title: Population slowdown in the United States.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D000369:Aged, 80 and over; D001723:Birth Rate; D002648:Child; D002675:Child, Preschool; D006801:Humans; D007231:Infant, Newborn; D008875:Middle Aged; D009026:Mortality; D011158:Population Growth; D014481:United States