What is the population of Ireland?

The Republic of Ireland has a population of about 4,470,700 residents.

Northern Ireland has a population of about 1,775,000 residents.

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Update (2013/14): About 6.45 million in the whole island (4.6m in the Republic and 1.85m in Northern Ireland).

The Republic of Ireland has a population of about 4,470,700 residents.

Northern Ireland has a population of about 1,775,000 residents.