Into the 80's: the 1980 census.
D000293:Adolescent; D000368:Aged; D002648:Child; D005190:Family; D005260:Female; D006262:Health; D006801:Humans; D007114:Immunization; D008297:Male; D011158:Population Growth; D011247:Pregnancy; D011320:Primary Health Care; D014481:United States