Christianity.
A:There is no one religion in Europe, and probably no one correct religion in Europe. I believe the most correct thing that can be said is that religion in Europe is in decline.
Christianity is the biggest religion in Europe, but there are many religions in Europe.
Christianity is the oldest religion in Europe.
Christianity is the most widely practiced religion in Europe
Islam is currently the fastest growing religion in Europe.
The fastest growing religion in Europe is Islam but is due to births and not necessarily to conversions.
Islam is the fastest-growing religion in modern Europe.
No, Buddhism is not the fastest growing religion in Europe, according to several sources.
No, Buddhism is not the fastest growing religion in Europe, according to several sources.
Albania is the only country in Europe to have Islam as its dominant religion.
The fastest growing religion in Europe is Islam but is due to births and not necessarily to conversions.