Columbia subject headings:
Older people--United States--Economic conditions--Statistics.
Older people--United States--Social conditions--Statistics.
Older people--United States--Statistics.
Harvard subject headings:
Income--United States--Statistics
Older people--United States--Statistics.
Princeton subject headings:
Older people--Housing--United States.
Older people--United States--Economic conditions--Statistics.
Older people--United States--Social conditions--Statistics.
Older people--United States.
Statistics.