Comprehensive, comparable, and timely estimates of demographic metrics—including life expectancy and age-specific mortality—are essential for evaluating, understanding, and addressing trends in population health. The COVID-19 pandemic highlighted how crucial timely all-cause mortality estimates are for being able to respond to changing trends in health outcomes, demonstrating a strong need for demographic analysis tools that can produce all-cause mortality estimates more rapidly using more readily available all-age vital registration (VR) data. The Global Burden of Diseases, Injuries, and Risk Factors Study (GBD) is an ongoing research effort that quantifies human health by estimating a range of epidemiological quantities of interest across time, age, sex, location, cause, and risk. This study—part of the latest GBD release, GBD 2023—provides new and updated estimates of all-cause mortality and life expectancy for 1950–2023 using a novel statistical model that accounts for complex correlation structures in demographic data across age and time.
GBD 2023 Demographics Collaborators;
SCHUMACHER Austin E.;
ZHENG Peng;
BARBER Ryan M;
HAY Simon I;
PISONI Enrico;
2025-11-27
THE LANCET PUBLISHING GROUP
JRC142917
1474-547X (online),
https://www.thelancet.com/journals/lancet/article/PIIS0140-673601330-3/fulltext,
https://publications.jrc.ec.europa.eu/repository/handle/JRC142917,
10.1016/S0140-6736(25)01330-3 (online),
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