Henri Leridon
Henri Leridon

French Institute for Demographic Studies (INED), Paris, France

Effects of first birth postponement and assisted reproductive technology on completed fertility
Effets du report de la première naissance et des techniques de procréation assistée sur la descendance finale

Henri Leridon
first birth

Two forces with a contrasting impact on fertility have typically been overestimated in both scientific writing and the popular press. A marked postponement of fertility (by four years of age) causes fertility to decline by only about 0.2 children
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Des projections démographiques jusqu’en 2100… Est-ce bien raisonnable?
Demographic projections up to 2100 … Do they make sense?

Henri Leridon
arrow made with people

En économie, il est rare que l’on se hasarde à des prévisions au-delà de quelques années. Il n’y a guère que les climatologues pour faire tourner des modèles sur 100 ans
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