Central America - Demographics - Religious groups

The predominant religion in Central America is Christianity (95.6%).[33] Beginning with the Spanish colonization of Central America in the 16th century, Roman Catholicism became the most popular religion in the region until the first half of the 20th century. Since the 1960s, there has been an increase in other Christian groups, particularly Protestantism, as well as other religious organizations, and individuals identifying themselves as having no religion.

Reference 1: Belize, Costa Rica, El Salvador, Guatemala, Honduras, Nicaragua and Panama.

Reference 2: % Roman Catholicism (2010), % Protestantism (2010) and % Non-affiliated (2010).

Source: http://en.wikipedia.org/wiki/Central_America