The number is a bit misleading since it mixes in child mortalities. If you look at the life expectancy for someone who's already reached age 45, since 1880 to

The number is a bit misleading since it mixes in child mortalities. If you look at the life expectancy for someone who's already reached age 45, since 1880 to now the US has gone from ~70yrs -> ~81 years. A much less significant change https://ourworldindata.org/grapher/life-expectation-age-45-by-sex?country=~USA https://ourworldindata.org/grapher/life-expectation-age-45-b...