From 2010 onwards, changes have been made to the method of classifying households by family type. Figures between 1980 and 2005 are based on the old classification.
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Number of households Japan 1980-2040, by household type
In 2015, there were more than **** million single households in Japan. The number of single households has steadily grown over the past decades. It was projected that single households would account for around ** percent of all households by 2040, replacing married couple households with children, which made up the largest share of households in 1980.
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MLIT (Japan). (August 31, 2020). Number of households in Japan from 1980 to 2015 with a forecast until 2040, by type of household (in millions) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 24, 2026, from /statistics/1248910/japan-number-households-by-type/
MLIT (Japan). "Number of households in Japan from 1980 to 2015 with a forecast until 2040, by type of household (in millions)." Chart. August 31, 2020. ÌÇÐÄÆƽâ°æ. Accessed July 24, 2026. /statistics/1248910/japan-number-households-by-type/
MLIT (Japan). (2020). Number of households in Japan from 1980 to 2015 with a forecast until 2040, by type of household (in millions). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 24, 2026. /statistics/1248910/japan-number-households-by-type/
MLIT (Japan). "Number of Households in Japan from 1980 to 2015 with a Forecast until 2040, by Type of Household (in Millions)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 31 Aug 2020, /statistics/1248910/japan-number-households-by-type/
MLIT (Japan), Number of households in Japan from 1980 to 2015 with a forecast until 2040, by type of household (in millions) ÌÇÐÄÆƽâ°æ, /statistics/1248910/japan-number-households-by-type/ (last visited July 24, 2026)
Number of households in Japan from 1980 to 2015 with a forecast until 2040, by type of household (in millions) [Graph], MLIT (Japan), August 31, 2020. [Online]. Available: /statistics/1248910/japan-number-households-by-type/
