Key facts about recent trends in global migration
The number of international migrants grew to 281 million in 2020; 3.6% of the world’s people lived outside their country of birth that year.
Household size and composition often vary by religious affiliation, data from 130 countries and territories reveals. Muslims and Hindus have larger households than Christians and religious “nones,” influenced in part by regional norms.
Concentrated in Europe, Orthodox Christians have declined as share of the global Christian population, from 20% in 1910 to 12% today. But the Ethiopian community is highly observant and growing.
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