In 2020, the number of private households in Japan amounted to around **** million, with the majority, more than ** percent, being nuclear-family households. Over the last decades, the number of members per household in Japan has gradually declined, raising the number of one-person households to a record high in 2020.
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Statistics Bureau of Japan. (September 19, 2025). Breakdown of private households in Japan from 2000 to 2020, by type [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 24, 2026, from /statistics/606282/japan-private-household-breakdown-by-type/
Statistics Bureau of Japan. "Breakdown of private households in Japan from 2000 to 2020, by type." Chart. September 19, 2025. ÌÇÐÄÆƽâ°æ. Accessed July 24, 2026. /statistics/606282/japan-private-household-breakdown-by-type/
Statistics Bureau of Japan. (2025). Breakdown of private households in Japan from 2000 to 2020, by type. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 24, 2026. /statistics/606282/japan-private-household-breakdown-by-type/
Statistics Bureau of Japan. "Breakdown of Private Households in Japan from 2000 to 2020, by Type." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 19 Sep 2025, /statistics/606282/japan-private-household-breakdown-by-type/
Statistics Bureau of Japan, Breakdown of private households in Japan from 2000 to 2020, by type ÌÇÐÄÆƽâ°æ, /statistics/606282/japan-private-household-breakdown-by-type/ (last visited July 24, 2026)
Breakdown of private households in Japan from 2000 to 2020, by type [Graph], Statistics Bureau of Japan, September 19, 2025. [Online]. Available: /statistics/606282/japan-private-household-breakdown-by-type/
