The United States had the most Christians in 2020, 217 million, 26 million fewer than in 2010; DR Congo and Nigeria gained the most
Source. Pew Research Center, Religious Composition by Country, 2010–2020, rounded counts.
Method and data
Method. Rounded counts as published.
| Country | Christians, 2020 | Christians, 2010 |
|---|---|---|
| United States | 217,270,000 | 243,500,000 |
| Brazil | 168,300,000 | 172,700,000 |
| Mexico | 113,070,000 | 107,960,000 |
| Philippines | 102,510,000 | 88,410,000 |
| Russia | 102,350,000 | 110,960,000 |
| Nigeria | 92,770,000 | 73,980,000 |
| Democratic Republic of the Congo | 92,400,000 | 66,160,000 |
| Ethiopia | 73,230,000 | 56,640,000 |
| South Africa | 51,630,000 | 44,140,000 |
| Italy | 48,210,000 | 53,240,000 |
