In the US, your religion is primarily chosen for you at birth. I wouldn't say there's one most popular religion that teens "join" though.
Yes, most of them do. Anime if popular among children and teens.
Myspace.
weed
Oc
There is not really a religion that is the most popular. All religions matter in life and are considered the most popular.
The most popular religion is Christianity, accounting for just about 1/3 of the world's population.
Babysitter
The most popular sites for us teens now are facebook, oovoo, and skype
Islam.
stianity
The most popular religion in Afghanistan is Islam, with the majority of the population practicing Sunni Islam.