Sources
Every fact on the site traces to at least one row in this table. Raw downloads are not redistributed; the fetch scripts in the repository re-create them. Where a source publishes means rather than percentiles, the fact says the percentile is derived and the grade is capped at B.
| Source | What it measures | Licence | Accessed | Facts | Metrics |
|---|---|---|---|---|---|
NCD Risk Factor Collaboration, adult BMI (Nature 2026)src-ncdrisc-bmi | share of adults in BMI bands by country, sex and five-year age group, pooled from population surveys; percentiles interpolated within bands | CC BY 4.0 | 2026-10-15 | 532 | BMI |
CDC NHANES 2021-2023, body measuressrc-cdc-nhanes | measured height, weight and BMI of a nationally representative US sample, examination-weighted | Public domain (US government) | 2026-10-15 | 96 | BMI, Height, Weight |
Allen, Dechow, Pope and Wu (2017), marathon finisher recordssrc-booth-marathon | chip finish times of individual marathon finishers compiled from official race results, 1970 to 2013; by age, sex, race and country | Research data published by the authors; cite Allen, Dechow, Pope and Wu (2017) | 2026-10-15 | 93 | Marathon time |
UN World Population Prospects 2024src-un-wpp-2024 | population by single year of age and sex, medium variant, mid-2025 | CC BY 3.0 IGO | 2026-10-15 | 66 | Age, Life expectancy at birth |
World Inequality Database (WID.world)src-wid | income and wealth thresholds per adult from distributional national accounts; local currency converted at WID's PPP factor | CC BY 4.0 | 2026-10-15 | 63 | Income (post-tax, per adult), Income (pre-tax, per adult), Net worth (per adult) |
NCD Risk Factor Collaboration, height at age 19 (Lancet 2020)src-ncdrisc-height | mean height at age 19 by country and sex, pooled from population surveys; percentiles derived under a normal assumption | CC BY 4.0 | 2026-10-15 | 40 | Height |
World Bank Poverty and Inequality Platformsrc-wb-pip | household income or consumption per capita from household surveys, 2021 PPP dollars per day | CC BY 4.0 | 2026-10-15 | 19 | Consumption (per person) |
WHO Global Health Observatory, life expectancy at birthsrc-who-ghe | period life expectancy at birth by country and sex, WHO Global Health Estimates | CC BY-NC-SA 3.0 IGO | 2026-10-15 | 3 | Life expectancy at birth |
U.S. Census Bureau, American Community Survey 2024 1-year estimates, tables B25064 (Median Gross Rent) and B25063 (Gross Rent)src-q-u-s-census-bureau-american-community-sur | Gross rent (contract rent plus estimated monthly cost of utilities and fuels paid by the renter) for renter-occupied housing units paying cash rent, United States, survey year 2024 | see source | 2026-10-15 | 3 | Home value, Monthly gross rent |
Federal Reserve Board, Changes in U.S. Family Finances from 2022 to 2025: Evidence from the Survey of Consumer Finances (Table 2)src-q-federal-reserve-board-changes-in-u-s-fam | Family net worth (gross assets minus liabilities, including retirement accounts), families grouped by age of the reference person 65-74, United States, 2025 SCF wave | see source | 2026-10-15 | 3 | Household net worth, Student loan debt |
Statistics Canada, Health Reports 82-003-X: "How sedentary are Canadian adults? It depends on the measure" (Canadian Health Measures Survey Cycle 3)src-q-statistics-canada-health-reports-82-003 | Self-reported leisure screen time (TV, videos, video games, computer and internet use for email, games etc.) in hours per day, averaged over a typical week in the past three months. Work and school computer use is excluded. Canadian adults aged 18 to 79. | see source | 2026-10-15 | 2 | Daily recreational screen time, Vertical jump height |
RunRepeat, Runner's percentile calculator (5K men's table)src-q-runrepeat-runner-s-percentile-calculator | Chip or gun finish time of male finishers in timed road 5K races, all ages pooled; percentile table where the 1st percentile is the fastest 1%. Dataset described as '35 million results collected in the last 20 years from more than 28,000 races'; races and countries not named, methodology not described. | see source | 2026-10-14 | 2 | 5 km time, Half marathon time |
Sports Illustrated, 'Tallest NBA Players of 2025–26 (and All Time)' (table taken from the NBA's official roster listings)src-q-sports-illustrated-tallest-nba-players-o | Official NBA listed height, without shoes (the league has required barefoot measurements since 2019-20), for players on 2025-26 rosters. Gives the ten tallest players, not the full distribution. | see source | 2026-10-15 | 1 | Height |
ACT Profile Report – National, Graduating Class 2025 (Table 2.1, ACT Score Distributions, Cumulative Percents, and Score Averages)src-q-act-profile-report-national-graduating-c | ACT Composite score (1–36) of 2025 US high school graduates who took the ACT as sophomores, juniors or seniors under standard or extended time and got a college-reportable composite. Uses each student's most recent test. CP is the cumulative percent of students at or below a score. | see source | 2026-10-15 | 1 | ACT composite score |
ACT Test Scores: National Ranks (Composite)src-q-act-test-scores-national-ranks-composite | Cumulative percent of ACT-tested US high school graduates scoring at or below each ACT Composite score. Pools three graduating classes and is used to report ranks to examinees. | see source | 2026-10-15 | 1 | ACT composite score |
U.S. Census Bureau, America's Families and Living Arrangements 2025 (CPS ASEC; historical Table MS-2)src-q-u-s-census-bureau-america-s-families-and | Estimated median age at first marriage, men, United States, from the Current Population Survey Annual Social and Economic Supplement. Census derives it indirectly from the share of each age group that has never married (Table MS-2 method), not from reported marriage dates. | see source | 2026-10-15 | 1 | Age at first marriage |
NCFMR Family Profile FP-26-01, Median Age at First Marriage: Geographic Variation, 2024 (Bowling Green State University, from ACS Table B12007)src-q-ncfmr-family-profile-fp-26-01-median-age | Median age at first marriage, men, United States, from American Community Survey 1-year estimates (Census Table B12007). The universe is people aged 15 to 54. | see source | 2026-10-15 | 1 | Age at first marriage |
Alcohol Research Group / Public Health Institute, Alcohol Consumption Norms for U.S. Adults (2020 National Alcohol Survey)src-q-alcohol-research-group-public-health-ins | Self-reported usual number of standard drinks per week over the past 12 months, as a cumulative distribution of all US adults including past-year abstainers (0 drinks). Rounded to the nearest percentile. | see source | 2026-10-15 | 1 | Alcoholic drinks per week |
Alcohol Research Group, US drinking norms (2015 National Alcohol Survey, fielded 2014-15)src-q-alcohol-research-group-us-drinking-norms | Self-reported usual number of drinks per week over the past 12 months, as a cumulative distribution of all US adults including past-year abstainers. Same table format and survey series as the 2020 norms. | see source | 2026-10-15 | 1 | Alcoholic drinks per week |
Gordon, C.C. et al., 1988 Anthropometric Survey of U.S. Army Personnel (ANSUR I): Summary Statistics Interim Report, March 1989 (U.S. Army Natick RD&E Center); 'Span' table as excerpted by the NC State University Ergonomics Centersrc-q-gordon-c-c-et-al-1988-anthropometric-sur | Span: maximum horizontal distance between the fingertips of both hands with the arms stretched out sideways, measured by trained anthropometrists on minimally clothed US Army soldiers. This is the ANSUR I working sample, ages about 17-51. | see source | 2026-10-15 | 1 | Arm span (wingspan) |
Borrud LG, Flegal KM, Looker AC, Everhart JE, et al. Body composition data for individuals 8 years of age and older: U.S. population, 1999-2004. Vital and Health Statistics Series 11, No. 250 (NCHS/CDC), Table 3src-q-borrud-lg-flegal-km-looker-ac-everhart-j | Total (whole-body) percentage body fat measured by dual-energy X-ray absorptiometry (Hologic QDR 4500A) in examined NHANES participants. Values are survey-weighted and use multiple imputation for missing or invalid DXA scans. Row used: males, all races and ethnicities, age 20 years and older, crude. | see source | 2026-10-15 | 1 | Body fat percentage |
Pew Research Center, 'Three-in-ten Americans now read e-books' (survey of U.S. adults, Jan 25 to Feb 8, 2021)src-q-pew-research-center-three-in-ten-america | Self-reported number of books read in whole or in part in the previous 12 months, any format (print, e-book, audiobook), U.S. adults 18+, phone survey (cell and landline) | see source | 2026-10-15 | 1 | Books read per year |
Gallup, 'About Half of Americans Reading a Book' (trend table, May 20-22, 2005 poll)src-q-gallup-about-half-of-americans-reading-a | Self-reported number of books read, either all or part of the way through, during the past year, U.S. adults 18+, telephone poll | see source | 2026-10-15 | 1 | Books read per year |
FIDE / Jeff Sonas, 'Sonas Proposal: Repairing the FIDE Standard Elo rating system' (published on fide.com, 20 July 2023)src-q-fide-jeff-sonas-sonas-proposal-repairing | FIDE Standard (classical) Elo rating of every player on the FIDE rating list, active and inactive, grouped in 100-point bands; January 2023 list (405,074 players) and April 2023 list (approx. 414,000 players) | see source | 2026-10-14 | 1 | FIDE chess rating (standard) |
FIDE October 2026 standard rating list, tabulated by JD Chess (research data file elo-2026-10-03.json)src-q-fide-october-2026-standard-rating-list-t | FIDE Standard rating of every player on the October 2026 standard list with a positive published rating and no inactive flag (per-rating counts from the official standard_rating_list_xml.zip, archive dated 2 October 2026, SHA-256 recorded) | see source | 2026-10-14 | 1 | FIDE chess rating (standard) |
Lichess weekly rating distribution pages (rapid and blitz), histogram data captured 3 October 2026 in the JD Chess data filesrc-q-lichess-weekly-rating-distribution-pages | Lichess Glicko-2 rating of players shown in the weekly rapid and blitz rating-distribution histograms (players with recent activity; 25-point bins from 400 to 2824); rapid n = 504,630, blitz n = 703,048 | see source | 2026-10-14 | 1 | FIDE chess rating (standard) |
US Chess Federation, USCF Regular Rating Distribution Chart as of November 1, 2004src-q-us-chess-federation-uscf-regular-rating | US Chess regular (over-the-board) rating of all rated members, with cumulative percentile per 100-point band, split into all members, non-scholastic and scholastic | see source | 2026-10-14 | 1 | FIDE chess rating (standard) |
Loftfield E, Freedman ND, Dodd KW et al. Coffee Drinking Is Widespread in the United States, but Usual Intake Varies by Key Demographic and Lifestyle Factors. Journal of Nutrition 2016;146(9):1762-1768src-q-loftfield-e-freedman-nd-dodd-kw-et-al-co | Usual (long-run average) daily intake of coffee-containing beverages, caffeinated and decaf, among US adults aged 20 and over who drink coffee. NHANES 2003-2006, estimated from up to two nonconsecutive 24-hour recalls plus a food frequency questionnaire using the NCI usual-intake method, survey-weighted to the US adult population. | see source | 2026-10-15 | 1 | Daily coffee intake |
Federal Reserve Board, FEDS Notes: Developments in the Credit Score Distribution over 2020 (Figure 2, Credit score percentiles)src-q-federal-reserve-board-feds-notes-develop | Distribution of credit scores across all credit-scored individuals in the Federal Reserve Bank of New York Consumer Credit Panel/Equifax, a 5% random sample of US credit reports. The note names no score model. The CCP's score is the Equifax Risk Score, which runs to 850 like FICO, but it is not a FICO score. | see source | 2026-10-15 | 1 | Credit score |
Master et al. 2022, Association of step counts over time with the risk of chronic disease in the All of Us Research Program, Nature Medicinesrc-q-master-et-al-2022-association-of-step-co | Per-participant median daily step count from participants' own Fitbit devices (Bring Your Own Device program), adults 18+ with at least 6 months of valid wear, monitored between 2018 and 2021 (median 4.0 years of monitoring). | see source | 2026-10-15 | 1 | Daily steps |
Strength Origins, Deadlift Standards (2025 competition percentiles)src-q-strength-origins-deadlift-standards-2025 | Best competition deadlift in kg for male lifters at raw (unequipped), drug-tested, sanctioned full-power (squat-bench-deadlift) meets held 1 Jan to 20 Dec 2025, ages 16-65, one best result per lifter. All bodyweights pooled. Percentiles computed by Strength Origins from OpenPowerlifting. | see source | 2026-10-15 | 1 | Deadlift one-rep max |
Stronger app, Deadlift Standards (competition data)src-q-stronger-app-deadlift-standards-competit | Best successful raw deadlift in kg per lifter per meet at sanctioned meets, men, all bodyweights, from OpenPowerlifting. Equipped and para divisions excluded. Tested and untested divisions pooled, all years. | see source | 2026-10-15 | 1 | Deadlift one-rep max |
USGA U.S. Handicapping Statistics, year-end 2025 (as tabulated by TheGrint)src-q-usga-u-s-handicapping-statistics-year-en | Distribution of the current Handicap Index among male golfers holding a USGA Handicap Index (GHIN), grouped into 5-stroke bands. Plus handicaps are the band 'better than 0.0'. | see source | 2026-10-15 | 1 | Golf Handicap Index |
Golf.com, 'Here's how your handicap index stacks up against golfers in the United States' (reporting USGA statistics)src-q-golf-com-here-s-how-your-handicap-index | Distribution of the Handicap Index among male golfers registered in USGA GHIN, in 1-stroke bands as published by the USGA at the time. | see source | 2026-10-15 | 1 | Golf Handicap Index |
ETS, GRE General Test Interpretive Data, Tables 1A and 1B (Verbal Reasoning percentile ranks)src-q-ets-gre-general-test-interpretive-data-t | GRE General Test Verbal Reasoning scaled score (130 to 170, 1-point steps). The population is every individual who took the GRE General Test anywhere in the world between 1 July 2022 and 30 June 2025. Takers who got No Score on the measure are excluded. Percentile rank is the percent of test takers scoring lower than a given scaled score. | see source | 2026-10-15 | 1 | GRE Verbal Reasoning score |
Tomkinson et al. (2025), International norms for adult handgrip strength: a systematic review of data on 2.4 million adults aged 20 to 100+ years from 69 countries and regions, Journal of Sport and Health Science 14:101014src-q-tomkinson-et-al-2025-international-norms | Absolute handgrip strength in kg, harmonised to a reference protocol: both hands tested, 3 repetitions per hand, summary statistic = maximum irrespective of hand, hydraulic dynamometer, seated, elbow flexed. Population-weighted GAMLSS norms built from Monte Carlo pseudo-data pooled from 100 studies (tests from 2000 onward). Values are for males aged 35-39. | see source | 2026-10-15 | 1 | Handgrip strength |
Dodds et al. (2014), Grip strength across the life course: normative data from twelve British studies, PLoS ONE 9(12):e113637src-q-dodds-et-al-2014-grip-strength-across-th | Maximum grip strength in kg across all trials (usually 3 per hand, both hands; two studies used the dominant hand only), Jamar-type and other dynamometers. GAMLSS centiles from 12 pooled general-population British studies. Values are for males at exact age 35. | see source | 2026-10-15 | 1 | Handgrip strength |
Bradtmiller B, Friess M (Anthrotech) for NIOSH/NPPTL: A Head-and-Face Anthropometric Survey of U.S. Respirator Users, Final Report (May 28, 2004), Table 9src-q-bradtmiller-b-friess-m-anthrotech-for-ni | Maximum head circumference measured with a steel tape by trained measurers on U.S. civilian workers who use respirators, men and women combined. Values are weighted by sex, age and race to the 2000 U.S. Census population aged 18-66. Data were collected in the first half of 2003 at 41 sites in 8 states. | see source | 2026-10-15 | 1 | Head circumference |
IRS Statistics of Income, Individual statistical tables by tax rate and income percentile, Table 4.1 (all returns excluding dependents, AGI floor on percentiles), tax year 2023src-q-irs-statistics-of-income-individual-stat | Minimum adjusted gross income (AGI floor) needed for an individual federal income tax return to fall into each top percentile. All returns filed for tax year 2023, excluding returns filed by dependents. The unit is the tax return (single filer or married couple filing jointly), not the Census household. | see source | 2026-10-15 | 1 | Adjusted gross income per tax return |
Tax Foundation, Summary of the Latest Federal Income Tax Data, 2025 Update (IRS SOI data for tax year 2022)src-q-tax-foundation-summary-of-the-latest-fed | Income split point, defined as the minimum AGI for a tax return to fall into each percentile. All returns excluding dependents, tax year 2022. | see source | 2026-10-15 | 1 | Adjusted gross income per tax return |
Statistics Canada, The Daily (2025-10-31), High-income tax filers in Canada, 2023, Table 1: Selected statistics by income group, Canada, 2022 to 2023 (from Table 11-10-0055-01 and Longitudinal Administrative Databank custom tabulations)src-q-statistics-canada-the-daily-2025-10-31-h | Threshold of total income needed to be in the top 1%, 0.1% and 0.01% of individual Canadian tax filers. Total income covers earnings, investments, pensions, spousal support, other taxable income, government transfers and refundable tax credits. The unit is the individual tax filer, not the household or family. Thresholds use the national distribution. | see source | 2026-10-15 | 1 | Total income per tax filer (Canada) |
Lurk data drop: Instagram follower concentrationsrc-q-lurk-data-drop-instagram-follower-concen | Follower count of Instagram profiles held in Lurk's own cached-profiles store (its live follow-graph), restricted to profiles with a known positive follower count. Percentiles computed exactly (percentile_cont) over all such profiles. Concentration figures rank accounts into 100 equal-count buckets. | see source | 2026-10-14 | 1 | Instagram follower count |
Intertel, Join us: qualifying scores (99th percentile)src-q-intertel-join-us-qualifying-scores-99th | Minimum composite score on supervised intelligence tests that Intertel accepts as evidence of a score at or above the 99th percentile; Wechsler Full Scale IQ (WISC, WAIS, WPPSI), Stanford-Binet 5 IQ, Cattell scales. Stated criterion: 'The only criterion for membership is a score at or above the 99th percentile level on a qualifying and valid supervised test of intelligence.' | see source | 2026-10-14 | 1 | IQ score |
Pearson, WAIS-IV sample Score Report (composite score to percentile rank)src-q-pearson-wais-iv-sample-score-report-comp | Wechsler Adult Intelligence Scale, Fourth Edition composite scores (mean 100, SD 15) with the percentile rank Pearson's norm tables assign to each, for one illustrative examinee aged 70. Percentile ranks are relative to same-age peers in the US standardization sample (2,200 adults aged 16 to 90, norms published 2008). | see source | 2026-10-14 | 1 | IQ score |
Triple Nine Society, Qualifying test scores (99.9th percentile)src-q-triple-nine-society-qualifying-test-scor | Minimum scores the society accepts as evidence of the 99.9th percentile: WAIS Full Scale IQ, WISC Full Scale IQ (ages 15 to 16), Stanford-Binet 5 (age 16+), earlier Stanford-Binet forms, Cattell, RAIT. | see source | 2026-10-14 | 1 | IQ score |
President's Council on Physical Fitness and Sports 1985 National School Population Fitness Survey (Reiff et al., University of Michigan, 1986), Appendix D Table 2 and Appendix C Table 1src-q-president-s-council-on-physical-fitness | Maximum number of overhand dead-hang pull-ups in one untimed attempt. The sample is US public-school boys aged 17 and over (the oldest band, called '17+'), drawn as a national probability sample of students in grades 1 to 12. | see source | 2026-10-15 | 1 | Max pull-ups |
US Army Research Institute of Environmental Medicine, Technical Report T94-7: Army Physical Fitness Test (APFT): Normative Data on 6022 Soldiers (Knapik et al., 1994; data from the 1988 Active Army Physical Fitness Survey)src-q-us-army-research-institute-of-environmen | Number of correct push-ups completed in 2 minutes on the APFT; 5,346 male and 676 female soldiers at 14 US installations, age-banded as the APFT standards are. Percentile tables run from the 1st to the 99th percentile per age band. | see source | 2026-10-14 | 1 | Push-ups in one test |
Cooper Institute fitness norms (one-minute push-ups) as reproduced in McKenzie County Sheriff's Office 'New Cooper Standards Age & Gender' tablesrc-q-cooper-institute-fitness-norms-one-minut | Push-ups completed in one minute, males, percentile rows 5 to 99 by age decade (20-29, 30-39, 40-49, 50-59, 60+). The sheriff's office reproduces Cooper Institute norms; the underlying Cooper publication (Physical Fitness Assessments and Norms for Adults and Law Enforcement) could not be opened directly, so the edition and sample size are unverified. | see source | 2026-10-14 | 1 | Push-ups in one test |
Texas Department of Public Safety, Performance Standards for Males by Age (physical readiness test chart)src-q-texas-department-of-public-safety-perfor | Push-ups with no time limit, percentile rows 1 to 99 for males in 5-year bands (20-24 to 50+). The chart does not state its data source or year and the rows rise in near-constant steps, so it reads as a constructed standards table rather than a published distribution. | see source | 2026-10-14 | 1 | Push-ups in one test |
Kjær IGH, Torstveit MK, Kolle E, Hansen BH, Anderssen SA. Normative values for musculoskeletal- and neuromotor fitness in apparently healthy Norwegian adults. BMC Sports Science, Medicine and Rehabilitation 2016;8:37src-q-kj-r-igh-torstveit-mk-kolle-e-hansen-bh | Modified push-ups (with a hand-clap behind the back between reps) completed in 40 seconds, nationally sampled Norwegian adults aged 20-64.9, data 2008-2009; 342 men completed the test. | see source | 2026-10-14 | 1 | Push-ups in one test |
Brysbaert (2019), How many words do we read per minute? A review and meta-analysis of reading rate, Journal of Memory and Language 109:104047src-q-brysbaert-2019-how-many-words-do-we-read | Mean silent reading rate of healthy adult native speakers aged 17-60 reading normal text for comprehension, pooled across 190 published studies (1901-2019, mostly English, predominantly university students). Unweighted random-effects mean of study-level means. Words counted as published by each study (no character normalisation). | see source | 2026-10-14 | 1 | Silent reading speed |
NCHS National Health Statistics Reports No. 41: Resting Pulse Rate Reference Data for Children, Adolescents, and Adults: United States, 1999-2008 (Ostchega et al., 2011), Table 1src-q-nchs-national-health-statistics-reports | Resting radial pulse counted by a physician for 30 seconds and doubled, taken after about 4 minutes of seated rest, in the NHANES mobile examination centre. Covers a normative sample that excludes people with a current medical condition or medication that affects pulse rate (beta-blockers, calcium channel blockers, thyroid disorders, pregnancy, irregular pulse, likely infection). Weighted to the US civilian noninstitutionalized population. Both sexes, age 20-39. | see source | 2026-10-15 | 1 | Resting heart rate |
EBRI/Greenwald Research, 2025 Retirement Confidence Survey (35th annual)src-q-ebri-greenwald-research-2025-retirement | Self-reported age at which current US retirees retired, in a nationally representative online survey of Americans aged 25 and older. Retirees report their own retirement age. | see source | 2026-10-15 | 1 | Age at retirement |
Transamerica Center for Retirement Studies, The Current State of Retirement: Pre-Retiree Expectations and Retiree Realitiessrc-q-transamerica-center-for-retirement-studi | Self-reported age at which US retirees aged 50 and older (fully or semi-retired) considered themselves retired, from a nationally representative survey of retirees. | see source | 2026-10-15 | 1 | Age at retirement |
Concept2 Logbook, 2025 2000m RowErg Rankings (men, all ages, all weights)src-q-concept2-logbook-2025-2000m-rowerg-ranki | Each man's best 2000m RowErg time logged during the 2025 Concept2 season. Filters: all ages, all weights, all countries, all results (verified and unverified), adaptive excluded. Percentiles are read from rank position: p99 = position 96 of 9,561, p90 = position 956, p50 = position 4,781. | see source | 2026-10-15 | 1 | 2000m indoor rowing time |
Concept2 Logbook, 2024 2000m RowErg Rankings (men, all ages, all weights)src-q-concept2-logbook-2024-2000m-rowerg-ranki | Same definition as the 2025 row, for the 2024 season: each man's best 2000m RowErg time, all ages and weights, all results, adaptive excluded. p99 = position 97 of 9,688, p90 = position 969, p50 = position 4,844. | see source | 2026-10-15 | 1 | 2000m indoor rowing time |
College Board, Understanding SAT Scores: total score percentile ranks (SAT User group)src-q-college-board-understanding-sat-scores-t | Percentile rank of the digital SAT total score (400–1600 scale, ERW plus Math) among students who took the SAT and graduated high school in the past three school years (User percentile) | see source | 2026-10-15 | 1 | SAT total score |
Epidemiology of accelerometer-based sleep parameters in US school-aged children and adults: NHANES 2011-2014 (Sleep Health, 2022, PMC9090869)src-q-epidemiology-of-accelerometer-based-slee | Device-measured nightly sleep duration: duration of the sleep period time window (longest sleep block in each noon-to-noon day) minus summed wake bouts, from an ActiGraph GT3X+ worn on the wrist for 7 days; participants needed at least 3 valid days; nights under 3 h or over 15 h excluded. NHANES 2011-2012 and 2013-2014 cycles, 4-year survey weights. | see source | 2026-10-15 | 1 | Nightly sleep duration |
Tracking the night: measuring age and sex patterns in sleep duration using wearable technology (Sleep, 2026)src-q-tracking-the-night-measuring-age-and-sex | Longest continuous nighttime sleep period between 6 pm and 6 am as recorded by a Samsung Galaxy Watch, averaged per person over February to April 2023; US adults aged 20-69 with at least 20 valid weekdays and 8 valid weekend days. | see source | 2026-10-15 | 1 | Nightly sleep duration |
Strength Origins, Squat Standards (2025 competition percentiles)src-q-strength-origins-squat-standards-2025-co | Best competition squat in kg for female lifters at raw (unequipped), drug-tested, sanctioned full-power (squat-bench-deadlift) meets held 1 Jan to 20 Dec 2025, ages 16-65. Valid non-zero results only, one best result per lifter for the year. All bodyweights pooled. Strength Origins computed the percentiles from OpenPowerlifting. | see source | 2026-10-15 | 1 | Squat one-rep max |
Stronger app, Squat Standards (competition data)src-q-stronger-app-squat-standards-competition | Best successful raw squat in kg for women at sanctioned meets, all bodyweights, from the OpenPowerlifting dataset dated 2026-09-05. Equipped and para divisions excluded. Tested and untested lifters pooled. The year range is not stated. | see source | 2026-10-15 | 1 | Squat one-rep max |
Federal Reserve Board, Survey of Consumer Finances 2019 wave, as restated in the Oct 2023 Federal Reserve Bulletin, Table 4src-q-federal-reserve-board-survey-of-consumer | Conditional median value of education installment loans held by US families with any education loan debt, family level, 2019 SCF wave (inflation-adjusted to 2022 dollars) | see source | 2026-10-15 | 1 | Student loan debt |
Dhakal, Feit, Kristensson & Oulasvirta (2018), Observations on Typing from 136 Million Keystrokes, CHI 2018src-q-dhakal-feit-kristensson-oulasvirta-2018 | Words per minute on a transcription task of 15 English sentences in an online study hosted with a commercial typing-test site. WPM = (characters in the transcribed string / 5) / minutes from first to last keypress, averaged over sentences. Participants self-selected; 12% excluded for uncorrected error rate above 25% or technical problems. Sample mostly young (mean age 24.5, 75% aged 11-30), 68% from the US, 85% native English speakers, 72% had taken a typing course. | see source | 2026-10-14 | 1 | Typing speed |
TypeLit.io, The State of Typing (updated 16 April 2026)src-q-typelit-io-the-state-of-typing-updated-1 | Per-user average WPM from real typing sessions on TypeLit.io, where users transcribe passages from classic books in 9 languages. Includes users with at least 5 pages typed; users averaging above 150 WPM excluded from most aggregates. Word definition not stated. | see source | 2026-10-14 | 1 | Typing speed |
Fastfingers.net, Average Typing Speed & Statisticssrc-q-fastfingers-net-average-typing-speed-sta | Per-test WPM across 7,204,168 timed typing tests on the site (98% are 60-second tests), all languages combined; Indonesian (2.1M tests) and English (2.1M tests) dominate. Scores outside 1-250 WPM excluded. Word definition not stated. Numbers refreshed periodically; no reference date given beyond the 2026 page footer. | see source | 2026-10-14 | 1 | Typing speed |
Kaminsky LA, Arena R, Myers J. Reference Standards for Cardiorespiratory Fitness Measured With Cardiopulmonary Exercise Testing: Data From the Fitness Registry and the Importance of Exercise National Database (FRIEND). Mayo Clinic Proceedings 2015;90(11):1515-1523, Table 3src-q-kaminsky-la-arena-r-myers-j-reference-st | VO2max measured directly by cardiopulmonary exercise testing (gas exchange) on a maximal treadmill test. Sample is US adults aged 20-79 without cardiovascular disease, from 8 US laboratories. Percentiles are given by sex and decade of age. | see source | 2026-10-15 | 1 | VO2 max |
Brysbaert, Stevens, Mandera & Keuleers (2016), How Many Words Do We Know? Practical Estimates of Vocabulary Size Dependent on Word Definition, the Degree of Language Input and the Participant's Age, Frontiers in Psychology 7:1116src-q-brysbaert-stevens-mandera-keuleers-2016 | Estimated number of English lemmas known by American native English speakers aged 20. Lemmas are uninflected words with proper nouns excluded, taken from a list of 61,800 entries. Knowledge was measured by yes/no word recognition with pseudoword correction in an online crowdsourced test. | see source | 2026-10-15 | 1 | English vocabulary size |
RunRepeat with IAAF, '133 stats on 5K running races in the US' (men's recreational percentiles)src-q-runrepeat-with-iaaf-133-stats-on-5k-runn | Finish times of male recreational 5K race participants in the United States, 2009-2018 (2,616,876 participants in 2018, 1,015,180 men). Percentile table labelled 'men's recreational finish times' is undated. Parkrun events explicitly excluded because timing is not individual. | see source | 2026-10-14 | 1 | 5 km time |
Outside Run, 'What's a Good 5K Time? Here's What the Latest Data Says'src-q-outside-run-what-s-a-good-5k-time-here-s | 2.2 million individual finish times gathered by the author from US 5K road races in 2024; medians, 25th/75th percentiles and top-5%/top-10% cutoffs by sex and age group. Overall men's median only; no overall men's top 10% or top 1%. | see source | 2026-10-14 | 1 | 5 km time |
Outside Run (Outside Online), 'What's a Good Half Marathon Time? Here's What the Latest Data Says' (author's compilation of 2024 US race results)src-q-outside-run-outside-online-what-s-a-good | Finish times of about one million half marathon finishers in races across the United States in 2024, compiled by the article's author (data resource runningwithrock.com). Reports median by sex, and median, 25th/75th percentile, top 10% and top 5% thresholds by sex and ten-year age group (20-29 to 70-79). No top 1% figure. | see source | 2026-10-14 | 1 | Half marathon time |
San Francisco Marathon half marathon results 2008-2021, open data analysis by Debarghya Dassrc-q-san-francisco-marathon-half-marathon-res | Finish times of 135,944 finishers of the San Francisco Marathon's half marathon events, 2008-2021 (no race in 2020), scraped from the RunRaceResults hosting site. Percentiles published with 99% meaning the fastest 1%. | see source | 2026-10-14 | 1 | Half marathon time |
RunRepeat: Compare Running Finish Times (runner percentile calculator), female 10K tablesrc-q-runrepeat-compare-running-finish-times-r | Official chip or gun finish times of female finishers in timed 10K road races, pooled across all ages, taken from race results RunRepeat collected. p1 is the time that only the fastest 1% of female finishers beat. | see source | 2026-10-15 | 1 | 10 km time |
How grades work
A: two or more independent sources, at least one official, agreeing within 10% at every shown percentile. B: one official source, or a derived percentile. C: sources disagree by more than 10%, or a known definitional mismatch. D: produced by the automated research step and not yet reviewed by a person.