Columbia subject headings:
Older people--Japan--Tokyo--Economic conditions--21st century.
Older people--Japan--Tokyo--Social conditions--21st century.
Older people--Services for--Japan--Tokyo--History--21st century.
Harvard subject headings:
Older people--Japan--Tokyo--Economic conditions.
Older people--Japan--Tokyo--Social conditions.
Older people--Services for--Japan--Tokyo.
Princeton subject headings: