Income-linked baseline
Men and women are averaged from Chetty et al.’s race-adjusted expected age at death at age 40 for the 75th household-income percentile.
Chetty et al., JAMA 2016 ↗Life left — estimated days and percentage remaining by U.S. generation. A population view, not a personal prediction.
Estimated life left by generation
Range across birth years, with the representative year marked in white.
as of · Puerto Rico
Boomers1946–1964
4,26614% · born 1955
Gen X1965–1980
11,60737% · born 1972
Millennials1981–1996
18,16357% · born 1988
Gen Z1997–2012
24,59175% · born 2004
Alpha2013–now
30,52692% · born 2019
The percentage axis runs from 100% life left on the left to 0% on the right, matching the daily chart on @lifedaysleft.
Methodology
Three inputs, one deterministic estimate.
Cohort forecast
Each birth year is shifted by the SSA’s 2025 Intermediate cohort life expectancy at birth, relative to the 1967 baseline of 78.4.
SSA Table V.A5 ↗Generation bands
The chart follows Pew’s Boomer-through-Gen Z boundaries. Alpha begins in 2013 as a working convention; Pew has not defined it.
Pew Research Center ↗estimated age at death
85.0786285 + [cohort e0(year) − 78.4]days left
estimated age × 365.2425 − calendar days livedIllustrative population estimate only. Health, circumstances, and chance do not fit inside one bar.