A recent study in The Lancet highlights the global decline in fertility, with more than half of countries below replacement level.
According to the Global Burden of Disease, funded by the Gates Foundation, this trend could lead to a demographic deficit in three-quarters of countries by 2050, and almost all by 2100. Developing countries, particularly in sub-Saharan Africa, could see their population grow, while developed countries experience a decline. This demographic change could have significant economic and social repercussions.
In this context, voices like that of the French president are calling for demographic action. However, the WHO recommends treating this data with caution, pointing out methodological shortcomings and suggesting that fertility decline can have positive and negative consequences, with no obvious solution to influence these trends.
Sophie de Duiéry
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