floortok

Japan Market Data

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Population in their 40s

Population

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Full history, whatever the chart shows
15.57million people
Aug 2026−2.7% vs Aug 2025
MonthPopulation in their 40s (million people)Year on year
Aug 2026 prelim.15.57−2.7%
Jul 2026 prelim.15.64−2.5%
Jun 2026 prelim.15.65−2.6%
May 2026 prelim.15.68−2.6%
Apr 2026 prelim.15.73−2.5%
Mar 202615.76−2.6%
Feb 202615.80−2.5%
Jan 202615.83−2.6%
Dec 202515.88−2.6%
Nov 202515.91−2.6%
Oct 202515.94−2.7%
Sep 202515.96−2.7%
Aug 202515.99−2.8%
Jul 202516.04−2.8%
Jun 202516.07−2.9%
May 202516.09−2.9%
Apr 202516.14−2.9%
Mar 202516.18−2.9%
Feb 202516.21−2.9%
Jan 202516.26−2.9%
Dec 202416.30−3.0%
Nov 202416.34−3.0%
Oct 202416.38−3.0%
Sep 202416.41−3.0%
Aug 202416.45−3.0%
Jul 202416.51−3.0%
Jun 202416.54−3.0%
May 202416.57−3.0%
Apr 202416.62−3.0%
Mar 202416.66−3.0%
Feb 202416.70−3.1%
Jan 202416.75−3.1%
Dec 202316.80−3.1%
Nov 202316.84−3.1%
Oct 202316.88−3.0%
Sep 202316.92−3.0%
Aug 202316.96−3.1%
Jul 202317.01−3.0%
Jun 202317.05−2.9%
May 202317.09−2.9%
Apr 202317.14−2.9%
Mar 202317.18−2.9%
Feb 202317.23−2.9%
Jan 202317.29−2.8%
Dec 202217.33−2.8%
Nov 202217.37−2.8%
Oct 202217.41−2.8%
Sep 202217.45−2.8%
Aug 202217.49−2.7%
Jul 202217.53−2.7%
Jun 202217.56
May 202217.60
Apr 202217.65
Mar 202217.69
Feb 202217.74
Jan 202217.79
Dec 202117.83
Nov 202117.87
Oct 202117.91
Sep 202117.94

Everyone aged 40–49. As of the 1st of each month. Final figures (確定値, in thousands) through March 2026; later months are the Bureau's provisional estimates (概算値, in ten-thousands), replaced as each month is finalised about five months on. Figures from October 2025 will be restated once the 2025 Census counts publish.

floortok processing: Computed by floortok: the sum of the Statistics Bureau's five-year age bands, published in 千人 (final) and 万人 (provisional); shown here in millions of people (÷1,000 and ÷100).