Understanding how population trends are likely to unfold in the short, medium and long terms is critical for achieving a more inclusive, prosperous and sustainable future as recognized in the Declaration on Future Generations. This policy brief provides an overview of some of the main findings of the recently released report, World Population Prospects 2024: Summary of Results (United Nations, 2024a) with the aim of helping countries prepare for population sizes, age structures and spatial distributions that may differ appreciably from those of their recent past.

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