Country size comparison
compared to
Illinois is about 2 times bigger than Sierra Leone.
Sierra Leone is approximately 71,740 sq km, while Illinois is approximately 143,961 sq km, making Illinois 101% larger than Sierra Leone. Meanwhile, the population of Sierra Leone is ~8.7 million people (4.1 million more people live in Illinois).
Tip:
This to-scale comparison of
Sierra Leone
vs.
Illinois
uses the Mercator projection, which distorts the size of regions near the poles.
Try dragging the outline to reposition.
Compare further: Illinois vs. Sierra Leone
Flip Comparison · See true size
See Illinois on top of Sierra Leone
→
Quality of Life Comparison · 4 statistics
Make 97.6% less money in Sierra Leone
→
Cost of Living Comparison · 6 categories - 2026 data
Sierra Leone is 34.2% cheaper than Illinois
→
Moving from Illinois to Sierra Leone · Cost, visas & climate
Compare cost of living, salary and climate.
→
Our free app, MapSize by MyLifeElsewhere — compare any two places, to scale on your mobile device.