Columbia subject headings:
Young adults--Economic conditions.
Young adults--Social conditions.
Young adults--Statistics.
Youth--Economic conditions.
Youth--Social conditions.
Youth--Statistics.
Harvard subject headings:
Princeton subject headings:
Statistics.
Young adults--Economic conditions--Statistics.
Young adults--Social conditions--Statistics.
Young adults--Statistics.
Youth--Economic conditions--Statistics.
Youth--Social conditions--Statistics.
Youth--Statistics.