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.
Using the 2011 census, 78.9% of the population of Ireland is adult. That totals to 3,620,131 adults in Ireland.
The population of Tesco Ireland is 13,500.
The population of Bank of Ireland is 15,868.
Intel Ireland's population is 4,500.
The population of Tesco Ireland is 2,008.
The population of Church of Ireland is 365,000.
County Leitrim has the smallest population in Ireland.
New Ireland Province's population is 118,350.
Halifax - Ireland -'s population is 750.
Northern Ireland Electricity's population is 2,006.
The population of Aviva Group Ireland is 110.
Aviva Group Ireland's population is 2,008.
In fact, the population of Ireland is not very big at all in terms of total population and density. If you think the population of Ireland is big, it might be that Ireland has a large area. In terms of contrast, your country's population might be small.