Country size comparison

compared to

Slovenia is about 7 times smaller than Illinois.

Illinois is approximately 143,961 sq km, while Slovenia is approximately 20,273 sq km, making Slovenia 14.08% the size of Illinois. Meanwhile, the population of Illinois is ~12.8 million people (10.7 million fewer people live in Slovenia).
Tip: This to-scale comparison of Illinois vs. Slovenia uses the Mercator projection, which distorts the size of regions near the poles.
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Cost of Living Comparison · 7 categories - 2026 data
Illinois is 51.4% more expensive than Slovenia overall
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