Biggest Religions in the World - 1800 - 2050

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First published: Sunday May 10th, 2026

This chart shows the % of the world adhering to different religions, from the years 1800 to 2050.

Figures for 2050 are projections

Sources: 1 (.pdf download), 2

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Year	Christianity	Islam	Hinduism	Buddhism	Chinese Folk Religions	Ethnoreligions	Sikhism	Judaism	New Religious Movements	Unaffiliated
1800	22.68	10.01	11.95	7.68	34.31	10.18	0.2	1	0	0.03
1900	34.47	12.37	12.53	7.84	23.46	7.24	0.18	0.72	0.37	0.2
1970	32.91	15.54	12.65	6.32	6.45	4.64	0.29	0.38	1.07	19.17
2000	32.33	21.14	13.72	7.29	6.84	3.67	0.35	0.21	1.03	12.73
2020	32.13	24.2	13.91	6.77	5.78	3.68	0.37	0.19	0.86	11.46
2025	32.29	25.17	13.78	6.57	5.47	3.6	0.38	0.19	0.83	11.07
2050	34.11	29.46	12.83	5.49	4.05	3.16	0.43	0.18	0.67	8.93

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