Ireland is about 3.5 times smaller than United Kingdom.

United Kingdom is approximately 243,610 sq km, while Ireland is approximately 70,273 sq km, making Ireland 28.85% the size of United Kingdom. Meanwhile, the population of United Kingdom is ~65.8 million people (60.6 million fewer people live in Ireland).

This to-scale map shows a size comparison of United Kingdom compared to Ireland. For more details, see an in-depth quality of life comparison of Ireland vs. United Kingdom using our country comparison tool.

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