Monday, August 02, 2021

What percent of Americans under 40 are Christians?

 A follower on Twitter indicated that he is not Christian and wondered what percent of Americans under 40 are. Well, you know I'm a sucker for that kind of question. The General Social Survey asked people about their religious affiliation in 2018--the latest published data. Here are the results: 














If we add up the numbers for Christians, we get 59%, and it's probably closer to 60% since I did not include "Other", which, for example, probably includes quite a few Mormons, who consider themselves Christians and restorationists, not Protestants. If we we create a table with adults 40 and over we get this:














Added up, 78.2% of older Americans are Christians, so the percentage among young people is dramatically lower. It's not a coincidence that many young people also favor socialism.  

How strongly does religiosity predict fertility?

The total fertility rate in the US has fallen to 1.7.  That means the average woman will have fewer than two children, not enough to replace...