Japan's Child Population Hits Record Low for 44th Straight Year

Japan's Child Population Hits Record Low for 44th Straight Year
Above: A young man runs past an elderly couple taking a health walk early in the morning on Oct. 1, 2024, in Tokyo, Japan.  Image credit: David Mareuil/Contributor/Anadolu via Getty Images

The Facts

  • Japan's child population under 15 has fallen to 13.66 million as of April 1, 2025, marking the 44th consecutive annual decline and the lowest level since comparable data became available in 1950, according to the Japanese government.
  • Children now represent just 11.1% of Japan's total population of 123.4 million, down 0.2% from last year, placing Japan second-lowest among 37 nations with populations over 40 million, behind only South Korea.
  • The demographic breakdown shows 6.99 million boys and 6.66 million girls, with a trend of fewer children in younger age groups — only 2.22 million aged 0-2 compared to 3.14 million aged 12-14.

Sources Split


The Spin


Narrative A

Japan stands at the precipice of demographic catastrophe — a nation literally vanishing before our eyes. With births plummeting to record lows and deaths doubling births, this once-mighty economic power faces the unthinkable — losing two-thirds of its population by century's end, threatening not just prosperity but Japan's very existence as a nation.

Narrative B

Japan's demographic "crisis" masks a profound liberation. While demographic alarmists lament a vanishing nation, young Japanese inherit unprecedented bargaining power — becoming a scarce resource in an economy desperate for workers. The future may offer not catastrophe but emancipation, where scarcity grants freedom to demand better conditions and pursue bolder dreams.


Metaculus Prediction

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© 2026 Improve the News Foundation.

All rights reserved.

Version 7.18.3