Federal Institute for Population Research

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Kindergruppe hält eine Weltkugel (refer to: World Population Day: End of Demographic and Health Survey threatens sustainable development worldwide) | Source: © Alistair Berg via Getty Images

Press releaseWorld Population Day: End of Demographic and Health Survey threatens sustainable development worldwide

Cuts in US development funding threaten knowledge about the global population and progress in global health.

Journal ArticlesToday’s high paternal ages at childbirth are not exceptionally high

Willführ, Kai P.; Klüsener, Sebastian (2025)

N-IUSSP

Recently, mean paternal ages at childbirth have risen sharply. This has alarmed researchers from a wide range of fields as offspring of older fathers have higher health risks. However, existing studies lack a long-term perspective. Kai Willführ and Sebastian Klüsener show that in many countries current mean paternal ages at childbirth are not unprecedented.