhD blood types in U.S. reference estimates published by Stanford Blood Center from the AABB Technical Manual, 18th edition. The source does not state an observation year or sample size.",
   "file": "https://howrareismy.com/downloads/blood-us-frequency-data.csv",
   "source": "Stanford Blood Center · AABB Technical Manual, 18th edition",
   "sourceUrl": "https://stanfordbloodcenter.org/donate-blood/blood-donation-facts/blood-types/",
   "period": ""
  },
  {
   "page": "https://howrareismy.com/blood-type",
   "name": "Blood type frequencies, Australia",
   "description": "Percent of people with each of the eight ABO and RhD blood types in Australia, from Australian Red Cross Lifeblood estimates based on 2019 patient pathology results. Published whole percentages are kept as published, without rescaling.",
   "file": "https://howrareismy.com/downloads/blood-au-frequency-data.csv",
   "source": "Australian Red Cross Lifeblood",
   "sourceUrl": "https://www.lifeblood.com.au/donors/blood-plasma-platelets/learn/blood/blood-types",
   "period": "2019"
  },
  {
   "page": "https://howrareismy.com/blood-type",
   "name": "Blood type shares among NHS Blood Donation donors",
   "description": "Share of NHS Blood Donation donors with each of the eight ABO and RhD blood types, as published in February 2026 and rounded to whole percentages. These are donor shares, not estimates for the UK population.",
   "file": "https://howrareismy.com/downloads/blood-nhs-frequency-data.csv",
   "source": "NHS Blood Donation",
   "sourceUrl": "https://www.blood.co.uk/why-give-blood/blood-types/",
   "period": "2026-02"
  },
  {
   "page": "https://howrareismy.com/eye-color",
   "name": "U.S. eye colors on driver’s licenses, 31 states (2016)",
   "description": "Share of 235,423,085 active U.S. driver’s licenses in 31 states recording brown or black, blue, hazel, green, gray or other and unknown eye colors (2016 records), as published by Hashem, Menicacci and Granet in PLOS ONE in September 2025 (CC BY 4.0).",
   "file": "https://howrareismy.com/downloads/eye-dmv-frequency-data.csv",
   "source": "Hashem, Menicacci & Granet · PLOS ONE (2025)",
   "sourceUrl": "https://doi.org/10.1371/journal.pone.0312913",
   "period": "2016"
  },
  {
   "page": "https://howrareismy.com/eye-color",
   "name": "U.S. eye colors, YouGov poll (May 2023)",
   "description": "Self-reported natural eye color of 1,000 U.S. adult citizens in a weighted YouGov poll, May 4–7, 2023: brown, blue, hazel, green, gray and amber, the only U.S. figure found for amber eyes.",
   "file": "https://howrareismy.com/downloads/eye-yougov-frequency-data.csv",
   "source": "YouGov · Eye Colors survey (May 2023)",
   "sourceUrl": "https://d3nkl3psvxxpe9.cloudfront.net/documents/Eye_Colors_poll_results.pdf",
   "period": "2023-05"
  },
  {
   "page": "https://howrareismy.com/eye-color",
   "name": "U.S. eye color frequencies, 2014 survey",
   "description": "Self-reported eye colors (brown, blue, hazel, green and other colors combined) from a weighted 2014 Harris Poll of more than 2,000 people in the U.S. for the American Academy of Ophthalmology.",
   "file": "https://howrareismy.com/downloads/eye-us-frequency-data.csv",
   "source": "American Academy of Ophthalmology · 2014 Harris Poll",
   "sourceUrl": "https://www.aao.org/eye-health/tips-prevention/your-blue-eyes-arent-really-blue",
   "period": "2014"
  },
  {
   "page": "https://howrareismy.com/height",
   "name": "U.S. adult height percentiles, NHANES August 2021–August 2023",
   "description": "Measured height of U.S. adults age 20 and over by sex and age group: sample size, mean with standard error and the 5th to 95th percentiles in centimeters, from CDC/NCHS NHANES August 2021–August 2023 (Table 7). Public domain source.",
   "file": "https://howrareismy.com/downloads/adult-height-percentiles-nhanes-2021-2023.csv",
   "source": "CDC/NCHS, NHANES",
   "sourceUrl": "https://www.cdc.gov/nchs/data/series/sr_03/sr03-050.pdf",
   "period": "2021-08–2023-08"
  },
  {
   "page": "https://howrareismy.com/type",
   "name": "How rare is my type: worked examples, CPS ASEC 2026",
   "description": "Estimated U.S. men and women aged 18 and over who match example combinations of age, relationship status, education and personal income, with standard errors, 90% margins and respondent counts. Our tabulation of the U.S. Census Bureau’s 2026 CPS ASEC public-use microdata (March 2026; income in 2025).",
   "file": "https://howrareismy.com/downloads/how-rare-is-my-type-examples-cps-asec-2026.csv",
   "source": "U.S. Census Bureau, CPS ASEC 2026",
   "sourceUrl": "https://www.census.gov/data/datasets/time-series/demo/cps/cps-asec.2026.html",
   "period": "2026"
  },
  {
   "page": "https://howrareismy.com/income-percentile",
   "name": "U.S. income percentiles by age, 2025: households, people with income and full-time workers",
   "description": "Income at percentiles 1 to 99 for U.S. households by age of householder, people 15 and over with income and full-time, year-round workers by age, with standard errors and the number of survey respondents above each cutoff. Our tabulation of the U.S. Census Bureau’s 2026 CPS ASEC public-use file (income in 2025), checked against the published HINC-02 and PINC-01 tables.",
   "file": "https://howrareismy.com/downloads/us-income-percentiles-by-age-2025.csv",
   "source": "U.S. Census Bureau, CPS ASEC 2026",
   "sourceUrl": "https://www.census.gov/data/datasets/2026/demo/cps/cps-asec-2026.html",
   "period": "2025"
  },
  {
   "page": "https://howrareismy.com/income-percentile",
   "name": "U.S. household income by age of householder, 2025",
   "description": "Estimated U.S. households in each published income band by age of householder, with group totals, shares and median income with its standard error. Income in 2025 from the U.S. Census Bureau’s 2026 CPS ASEC table HINC-02.",
   "file": "https://howrareismy.com/downloads/us-household-income-by-age-2025.csv",
   "source": "U.S. Census Bureau, CPS ASEC 2026, HINC-02",
   "sourceUrl": "https://www.census.gov/data/tables/2026/demo/cps/hinc-02.html",
   "period": "2025"
  },
  {
   "page": "https://howrareismy.com/language",
   "name": "Languages spoken at home in the U.S., ACS 2017–2021",
   "description": "Languages and language groups the Census Bureau publishes for people age 5 and over who speak them at home, with 90% margins of error and the group hierarchy, from the American Community Survey 2017–2021 detailed language tables.",
   "file": "https://howrareismy.com/downloads/languages-at-home-acs-2017-2021.csv",
   "source": "U.S. Census Bureau, ACS 2017–2021",
   "sourceUrl": "https://www.census.gov/data/tables/time-series/demo/language-use/2017-2021-lang-tables.html",
   "period": "2017–2021"
  },
  {
   "page": "https://howrareismy.com/languages-by-state",
   "name": "Languages spoken at home by state, ACS 2017–2021",
   "description": "Published non-English languages spoken at home for each state and the District of Columbia, with 90% margins, the state population age 5 and over and each language’s rank, from the Census Bureau’s American Community Survey 2017–2021 state table.",
   "file": "https://howrareismy.com/downloads/languages-by-state-acs-2017-2021.csv",
   "source": "U.S. Census Bureau, ACS 2017–2021",
   "sourceUrl": "https://www.census.gov/data/tables/time-series/demo/language-use/2017-2021-lang-tables.html",
   "period": "2017–2021"
  },
  {
   "page": "https://howrareismy.com/most-common-languages-in-the-us",
   "name": "Most common languages in the U.S., ACS 2017–2021",
   "description": "Languages spoken at home by people age 5 and over in the United States, ordered by point estimate with 90% margins of error, from the Census Bureau’s American Community Survey 2017–2021 national table. A language the Census groups with its varieties under its own name (Chinese with Mandarin and Yue, Tagalog with Filipino) counts once as that group; every other row is the most detailed published category, and no row contains another.",
   "file": "https://howrareismy.com/downloads/most-common-us-languages-varieties-combined-acs-2017-2021.csv",
   "source": "U.S. Census Bureau, ACS 2017–2021",
   "sourceUrl": "https://www.census.gov/data/tables/time-series/demo/language-use/2017-2021-lang-tables.html",
   "period": "2017–2021"
  },
  {
   "page": "https://howrareismy.com/most-common-languages-in-the-us",
   "name": "Detailed language categories spoken at home in the U.S., ACS 2017–2021",
   "description": "Every detailed (terminal) non-English language category spoken at home by people age 5 and over in the United States, ordered by point estimate with 90% margins of error, from the Census Bureau’s American Community Survey 2017–2021 national table. No broader group appears beside its own categories.",
   "file": "https://howrareismy.com/downloads/common-us-languages-acs-2017-2021.csv",
   "source": "U.S. Census Bureau, ACS 2017–2021",
   "sourceUrl": "https://www.census.gov/data/tables/time-series/demo/language-use/2017-2021-lang-tables.html",
   "period": "2017–2021"
  },
  {
   "page": "https://howrareismy.com/car",
   "name": "Licensed cars by make and model, UK, 2026 Q2",
   "description": "Licensed and SORN cars by make and model group in the UK at the end of 2026 Q2, with the all-UK licensed-car total, from the Department for Transport’s vehicle licensing statistics (VEH0120), published under the Open Government Licence v3.0.",
   "file": "https://howrareismy.com/downloads/uk-car-models-2026-q2.csv",
   "source": "Department for Transport, VEH0120",
   "sourceUrl": "https://www.gov.uk/government/statistical-data-sets/vehicle-licensing-statistics-data-files",
   "period": "2026-06"
  },
  {
   "page": "https://howrareismy.com/car",
   "name": "Plug-in vehicles registered in Washington, August 2026",
   "description": "Electric and plug-in hybrid vehicles registered in Washington by make, model, model year and powertrain as of August 31, 2026, from the Washington Department of Licensing’s Electric Vehicle Population Data (Open Database License 1.0).",
   "file": "https://howrareismy.com/downloads/washington-plug-in-vehicles-2026-08.csv",
   "source": "Washington State Department of Licensing",
   "sourceUrl": "https://data.wa.gov/Transportation/Electric-Vehicle-Population-Data/f6w7-q2d2",
   "period": "2026-08-31"
  },
  {
   "page": "https://howrareismy.com/dog-name-generator",
   "name": "NYC dog names in licensing records, 2026 extract",
   "description": "Dog names in the New York City Department of Health and Mental Hygiene’s dog licensing records (2026 extract, 96,459 license-period records), with female and male record counts. Renewals can repeat the same dog, so counts are records, not unique dogs.",
   "file": "https://howrareismy.com/downloads/nyc-dog-names-2026-extract.csv",
   "source": "NYC DOHMH, NYC Dog Licensing Dataset",
   "sourceUrl": "https://data.cityofnewyork.us/Health/NYC-Dog-Licensing-Dataset/nu7n-tubp",
   "period": ""
  },
  {
   "page": "https://howrareismy.com/rarest-blood-type",
   "name": "The eight main blood types ranked, three references",
   "description": "The eight ABO and RhD blood types ranked from rarest to most common, with shares in U.S. reference estimates (Stanford Blood Center / AABB), Australian estimates (Lifeblood, 2019 pathology) and NHS donors (February 2026), plus the red-cell donor and recipient groups for each type from the Lifeblood table.",
   "file": "https://howrareismy.com/downloads/blood-types-ranked-three-references.csv",
   "source": "Stanford Blood Center / AABB; Australian Red Cross Lifeblood; NHS Blood Donation",
   "sourceUrl": "https://stanfordbloodcenter.org/donate-blood/blood-donation-facts/blood-types/",
   "period": ""
  },
  {
   "page": "https://howrareismy.com/rarest-eye-color",
   "name": "U.S. eye colors ranked, three references",
   "description": "Eye colors ranked by rarity in three U.S. references, side by side and never averaged: 235,423,085 driver’s licenses in 31 states (PLOS ONE 2025), a YouGov poll of 1,000 adults (May 2023) and a 2014 Harris Poll, with complete heterochromia from a study of 11,111 portraits.",
   "file": "https://howrareismy.com/downloads/eye-colors-ranked-three-references.csv",
   "source": "Hashem, Menicacci & Granet · PLOS ONE (2025); YouGov (2023); AAO / Harris Poll (2014)",
   "sourceUrl": "https://doi.org/10.1371/journal.pone.0312913",
   "period": "2014–2023"
  },
  {
   "page": "https://howrareismy.com/most-common-last-names",
   "name": "Most common U.S. surnames, top 1,000 (2010 Census)",
   "description": "The 1,000 most common surnames in the 2010 U.S. Census with the number of people reporting each, their rank and the rate per 100,000 of the 294,979,229 people with a recorded surname.",
   "file": "https://howrareismy.com/downloads/most-common-surnames-2010-census-top-1000.csv",
   "source": "U.S. Census Bureau, 2010 surnames",
   "sourceUrl": "https://www.census.gov/topics/population/genealogy/data/2010_surnames.html",
   "period": "2010"
  },
  {
   "page": "https://howrareismy.com/rare-last-names",
   "name": "Rarest published U.S. surnames (2010 Census)",
   "description": "The rarest surnames published from the 2010 U.S. Census: 1,279 names reported by exactly 100 people, the publication threshold, and 10,523 names reported by 101 to 109 people, with counts and ranks.",
   "file": "https://howrareismy.com/downloads/rarest-surnames-2010-census.csv",
   "source": "U.S. Census Bureau, 2010 surnames",
   "sourceUrl": "https://www.census.gov/topics/population/genealogy/data/2010_surnames.html",
   "period": "2010"
  },
  {
   "page": "https://howrareismy.com/most-common-birth-month",
   "name": "U.S. births by month, 2000–2014",
   "description": "Births in each calendar month in the United States from 2000 to 2014 (62,187,024 births), with the days each month had, births per day and the rank of each month per day and in total. SSA counts compiled by FiveThirtyEight (CC BY 4.0).",
   "file": "https://howrareismy.com/downloads/birth-months-ssa-2000-2014.csv",
   "source": "SSA via FiveThirtyEight",
   "sourceUrl": "https://github.com/fivethirtyeight/data/tree/master/births",
   "period": "2000–2014"
  },
  {
   "page": "https://howrareismy.com/most-common-birth-month",
   "name": "U.S. births in 2024 by month, day of the week and hour",
   "description": "Births to U.S. residents in 2024 (3,628,934) by month, day of the week and hour of birth, with births per day and the share delivered by cesarean, tabulated from the NCHS natality public-use file. The total and the delivery methods match Births: Final Data for 2024 (NVSR 75(2)). Public domain.",
   "file": "https://howrareismy.com/downloads/us-births-2024-month-weekday-hour.csv",
   "source": "CDC / NCHS, National Vital Statistics System, 2024 natality public-use file",
   "sourceUrl": "https://www.cdc.gov/nchs/data_access/vitalstatsonline.htm",
   "period": "2024"
  },
  {
   "page": "https://howrareismy.com/left-handed",
   "name": "Left-handedness estimates from a meta-analysis of 200 studies",
   "description": "Random-effects estimates of left-, mixed- and non-right-handedness with 95% confidence intervals from Papadatou-Pastou et al. (Psychological Bulletin, 2020), 200 studies and 2,396,170 people, for everyone, men and women, by ancestry, publication years, measure and elite athletes, plus self-reported right-handed, left-handed and ambidextrous counts in UK Biobank and 23andMe from Cuellar-Partida et al. (Nature Human Behaviour, 2021).",
   "file": "https://howrareismy.com/downloads/left-handedness-estimates-2020-meta-analysis.csv",
   "source": "Papadatou-Pastou et al., Psychological Bulletin (2020); Cuellar-Partida et al., Nature Human Behaviour (2021)",
   "sourceUrl": "https://doi.org/10.1037/bul0000229",
   "period": ""
  },
  {
   "page": "https://howrareismy.com/twins",
   "name": "U.S. twins, triplets and higher-order births, 2010–2024",
   "description": "Live births by plurality in the United States: twins, triplets, quadruplets and quintuplets or more in 2024 with the share born preterm, twin and triplet-or-more rates for every year 2010–2024, twin rates by the mother’s age (2014 and 2024) and by race and Hispanic origin (2024), from CDC / NCHS, plus twin deliveries per 1,000 deliveries by world region (1980–1985 and 2010–2015) from Monden, Pison and Smits (2021).",
   "file": "https://howrareismy.com/downloads/twins-triplets-us-births-2010-2024.csv",
   "source": "CDC / NCHS, Births: Final Data for 2024 and Health E-Stat 117; Monden, Pison & Smits, Human Reproduction (2021)",
   "sourceUrl": "https://stacks.cdc.gov/view/cdc/252440",
   "period": "2010–2024"
  },
  {
   "page": "https://howrareismy.com/average-weight",
   "name": "U.S. adult weight percentiles by sex and age, NHANES 2021–2023",
   "description": "Measured weight of U.S. adults age 20 and older by sex and age group (August 2021–August 2023): examined sample sizes, means with standard errors and the 5th to 95th percentiles in kilograms and pounds, from the CDC / NCHS Anthropometric Reference Data report (Vital and Health Statistics Series 3, No. 50, Tables 3 and 4). Pregnant women are excluded.",
   "file": "https://howrareismy.com/downloads/adult-weight-percentiles-nhanes-2021-2023.csv",
   "source": "CDC/NCHS, NHANES",
   "sourceUrl": "https://stacks.cdc.gov/view/cdc/174595",
   "period": "2021-08–2023-08"
  },
  {
   "page": "https://howrareismy.com/net-worth-by-age",
   "name": "U.S. family net worth percentiles by age, 2022 Survey of Consumer Finances",
   "description": "Family net worth by age of the reference person in 2022 dollars: families represented, median and mean (the Federal Reserve Board’s public-data Table 4), the 1st to 99th percentiles, the shares below zero and at $1 million and $10 million or more, computed from the Board’s 2022 SCF public extract, and median net worth by age in every survey from 1989 to 2022.",
   "file": "https://howrareismy.com/downloads/net-worth-percentiles-by-age-scf-2022.csv",
   "source": "Federal Reserve Board, 2022 Survey of Consumer Finances",
   "sourceUrl": "https://www.federalreserve.gov/econres/scfindex.htm",
   "period": "2022"
  },
  {
   "page": "https://howrareismy.com/most-common-jobs",
   "name": "U.S. employment and wages by occupation, May 2025",
   "description": "Wage and salary employment for all 830 detailed occupations in the United States in May 2025, with the employment estimate’s relative standard error, one-in-N share of all jobs, annual wage percentiles (10th, 25th, median, 75th, 90th) and mean, from the Bureau of Labor Statistics’ Occupational Employment and Wage Statistics national estimates. Excludes the self-employed.",
   "file": "https://howrareismy.com/downloads/occupations-employment-wages-may-2025.csv",
   "source": "U.S. Bureau of Labor Statistics, OEWS",
   "sourceUrl": "https://www.bls.gov/oes/tables.htm",
   "period": "2025-05"
  },
  {
   "page": "https://howrareismy.com/most-common-names",
   "name": "Most common U.S. first names: living estimates, all-time and by decade",
   "description": "The 30 most common first names for men and women among living Americans in 2026 (a model: SSA births by name, sex and year times SSA 2026 Trustees cohort survival), the 30 most common boys’ and girls’ names given since 1880 (exact SSA counts), and the top five names of every decade from the 1880s to the 2020s.",
   "file": "https://howrareismy.com/downloads/most-common-first-names-ssa-1880-2025.csv",
   "source": "Social Security Administration baby-name records and cohort life tables",
   "sourceUrl": "https://www.ssa.gov/oact/babynames/limits.html",
   "period": "1880–2025"
  },
  {
   "page": "https://howrareismy.com/rare-names",
   "name": "Rare U.S. first names: a century of steady rarity and once-popular names",
   "description": "Girls’ and boys’ names given to at least five babies of their sex in every year from 1926 to 2025 but never to more than 50 in a year, with each name’s largest year and total, and names that ranked in their sex’s top 100 in some year but went to fewer than 100 babies in 2025, with the peak rank and year. Exact counts from the Social Security Administration’s national baby-name files, 1880–2025.",
   "file": "https://howrareismy.com/downloads/rare-first-names-ssa-1926-2025.csv",
   "source": "Social Security Administration baby-name records",
   "sourceUrl": "https://www.ssa.gov/oact/babynames/limits.html",
   "period": "1880–2025"
  },
  {
   "page": "https://howrareismy.com/rarest-penny",
   "name": "Lincoln cent mintages by date and mint mark, 1909–2025, with the source of each figure",
   "description": "Lincoln cents struck for circulation by year, mint mark and design, ranked from the lowest mintage, with the metal in each coin. Figures for 1909–1965 are read from the Bureau of the Mint’s record of coins manufactured, 1792–1965; 1966–1980 from the Director of the Mint’s annual reports and the Mint’s 1981 record of coins made, 1793–1980; 1999–2025 from the U.S. Mint’s annual production reports and year-end figures. No figure is given for the San Francisco cents of 1972–1974 or for 1981–1998, which no Mint document we have checked settles; each row names its source.",
   "file": "https://howrareismy.com/downloads/lincoln-cent-mintages-1909-2025.csv",
   "source": "Bureau of the Mint; United States Mint",
   "sourceUrl": "https://fraser.stlouisfed.org/title/domestic-foreign-coins-manufactured-mints-united-states-1792-1965-6280",
   "period": "1909–2025"
  },
  {
   "page": "https://howrareismy.com/rarest-quarters",
   "name": "Washington quarter mintages by date, mint mark and design, 1932–2025, with the source of each figure",
   "description": "Washington quarters struck for circulation by year, mint mark and design, ranked from the lowest mintage, with the metal in each coin. Figures for 1932–1965 are read from the Bureau of the Mint’s record of coins manufactured, 1792–1965; 1966–1980 from the Director of the Mint’s annual reports and the Mint’s 1981 record of coins made, 1793–1980; 1999–2025 from the U.S. Mint’s production figures for each design, its year-end figures and its annual report. No figure is given for 1981–1998 or the 2020-W quarters, which are not checked date by date against a Mint document; each row names its source.",
   "file": "https://howrareismy.com/downloads/washington-quarter-mintages-1932-2025.csv",
   "source": "Bureau of the Mint; United States Mint",
   "sourceUrl": "https://fraser.stlouisfed.org/title/domestic-foreign-coins-manufactured-mints-united-states-1792-1965-6280",
   "period": "1932–2025"
  }
 ]
}