As far as 2 goes: As far as churches go. The type of church matters a lot. If you go to a Universalist Unitarian, or progressive Lutheran Church, yeah itll probably be 80+. Evangelical/Baptist, Latter Day Saints, Orthodox, Catholic (more traditional parishes) all are significantly younger. The more conservative the denomination the younger the congregation. The more liberal, the older they are. With conservative/liberal being adherence to scripture. This also tracks to Judaism, with Reformed Synagogues being much older than Orthodox. I am not sure and haven't seen numbers of Islam, Buddhism, etc. i the US.

For 4: You don't really have to be good for like a rec league kickball, or beer league golf. Gyms are better if youre doing classes though I think, like BJJ or wrestling.

> The more liberal, the older they are. With conservative/liberal being adherence to scripture... The more liberal, the older they are. With conservative/liberal being adherence to scripture.

And yet many young Evangelicals have deconstructed and dropped out of those conservative congregations over the last 20 years or so. They couldn't bridge the cognitive gap between the conservative political stance of their church and what they read in the bible.