The largest increase occurred among persons aged ≥85 years, from 110.2 per 100,000 in 1999 to 270.5 in 2018.
For persons aged 75–84 years, the rate increased from 31.5 to 63.1, and among those aged 65–74 years, the rate increased from 9.0 to 16.8.
Throughout the period, rates were highest among persons aged ≥85 years, followed by rates among persons aged 75–84 years, and were lowest among persons aged 65–74 years.
Source: National Center for Health Statistics, National Vital Statistics System, Mortality Data. https://www.cdc.gov/nchs/nvss/deaths.htm.