“Religious people have more babies than non-believers–and not just for the obvious reasons…

Mary Eberstadt, a research fellow at the Hoover Institution in Stanford, California, has suggested several ways in which the experience of forming a family might stimulate religious feelings among parents, at least some of the time. She notes that pregnancy and birth, the business of caring for children, and the horror of contemplating their death, can stimulate an intensity of purpose that might make parents more open to religious sentiments. Many common family events, she reasons, might encourage a broadly spiritual turn of mind, from selfless care for a sick relation to sacrifices for the sake of a child’s adulthood that one might never see.

Eberstadt argues that part of the reason why western European Christians have become more secular is that they have been forming fewer stable families, and having fewer children when they do. This, she suggests, may help to explain some puzzles about the timing of secularisation in certain places. In Ireland, for example, she notes that people started having smaller families before they stopped going to church …