The dominant religion in most of Latin America is Catholicism.
The dominate one in Latin America is Roman Catholicism(50%). 42% percent Protestant. 8% percent(atheist, agnostic, and other Indian beliefs) *CIA world fact book
Roman Catholicism is the most common religion practiced among Latin American people.
Roman Catholic
Roman Catholic is the major religion in Latin America. Approximately 88.6% of Latin Americas population are roman catholics.