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United States Life Tables, 2022.
Summary
In 2022, US life expectancy at birth reached 77.5 years, a significant increase from 2021. This rise in life expectancy was observed across all racial and ethnic groups, with notable gains for Hispanic and American Indian/Alaska Native populations.
Area of Science:
- Demography
- Public Health
- Biostatistics
Background:
- Life expectancy is a key indicator of population health and socioeconomic development.
- Understanding trends in life expectancy across different demographic groups is crucial for targeted public health interventions.
Purpose of the Study:
- To present complete period life tables for the United States for the year 2022.
- To analyze life expectancy trends by Hispanic origin, race, and sex.
Main Methods:
- Utilized 2022 final mortality statistics and U.S. Census Bureau population estimates.
- Employed established methodologies for estimating life tables, consistent with prior years for specific demographic groups.
Main Results:
- Overall life expectancy at birth in 2022 was 77.5 years, an increase of 1.1 years from 2021.
- Significant increases in life expectancy were observed for Hispanic (2.2 years) and American Indian/Alaska Native non-Hispanic (2.2 years) populations.
- Life expectancy also rose for Black non-Hispanic (1.6 years), Asian non-Hispanic (0.9 years), and White non-Hispanic (0.8 years) populations.
Conclusions:
- Life expectancy in the United States showed a positive upward trend in 2022 across all major demographic categories.
- The data highlights differential gains in life expectancy among various racial and ethnic groups, underscoring the need for continued health equity research.
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