Missed prevention: global gaps in seat belt policy, monitoring, and road traffic mortality.

Authors

Ema Jokūbaitytė, Gonzalo Casas Martínez, María Seguí-Gómez

Published in

Traffic injury prevention. Pages 1-11. Aug 13, 2026. Epub Aug 13, 2026.

Abstract

Seat belts are among the most effective interventions for reducing vehicle occupant fatalities, yet their global life-saving potential depends on their availability and use. This study documents and quantifies global gaps in seat belt governance and estimates the burden of preventable road traffic deaths associated with incomplete implementation. The analysis examines how the presence and maturity of seat belt laws and associated monitoring systems relate to population-level road traffic mortality.
Data from the World Health Organization's Global Status Report on Road Safety (2013, 2018, 2023) were combined with Global Health Estimates mortality data (2010, 2015, 2021). One hundred and eighty-three countries were classified according to the availability and standards of seat belts in vehicles, the scope and maturity of mandatory seat belt use legislation for drivers, front-seat occupants, and rear-seat occupants, and monitoring capacity. The relation between these and four-wheeler fatality rates was assessed in bivariate analyses. A counterfactual modeling framework estimated preventable deaths between 2011 and 2021 under two scenarios: (1) countries without long-standing comprehensive legislation achieving the seat belt wear rates observed in countries with more mature legislation, and (2) universal seat belt use globally. Sensitivity analyses varied seat belt effectiveness and vehicle occupancy distributions.
Between 2011 and 2021, approximately 12.8 million road traffic deaths occurred globally. As of 2021, sixty-seven countries - encompassing about one quarter of the global population - did not legally require seat belt use in all seating positions. Increasing seat belt use in countries lacking mature legislation to the levels observed in countries with long-standing comprehensive laws could have prevented about 96,000 deaths over the study period (≈0.8% of global road traffic fatalities). Universal seat belt use could have prevented 557,000-1,140,000 deaths globally (≈4.3-8.9%). Monitoring capacity was limited: while ninety-nine countries (55% of the population) consistently reported the distribution of road traffic fatalities by user type, only 10 countries (4% of the population) consistently reported seat belt wear rates for all occupants.
Large disparities in seat belt legislation, equipment standards, and monitoring systems continue to limit the global effectiveness of this well-established safety intervention nearly 60 years after its development. Addressing these gaps rapidly is essential to advance the global road safety aspiration of eliminating these deaths.

PMID:
42593367
Bibliographic data and abstract were imported from PubMed on 13 Aug 2026.

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