This article aims to present statistical information on the number of adherents to various religions, including major faiths such as christianity, islam, hinduism, buddhism, and others, as well as smaller religious communities However, christianity may experience the largest net losses in terms of religious conversion, according to expectations This is an overview of religion by country or territory in 2020 according to a 2025 pew research center report
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[1] the article religious information by country gives information from the world factbook of the cia and the u.s
According to a pew estimation in 2025, christians made up to 2.26 billion of the worldwide population of about 8 billion people
In 2025, the world christian database reported 1.272 billion catholics Countries by total number of catholics (2010) The world 's principal religions and spiritual traditions may be classified into a small number of major groups, though this is not a uniform practice. World muslim population by percentage (pew research center, 2014) in 1900, muslims only numbered 200 million followers or 12% of the world population
This percentage increased over the last 100 years due to higher birth rate in muslim majority countries and reached about 25 % or 2 billions in 2025 [1][2] pew research have estimated the number will be around 2.2 billion in 2030 and 2.8. According to a 2012 pew research center survey, christianity will remain the world's largest religion throughout the next four decades
