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Happiness follows a U-shaped curve with age.

the verdict
CONTESTED PARTIAL
Recorded sources
4 sources for · 1 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that happiness follows a U-shaped curve with age?

Partly. Several national studies (Japan, Britain, Ukraine) report a U-shaped relationship between age and wellbeing or life satisfaction, though the Ukraine study finds happiness itself declines linearly, and the Japanese U-shape appears only for the poorest group. The evidence covers individual countries and measures rather than a universal pattern, and one supporting item is a popular book.

Verdict: CONTESTED PARTIAL · 4 sources for, 1 against · Last checked

The private library was unavailable for some searches in this check. Missing library results are not evidence against the claim.

Evidence for · 4
Happiness in Japan : From the Viewpoint of Age, Sex and Relative Wealthiness
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Happiness in Japan : From the Viewpoint of Age, Sex and Relative Wealthiness. (n.d.). senshu-u.repo.nii.ac.jp. https://senshu-u.repo.nii.ac.jp/records/8031

Evidence against · 1
Linear or U-shaped? Age and subjective well-being in Ukraine
2026
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Linear or U-shaped? Age and subjective well-being in Ukraine. (2026). doi.org. https://doi.org/10.15407/sociology2026.01.128

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More for · 3
Happiness and Self-Determination – An Empirical Study in Japan
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Happiness and Self-Determination – An Empirical Study in Japan. (n.d.). cir.nii.ac.jp. https://cir.nii.ac.jp/crid/1050856995322291584

Born to Be Mild? Cohort Effects Don’t (Fully) Explain Why Well-Being Is U-Shaped in Age
2019
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Born to Be Mild? Cohort Effects Don’t (Fully) Explain Why Well-Being Is U-Shaped in Age. (2019). shs.hal.science. https://shs.hal.science/halshs-02297774v1

Evolving
2024
Get citation
Bailey, J. (2024). Evolving. play.google.com. https://play.google.com/store/books/details?id=rrHbEAAAQBAJ&source=gbs_api

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held for human review17 Oct 2026
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