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1. [1] National Highway Traffic Safety Administration (NHTSA) — Summary of Motor Vehicle Traffic Crashes: 2023 Data (DOT HS 813 762) Báo cáo chính phủ

   Summary of Motor Vehicle Traffic Crashes: 2023 Data (DOT HS 813 762)

   Thống kê

   2023: estimated 6,138,359 police-reported traffic crashes; 40,901 killed; estimated 2,442,581 people injured; 1,697,252 injury crashes (Table 1); injury rate 75 per 100 million VMT (unchanged from 2022)

   Trích đoạn

   “"In 2023 there were an estimated 6,138,359 police-reported traffic crashes in which 40,901 people were killed and an estimated 2,442,581 people were injured. [...] One person was killed every 13 minutes and an estimated 5 people injured every minute in traffic crashes in 2023. [...] the injury rate per 100 million VMT was 75 in 2022 and remained the same in 2023." ”

   Dữ liệu nguồn từ

   2025-10-01

   Truy cập

   2026-07-26 · bản sao lưu trữ

   Tính toán

   The 2,442,581 persons-injured estimate is the numerator. It counts every injured person — drivers, passengers, pedestrians, and pedalcyclists — in police-reported crashes, estimated from NHTSA's Crash Report Sampling System (CRSS). This is the October 2025 revision of the 2023 file; the earlier release carried 2,442,694, which still appears in the at-fault-injury-crash-liability entry's ledger. Annual rate: 2,442,581 / 334,914,895 ≈ 0.00729.

   Độc lập

   CRSS is a probability sample of police crash reports, independent of insurance claims, hospital discharge data, and the FARS fatality census.

2. [2] U.S. Census Bureau — U.S. Population Trends Return to Pre-Pandemic Norms as More States Gain Population (Vintage 2023 estimates) Báo cáo chính phủ

   U.S. Population Trends Return to Pre-Pandemic Norms as More States Gain Population (Vintage 2023 estimates)

   Thống kê

   US resident population 334,914,895 as of July 1, 2023

   Trích đoạn

   “"The nation gained more than 1.6 million people this past year, growing by 0.5% to 334,914,895." ”

   Dữ liệu nguồn từ

   2023-12-19

   Truy cập

   2026-07-26 · bản sao lưu trữ

   Tính toán

   Denominator for the annual per-person injury rate. Using the full resident population (all ages) matches the numerator, which also counts injured people of all ages.

   Độc lập

   Census Bureau population estimates are produced from birth, death, and migration administrative records, wholly independent of NHTSA crash data.

3. [3] National Highway Traffic Safety Administration (NHTSA) — Traffic Safety Facts 2023 Data: Children (DOT HS 813 712) ↗ 1 other entry Báo cáo chính phủ

   Traffic Safety Facts 2023 Data: Children (DOT HS 813 712)

   See all 2 Likelier entries citing this source →

   Thống kê

   161,478 children (14 and younger) injured in traffic crashes in 2023; child population 59,498,481. Lap/shoulder belts, correctly used, reduce the risk of moderate-to-critical injury by 50% for front-seat passenger-car occupants 5 and older, and by 65% for light-truck occupants

   Trích đoạn

   “"An estimated 161,478 children were injured in traffic crashes in 2023, a 3-percent increase from 156,502 in 2022. [...] There were 59.5 million children in the United States, 18 percent of the total U.S. population. [...] Analysis has also shown that lap/shoulder seat belts, when used correctly, reduce the risk of fatal injury to front-seat occupants 5 and older of passenger cars by 45 percent and the risk of moderate-to-critical injury by 50 percent. For light-truck occupants, seat belts reduce the risk of fatal injury by 60 percent and the risk of moderate-to-critical injury by 65 percent." ”

   Dữ liệu nguồn từ

   2025-04-01

   Truy cập

   2026-07-26 · bản sao lưu trữ

   Tính toán

   Two uses. (1) The 161,478 child-injury count (and the fact sheet's Table 7 child population of 59,498,481) is subtracted from the all-ages numerator and denominator to produce the adult-scoped annual rate in the normalized block. (2) Basis for the unbelted-occupant multiplier: a 50% reduction in moderate-to-critical injury for belted passenger-car occupants implies an unbelted occupant faces roughly 2.0× the injury risk per crash (1 / 0.50), rising toward ~2.9× in light trucks (1 / 0.35). NHTSA's fact sheet attributes the effectiveness estimate to Kahane (2000), DOT HS 809 199.

   Độc lập

   Restraint-effectiveness estimates derive from FARS double-pair comparison analyses, a different method and dataset than the CRSS injury-count estimate used for the headline number.

4. [4] Insurance Institute for Highway Safety (IIHS) — Fatality Facts 2022: Teenagers ↗ 1 other entry Nguồn tham khảo

   Fatality Facts 2022: Teenagers

   See all 2 Likelier entries citing this source →

   Thống kê

   Per mile driven, the fatal crash rate for drivers 16-19 is just over 3 times the rate for drivers 20 and older (2022 data)

   Trích đoạn

   “"The fatal crash rate per miles driven for 16-19 year-olds is just over 3 times the rate for drivers ages 20 and over." ”

   Dữ liệu nguồn từ

   2024-05-01

   Truy cập

   2026-07-26 · bản sao lưu trữ

   Tính toán

   Basis for the teen-driver multiplier. The 3× figure is a fatal-crash involvement rate per mile driven; police-reported all-severity crash rates for 16-19-year-olds show a similar or larger per-mile elevation, so 3× is used as a conservative injury-risk proxy and labeled with its fatal-crash basis.

   Độc lập

   IIHS computes rates from FARS fatality counts and FHWA/NHTSA travel survey mileage, independent of the CRSS injury estimates.

5. [5] Tefft, B.C. — Sleep (Oxford Academic) — Acute sleep deprivation and culpable motor vehicle crash involvement ↗ 1 other entry Được bình duyệt

   Acute sleep deprivation and culpable motor vehicle crash involvement

   See all 2 Likelier entries citing this source →

   Thống kê

   Compared with drivers who slept 7-9 hours in the 24 hours before crashing, adjusted odds of culpable crash involvement were 1.3× for 6 hours of sleep, 1.9× for 5 hours, 2.9× (95% CI 1.4-6.2) for 4 hours, and 15.1× (95% CI 4.2-54.4) for less than 4 hours.

   Trích đoạn

   “"Drivers who reported having slept for 6, 5, 4, and less than 4 hr in the 24 hr before crashing had 1.3 (95% confidence interval [CI] = 1.04 to 1.7), 1.9 (1.1 to 3.2), 2.9 (1.4 to 6.2), and 15.1 (4.2 to 54.4) times the odds, respectively, of having been culpable for their crashes, compared with drivers who reported 7–9 hr of sleep." ”

   Dữ liệu nguồn từ

   2018-09-01

   Truy cập

   2026-07-26 · bản sao lưu trữ

   Tính toán

   Basis for the sleep-deprivation multiplier (2.9× at 4 hours of sleep, per-trip culpable-crash odds; 5 hours is 1.9×, below 4 hours 15.1×). Case-control analysis drawn from the NHTSA National Motor Vehicle Crash Causation Survey: 6,845 drivers in a representative sample of crashes investigated in 2005-2007.

   Độc lập

   Peer-reviewed AAA Foundation analysis of NMVCCS data — a different crash sample than CRSS and FARS.