The countries with the highest population of christians have been ranked. This represents 28.8% of the world's population. Uruguay became the only country in the americas without a christian majority by 2020, with 52% of its population identifying as religiously unaffiliated and only 44% as christian.
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Once shaped by a strong catholic presence, it became in 2020 the only country in the americas where a majority of the population—52 percent—claimed no religious affiliation at all. While most countries still boast christian majorities, there was a noteworthy decline from 2010 to 2020, according to data just published by the pew research center, which found the u.k.,. It is now home to nearly 1.2 billion people.
Christians made up 2.3 billion of the worldwide population of about 8 billion people in 2020 according to a 2025 pew research center study.
However, christianity is also practiced on a. Millions of christians across the globe have been leaving the religion in recent years, resulting in the number of christians in many countries dropping in the last decade, pew research. Christianity is the predominant religion in europe, russia, north america, south america, parts of africa, timor leste, the philippines, and much of oceania. Between 2010 and 2020, christians lost their majority status in the united kingdom (where they made up 49% of the population as of 2020), australia (47%), france (46%) and uruguay.
China, india, pakistan, bangladesh, afghanistan and algeria have the lowest numbers of christians.
