Direct answer · reviewed September 2026

Which country has the most Christians?

The United States has the largest Christian population in the world — roughly 211 million people, about 62% of its population. Brazil, Mexico and Nigeria follow. Most of the world's largest Christian populations are now in the Global South.

United States~211 million
Brazil~180 million
Mexico~117 million
Nigeria~106 million
01

The ten largest Christian populations

Calculated from each nation's population and Christian share as profiled on this site. Neighbouring places in the ranking are within the margin of error between sources, so treat the order as approximate.

Largest Christian populations among the 50 nations profiled
RankNationChristians (est.)Christian shareEvangelical
1United States211 million62%25%
2Brazil180 million85%26%
3Mexico117 million89%9%
4Nigeria106 million46%28%
5Philippines104 million90%12%
6DR Congo102 million93%20%
7Russia102 million71%1%
8China99 million7%6%
9Ethiopia85 million65%20%
10South Africa50 million80%20%
02

Size is not the same as strength

A large Christian population does not always mean a vibrant church. Russia has a large Christian identity but an evangelical share under five percent — which is why this site marks some heavily Christian nations as less-reached.

FAQ

Related questions

Which country has the highest percentage of Christians?

Among the nations profiled here, DR Congo and Rwanda have the highest Christian share, at about 93%.

Which African country has the most Christians?

Nigeria, with roughly 106 million Christians.