Show living longer am among 9 primitive peoples which live ave chiefly by hunting like the Es k kimos an 0 or the original american indians indi di a representative population might cons consist of about 70 per cent minors somewhat more than 20 per c cent t adult women and a little less th than n 10 per cent men tor far the him hazards norba of f hunting and war reduce the numbers 0 of men adults over 65 rf would he rarities I 1 although a pharm primitive who tive person who reaches 40 has a fair chance of reaching his three score and ten in the united states a of f 1850 the age structure was still substantially u but at characteristic of past eras only 2 8 6 per cent of the p population U being 65 or over in 1900 the p proportion r op artl was 4 1 per cent in 1940 it was a 8 8 per cent and the ratio no tor for 1980 is predicted as approach approaching hing 15 per cent in that year if burm current I 1 trends continue over a quarter of the population will be 55 or over |