Life Expectancy by County, 2020-2022 (2025)

The new three-year average life expectancy data for the years of 2020-2022 are now available. Data were from the National Center for Health Statistics – Mortality Files (2020-2022) and are used for the 2025 County Health Rankings. The average number of years a person can expect to live are reported for US states and counties with fewer than 5,000 population-years-at-risk over the report period.

New maps and data now available for the School Segregation Index indicator from the 2025 County Health Rankings.

The new school segregation index data are now available for the year of 2023-2024. Data were from the 2023-2024 National Center for Education Statistics (NCES) and are used for the 2025 County Health Rankings. This indicator reports the extent to which students within different race and ethnicity groups are unevenly distributed across schools when compared with the racial and ethnic composition of the local population. The school segregation index are reported for US counties and states over the report period.

New maps and data now available for the Premature Death indicator from the 2025 County Health Rankings.

The new three-year average premature death data for the years of 2020-2022 are now available. Data were from the National Center for Health Statistics – Mortality Files (2020-2022) and are used for the 2025 County Health Rankings. The age-adjusted rate of potential life lost before age 75 per every 100,000 total population are reported for US states and counties with >= 20 deaths over the report period.