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Distribution of households in Japan from 1986 to 2024, by number of children

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Source

Release date

July 2025

Region

Japan

Survey time period

1986 to 2024

Special properties

based on survey results

Supplementary notes

*Excluding figures for Hyogo Prefecture.

**Excluding figures for Kumamoto Prefecture.

Number of children who are unmarried and under 18 years.

Figures prior to 2022 come from the previous reports.
The source does not provide figures for 2020.

Citation formats

Distribution of households Japan 1986-2024, by number of minors

Published by Zeynep Dierks, Oct 6, 2025

In 2024, an estimated **** percent of households in Japan had unmarried children below the age of 18. Of these households, one-child households accounted for the largest share. The proportion of households with two or more children has gradually declined over the past decades.

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