Columbia subject headings:
Harvard subject headings:
Cost and standard of living--Japan--Statistics--Periodicals.
Families--Health and hygiene--Japan--Statistics--Periodicals.
Family life surveys--Japan--Statistics--Periodicals.
Households--Japan--Statistics--Periodicals.
Princeton subject headings:
Cost and standard of living--Japan--Statistics.
Public health--Japan--Statistics.
Public welfare--Japan--Statistics.
Statistics.