Slovenia is about 12 times smaller than United Kingdom.

United Kingdom is approximately 243,610 sq km, while Slovenia is approximately 20,273 sq km, making Slovenia 8.32% the size of United Kingdom. Meanwhile, the population of United Kingdom is ~65.8 million people (63.7 million fewer people live in Slovenia).

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

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