In 2020, the total number of private household members in Japan amounted to more than *** million, reversing the upward trend since the initiation of the Population Census. Even though Japan's number of private households has grown in the last decades, the number of members per household has experienced a consistent decrease, indicating the increase in one-person and nuclear-family households.
Profit from the additional features of your individual account
Currently, you are using a shared account. To use individual functions (e.g., mark statistics as favourites, set
statistic alerts) please log in with your personal account.
If you are an admin, please authenticate by logging in again.
Learn more about how ÌÇÐÄÆƽâ°æ can support your business.
Statistics Bureau of Japan. (September 19, 2025). Number of members in the private households in Japan from 1975 to 2020 (in millions) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 26, 2026, from /statistics/606171/japan-private-household-members-total-number/
Statistics Bureau of Japan. "Number of members in the private households in Japan from 1975 to 2020 (in millions)." Chart. September 19, 2025. ÌÇÐÄÆƽâ°æ. Accessed July 26, 2026. /statistics/606171/japan-private-household-members-total-number/
Statistics Bureau of Japan. (2025). Number of members in the private households in Japan from 1975 to 2020 (in millions). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 26, 2026. /statistics/606171/japan-private-household-members-total-number/
Statistics Bureau of Japan. "Number of Members in The Private Households in Japan from 1975 to 2020 (in Millions)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 19 Sep 2025, /statistics/606171/japan-private-household-members-total-number/
Statistics Bureau of Japan, Number of members in the private households in Japan from 1975 to 2020 (in millions) ÌÇÐÄÆƽâ°æ, /statistics/606171/japan-private-household-members-total-number/ (last visited July 26, 2026)
Number of members in the private households in Japan from 1975 to 2020 (in millions) [Graph], Statistics Bureau of Japan, September 19, 2025. [Online]. Available: /statistics/606171/japan-private-household-members-total-number/
