Country size comparison

compared to

Illinois is about 1.4 times smaller than Senegal.

Senegal is approximately 196,722 sq km, while Illinois is approximately 143,961 sq km, making Illinois 73.18% the size of Senegal. Meanwhile, the population of Senegal is ~17.9 million people (5.1 million fewer people live in Illinois).
Tip: This to-scale comparison of Senegal vs. Illinois uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Illinois vs. Senegal

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Quality of Life Comparison · 4 statistics
Make 93.8% less money in Senegal
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Cost of Living Comparison · 7 categories - 2026 data
Senegal is 23.5% cheaper than Illinois
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