During 2018–2020, a total of 3,066 heat-related deaths occurred.
The highest percentage of heat-related deaths occurred among persons aged 55–64 years (19%), and the lowest percentage occurred among those aged 5–14 years (1%).
Among those aged 5–14 through aged 55–64 years, the percentage of heat-related deaths increased with age, then decreased through those aged ≥85 years (7%).
Approximately 2% of heat-related deaths occurred among those aged <1 year and 4% among those aged 1–4 years.
Source: National Vital Statistics System, Multiple Cause-of-Death Data, 2018–2020. https://wonder.cdc.gov/mcd.html