Immigration

As of 2025, of the known countries of birth of 5,609,109 residents, the most numerous are: Italy (4,961,224 - 88.4%), Romania (158,002 - 2.8%), Bangladesh (44,319 - 0.8%), Philippines (37,472 - 0.7%), India (32,282 - 0.6%).

Largest cities

Economy

Agriculture, crafts, animal husbandry and fishery are the main traditional sources

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