The countries with the 10 largest Christian populations and the 10 largest Muslim populations
The global Muslim population is more concentrated in Islam’s main population centers than the global Christian population is for Christianity.
Giving a share of one’s income to the church has been a part of European tradition for centuries. Today, several countries continue to collect a “church tax” on behalf of officially recognized religious organizations, in some cases levying the tax on all registered members.
The European continent today is split in public attitudes toward religion, minorities and social issues such as gay marriage and legal abortion.
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