Gary Becker et al. have included longevity in a more general welfare measure and have illustrated that increases in life expectancy have made up a large portion of increases in overall global welfare since the 1960s.
Gary Becker on kaasanud pikaealisuse palju üldisema heaolu mõõdupuuna ja on illustreerinud, et eluea suurenemine on põhjustanud suurema osa üldisest globaalsest heaolu kasvust alates 1960ndatest.