Religions and Fertility in the US - GSS-Data

There are many high-fertile religious communities out there - as, for example, the Old Order Amish. Other religious groups, as the Shakers, who didn't manage (or chose) to have enough children, succumbed to (bio-)cultural evolution. In contrast, we still don't know about a single, non-religious population, movement or group that was able to retain more than two births per woman (the so-called replacement level) throughout subsequent generations. This is relevant from a sociocultural perspective: Secularization is taking place (especially among wealthy and secure populations) - but running into demographic dead ends, followed by religious-demographic revivals (through births and immigration). And it is relevant from the perspective of evolutionary studies: Intergenerational reproductive success is "the" benchmark of evolutionary fitness, promoting biocultural traits as speech, musicality - or religiosity. (More)

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