Top Countries with the Largest Christian Populations

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Top Countries with the Largest Christian Populations in 2025

1. United States Dominates as the Leader

The United States continues to hold the top spot with approximately 219 million Christians. This vast population includes a diverse mix of denominations, from Evangelicals and Catholics to mainline Protestants. The influence of Christianity is deeply ingrained in American culture, history, and societal values, making it a significant demographic in religious studies and global Christianity trends.

2. Brazil’s Massive Christian Community

Brazil remains second with around 169 million Christians. The country’s religious landscape is predominantly Catholic, but Evangelical and Pentecostal movements have experienced rapid growth over the past decade, shaping Brazil’s religious identity and societal dynamics immensely.

3. Mexico’s Devout Faith Population

With approximately 118 million Christians, Mexico hosts one of the largest Catholic populations in the world. The Catholic faith influences Mexican culture profoundly, from festivals like Día de los Muertos to everyday community practices, making religion a cornerstone of national identity.

4. Nigeria’s Rapidly Growing Christian Numbers

Nigeria boasts about 109 million Christians, making it Africa’s largest Christian nation. An increasing number of converts and the expansion of Pentecostal denominations highlight the country’s dynamic religious landscape. Christianity plays a vital role in social and political life across Nigeria.

5. Democratic Republic of the Congo’s Faithful Majority

The DRC has around 105 million Christians. Christianity here is predominantly Protestant and Catholic, with religious organizations actively involved in education, healthcare, and peacebuilding efforts amid ongoing socio-political challenges.

6. The Philippines’ Faithful Majority

At least 100 million Filipinos identify as Christian, predominantly Catholic. The influence of religion permeates Filipino culture, with colorful festivals, processions, and a widespread faith-based community.

7. Ethiopia’s Expanding Christian Population

Ethiopia has grown to about 91 million Christians, mostly Ethiopian Orthodox, which intertwines with the country’s local traditions and history, making Ethiopia one of the oldest Christian nations in Africa.

8. China’s Surprising Christian Surge

Although officially a secular state, China has approximately 72 million Christians, both registered and underground believers. Rapid growth fueled by house churches and evangelism has led to Christianity becoming one of the fastest-growing religions there.

9. South Africa’s Religious Landscape

South Africa is home to roughly 56 million Christians, representing a mix of Protestant, Catholic, and Independent churches. Christianity significantly influences culture, politics, and social initiatives across the nation.

10. Kenya’s Faithful Majority

With about 49 million Christians, Kenya’s religious identity is predominantly Christian, with a vibrant Protestant community and significant Catholic populations catalyzing community development and social resilience.

11. Italy’s Catholic Heritage

Italy retains a strong Catholic presence with around 48 million believers, deeply rooted in history and society. Vatican City’s proximity and influence add to Italy’s religious significance globally.

12. Tanzania’s Growing Christian Demographics

Approximately 45 million Tanzanians identify as Christian. Christianity in Tanzania is diverse, including Catholics, Protestants, and newer evangelical movements, shaping social attitudes and politics.

13. Colombia’s Religious Roots

Colombia has around 44 million Christians. Catholicism is dominant, and religious festivals and traditions are integral to Colombian culture.

14. Uganda’s Religious Vibrancy

Approximately 43 million Ugandans are Christians, with Pentecostal and Anglican churches thriving, influencing education, social services, and community development.

15. The UK’s Changing Religious Scene

The United Kingdom supports about 41 million Christians, though secularism and religious diversification have shifted the religious landscape in recent years.

16. Germany’s Christian Foundations

Germany remains home to roughly 40 million Christians, with a large membership in Lutheran and Catholic churches, influencing European religious discourse significantly.

17. Ukraine’s Religious Resilience

Amid geopolitical challenges, Ukraine maintains approximately 37 million Christians, mainly Orthodox, emphasizing religious resilience amid conflict.

18. Argentina’s Catholic Heart

Argentina counts around 36 million Christians, with Catholic traditions shaping customs, holidays, and daily life.

19. India’s Christian Minority

With approximately 34 million Christians, primarily in the southern states, India’s Christian community enriches the country’s diverse religious fabric.

20. France’s Secular Yet Faithful

France’s Christian population is around 33 million, deeply intertwined with history, culture, and social life, even amid rising secularism.

21. Poland’s Faithful Nation

Poland maintains about 33 million Christians, notably Roman Catholic, with religion playing an active role in national identity and politics.

22. Russia’s Orthodox Roots

Russia holds approximately 32 million Orthodox Christians, integral to national identity and cultural heritage.

23. Angola’s Faithful Majority

With 31 million Christians, Angola’s religious scene is vibrant, with growing Pentecostal churches influencing community life.

24. Peru’s Religious Traditions

Peru’s 31 million Christians primarily practice Catholicism, intertwined with indigenous traditions and local festivals.

25. Indonesia’s Christian Minority

Although predominantly Muslim, Indonesia has a Christian population of approximately 30 million, mainly in Papua and parts of Sulawesi, contributing to Indonesia’s religious diversity.