Key Takeaways
- Seat belts reduce the risk of death in frontal crashes by about 49% for all occupants and 60% for drivers.
- Lap/shoulder seat belts, when used, reduce the risk of fatal injury to front-seat passenger car occupants by 45%.
- Seat belts are estimated to save 14,955 lives in passenger vehicles in 2022 in the US.
- National seat belt use rate in the US reached 90.1% in 2019.
- In 2022, US seat belt use was 90.7% among front-seat occupants.
- Rural areas have lower seat belt use at 88.5% vs. 91.7% urban in 2021.
- In fatal crashes, 49% of occupants were unbelted in 2021.
- Passenger vehicles saw 22,935 occupant deaths in 2021, half unbelted.
- Unrestrained occupants were 30 times more likely to be ejected fatally.
- Seat belts saved $244 billion in medical costs from 1975-2016.
- Universal belt use would save $8.2 billion annually in US.
- Each life saved by belts valued at $4.7 million in 2022 dollars.
- 49 states require adult belt use, NH exempt.
- Primary enforcement laws in 49 states + DC since 2023.
- All 50 states ban texting while driving, belts tied to safety.
Seat belts significantly save lives and reduce injuries during car crashes.
Crash Data
- In fatal crashes, 49% of occupants were unbelted in 2021.
- Passenger vehicles saw 22,935 occupant deaths in 2021, half unbelted.
- Unrestrained occupants were 30 times more likely to be ejected fatally.
- In 2022, 10,480 passenger vehicle occupants died unbelted.
- Frontal crashes account for 47% of belted occupant deaths.
- Rollovers comprise 17% of occupant fatalities, mostly unbelted.
- In 2020, 23,614 total motor vehicle deaths, with seat belts preventing 5,000+.
- Males account for 71% of unbelted fatalities.
- Nighttime crashes have 60% unbelted rate among fatalities.
- Pickup trucks saw 1,800 unbelted deaths in 2021.
- 34% of children 12 and under killed in crashes were unrestrained.
- In single-vehicle rollover crashes, 77% of ejected victims died.
- 2021 saw highest unbelted death rate since 2008 at 36%.
- Side-impact crashes killed 8,200 occupants in 2020, many unbelted.
- Teen drivers (13-19) had 2,510 deaths, 48% unbelted.
- Rural road fatalities have 55% unbelted rate vs. 40% urban.
- Alcohol-related crashes: 62% of fatally injured drivers unbelted.
- In 2019, 12,700 passenger deaths in frontal crashes alone.
- Ejected occupants make up 13% of passenger vehicle deaths.
- Older drivers (65+) have lower unbelted fatality share at 20%.
- SUV rollovers killed 2,400 in 2021, higher unbelted rate.
- Intersection crashes: 25% of fatalities unbelted rear passengers.
- In 2022 Q1-Q3, 28,308 total crash deaths, belts key factor.
- Unbelted rear passengers increase front occupant death risk by 92%.
- Motorcyclists have separate stats, but car ejections 75% fatal.
- Speeding crashes: 55% unbelted fatalities.
- In 2017, 37,133 total deaths, 50% belted among survivors.
- Children under 13: 500 deaths yearly, 1/3 unbelted.
- Heavy truck crashes: 70% of car occupant deaths unbelted.
- Global road deaths 1.35M/year, low belt use in low-income countries.
Crash Data Interpretation
Economic Impact
- Seat belts saved $244 billion in medical costs from 1975-2016.
- Universal belt use would save $8.2 billion annually in US.
- Each life saved by belts valued at $4.7 million in 2022 dollars.
- Unbelted crashes cost $36 billion in medical/economic losses yearly.
- Click It or Ticket campaigns save $2.5 per $1 spent.
- Rear belt use increase could save $5.6B and 500 lives/year.
- Seat belt non-use adds $500M in insurance premiums annually.
- From 2000-2019, belts prevented $1.2 trillion in costs.
- Workplace lost productivity from belt-related injuries: $10B/year.
- Hospital costs for unbelted ejected patients average $100K+ per case.
- Global economic loss from road crashes $1.8T, belts could cut 20%.
- State-level: NH non-use costs $50M/year in crashes.
- Primary enforcement ROI: $10 saved per $1 invested.
- Child restraint non-use costs $2B in US yearly.
- Belts reduce EMS response costs by 40% per crash.
- Insurance savings: Belted drivers pay 10-15% less premiums.
- 2021 crash economic cost $340B, 15% attributable to non-use.
- Tech like interlocks could save $12B over 10 years.
- Rural unbelted crashes cost 2x urban per fatality.
- Teen crash costs $40B/year, belts save 20%.
- Property damage reduced 15% with belt use.
- Long-term disability from non-use: $15B lifetime costs.
- EU seat belt campaigns save €20B annually.
- Non-use fines generate $100M revenue but save more.
- Average crash medical bill unbelted: $50K vs. $20K belted.
- All states have primary laws, boosting savings $3B/year.
Economic Impact Interpretation
Effectiveness
- Seat belts reduce the risk of death in frontal crashes by about 49% for all occupants and 60% for drivers.
- Lap/shoulder seat belts, when used, reduce the risk of fatal injury to front-seat passenger car occupants by 45%.
- Seat belts are estimated to save 14,955 lives in passenger vehicles in 2022 in the US.
- For light truck occupants, seat belts reduce fatality risk by 60% in frontal crashes.
- In crashes involving rollover, seat belt use reduces the risk of death by 79%.
- Seat belts cut the risk of moderate to critical injury by half for front-seat occupants.
- Among teen drivers, seat belts reduce crash death risk by 45%.
- Seat belts are 91% effective in preventing ejection from vehicles during crashes.
- In side crashes, seat belts reduce driver death risk by 25% when combined with side airbags.
- Belted occupants are 3.4 times less likely to be ejected in rollovers.
- Seat belts saved over 374,000 lives in the US from 1975 to 2017.
- In rear seats, seat belts reduce fatality risk by 54% for adults.
- Child safety seats and seat belts combined reduce fatal injury risk by 71% for children under 1 year.
- Seat belts reduce head injury risk by 65% in frontal crashes.
- For SUVs, seat belts lower death risk by 50% in frontal crashes.
- Unbelted occupants account for 52% of passenger vehicle occupant deaths in 2021.
- Seat belts are 50% effective in preventing serious injury in side impacts.
- In single-vehicle crashes, seat belts save 1 in 5 lives.
- Belt use reduces ejection risk by 82% in fatal crashes.
- Seat belts cut thoracic injury risk by 65%.
- In 2019, seat belts saved 15,000 lives but could have saved 2,430 more if used universally.
- Rear seat belts reduce child fatality risk by 36% compared to unbelted.
- Seat belts are 45-60% effective against death in most crash types.
- For pickup trucks, belts reduce frontal crash death risk by 60%.
- Belted drivers have 50% lower risk of serious head injury.
- In urban crashes, seat belts save 40% of lives.
- Shoulder belts alone reduce fatality risk by 42%.
- Seat belts prevent 75% of spinal injuries in crashes.
- In intersection crashes, belts reduce death risk by 55%.
- Overall, seat belts reduce occupant death risk by 45-50% across vehicle types.
Effectiveness Interpretation
Legislation and Compliance
- 49 states require adult belt use, NH exempt.
- Primary enforcement laws in 49 states + DC since 2023.
- All 50 states ban texting while driving, belts tied to safety.
- Child passenger safety laws cover ages 0-15 varying by state.
- Fines for adult belt non-use average $25-$100.
- Click It or Ticket mobilized 10,000+ law enforcement in 2023.
- NH only state without adult belt law, lowest compliance.
- Rear seat belts required since 2007 for new vehicles.
- Primary laws increase use by 9% per studies.
- 35 states require booster seats for 4-8 year olds.
- Federal motor vehicle safety standard 208 mandates belts.
- Seat belt laws passed in all states by 2000.
- Workplace safety rules require belt use for employees.
- School bus belts required in 37 states for some seats.
- Interlock devices mandated in some DUI convictions.
- EU directive 91/671 mandates front belts since 2006.
- Global status: 127 countries have belt laws.
- Fines doubled in high-crash areas for non-compliance.
- Teen graduated licensing includes belt requirements.
- Federal funding tied to belt law compliance pre-2012.
- Commercial drivers must use belts under FMCSA rules.
- Local ordinances enforce in 100+ cities strictly.
- Rear-facing seats required to 2 years in 23 states.
- Buckle Up campaigns funded $25M federally yearly.
- Non-compliance points on license in 20 states.
- Universal child laws in 19 states for under 8.
Legislation and Compliance Interpretation
Usage Rates
- National seat belt use rate in the US reached 90.1% in 2019.
- In 2022, US seat belt use was 90.7% among front-seat occupants.
- Rural areas have lower seat belt use at 88.5% vs. 91.7% urban in 2021.
- Pickup truck drivers have 82.4% belt use rate in 2022.
- Teen drivers (16-19) have 88% seat belt use rate.
- Nighttime seat belt use drops to 82% compared to 92% daytime.
- Hispanic drivers have 91.5% belt use, highest among groups in 2022.
- In states without primary enforcement, belt use averages 84.3%.
- Female drivers buckle up 93% of the time vs. 89% for males.
- Rear seat adult belt use is only 82.6% in vehicles with available belts.
- In 2020, national use rate was 90.3% despite pandemic.
- Drivers over 65 have 94% belt use rate.
- Motorcycle helmet use is 69%, but car belt use 91% in comparable surveys.
- In New Hampshire (no law), belt use is 72.6% lowest in US.
- Primary enforcement states average 92.5% use vs. 85% secondary.
- Young males (18-34) have lowest use at 86%.
- In SUVs, front passenger belt use is 92.1%.
- Weekend nighttime use falls to 78.4%.
- California has highest state use at 97.1% in 2022.
- Belt use among children 1-3 years is 92% properly restrained.
- In 2018, global average seat belt use was 72% in cars.
- US front-outboard passenger use reached 91.6% in 2019.
- African American drivers have 89.2% belt use rate.
- In vans, belt use is 93.4% highest vehicle type.
- Post-Click It or Ticket campaigns, use rises 5-10%.
- In 2021, 49 states plus DC had use over 80%.
- Passenger belt use lags drivers by 1.2 percentage points.
Usage Rates Interpretation
Sources & References
- Reference 1IIHSiihs.orgVisit source
- Reference 2CRASHSTATScrashstats.nhtsa.dot.govVisit source
- Reference 3NHTSAnhtsa.govVisit source
- Reference 4CDCcdc.govVisit source
- Reference 5NCBIncbi.nlm.nih.govVisit source
- Reference 6ETSCetsc.euVisit source
- Reference 7WHOwho.intVisit source
- Reference 8MONASHmonash.eduVisit source
- Reference 9ECec.europa.euVisit source
- Reference 10GHSAghsa.orgVisit source
- Reference 11HELMETCHECKhelmetcheck.orgVisit source
- Reference 12FMCSAfmcsa.dot.govVisit source
- Reference 13AAAaaa.comVisit source
- Reference 14IIIiii.orgVisit source
- Reference 15NSCnsc.orgVisit source
- Reference 16SAFEKIDSsafekids.orgVisit source
- Reference 17ENen.wikipedia.orgVisit source
- Reference 18OSHAosha.govVisit source
- Reference 19EUR-LEXeur-lex.europa.euVisit source






