It's not an either-or question. Catholic and Christian are not the only religions. This question is very insensitive and biased.

I am an atheist.

The difference between Catholics and christians is the ignorance many protestants have with Catholics. Catholics are christians, it's just many protestant sects do not accept them as christian. However there are some protestant sects that do not accept any other sect as "true" christians, other than their own, Jehovah's Witnesses, Iglesia ni Christo, and so … Read more