Columbia subject headings:
Harvard subject headings:
Family size--Economic aspects--Japan.
Family size--Economic aspects--United States.
Global Financial Crisis, 2008-2009
Japan--Economic conditions--21st century.
Japan--Population--Economic aspects.
United States--Economic conditions--21st century.
United States--Population--Economic aspects.
Princeton subject headings:
Family size--Economic aspects--Japan.
Family size--Economic aspects--United States.
Global Financial Crisis, 2008-2009.
Japan--Economic conditions--21st century.
Japan--Population--Economic aspects.
United States--Economic conditions--21st century.
United States--Population--Economic aspects.