Falkland Islands (Islas Malvinas) is about 12 times smaller than Illinois.

Illinois is approximately 143,961 sq km, while Falkland Islands (Islas Malvinas) is approximately 12,173 sq km, making Falkland Islands (Islas Malvinas) 8.46% the size of Illinois. Meanwhile, the population of Illinois is ~12.8 million people (12.8 million fewer people live in Falkland Islands (Islas Malvinas)).
Tip: This to-scale comparison of Illinois vs. Falkland Islands (Islas Malvinas) uses the Mercator projection, which distorts the size of regions near the poles.