This has only been true generally in the West since ~1800 or so. Charles Darwin had fewer grandchildren than children. It’s also not universally true even in th

This has only been true generally in the West since ~1800 or so. Charles Darwin had fewer grandchildren than children. It’s also not universally true even in the West. Sub populations with higher fertility for the wealthy exist, Mormons and Hasidim for two. Culture beats biology, see Hutterites and the Amish in the US.