is "Portal Site of Official Statistics of Japan" (external site) where you can browse statistics tables and database.

Summary of First Basic Complete Tabulation Results

Link to statistical tables

Released on 31 October, 2001

Population pyramid of Japan	8. Households comprising solitary old person
1. Total population	9. Households comprising old married couple
2. Demographic structure: gender	10. Residential circumstances
3. Demographic structure: age	11. Overseas persons
4. Marital status	Table 1. Main demographic items: national (1995 and 2000)
5. Households	Table 2. Main demographic items: major administrative entities (2000)
6. Family structure of households	Table 3. Population and gender for each age
7. Households with family member aged over 65