Country size comparison
Peru is about 9 times bigger than Illinois.
Illinois is approximately 143,961 sq km, while Peru is approximately 1,285,216 sq km, making Peru 793% larger than Illinois. Meanwhile, the population of Illinois is ~12.8 million people (19.4 million more people live in Peru).
This to-scale comparison of Illinois vs. Peru uses the Mercator projection, which distorts the size of regions near the poles. Learn more. Note: Try dragging the outline to reposition.