The occupational outlook in the United States.
D000293:Adolescent; D000328:Adult; D000368:Aged; D000383:Agriculture; D004651:Employment; D006280:Health Workforce; D006801:Humans; D008875:Middle Aged; D009790:Occupations; D013223:Statistics as Topic; D013663:Teaching; D013672:Technology; D014481:United States