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Most of the Portugese population consider themselves Roman Catholic. A large number of these do not actively participate in church activities, though. Approximately 4% identify with various Protestant denominations, and approximately 1% are Muslim. Less than 3% are Atheist.
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 Detail from a Portugese church window |  Interior of a Portugese church |  Window of a Lisbon church |
 São Roque church on the Azores |  Colorful window of a Lisbon church |  Interior of a Lisbon church |
 View over Graça Church |  Church tower in Lisbon |  Jerónimos Monastery in Belém |