Sweden is about 4.1 times smaller than Sudan.

Sudan is approximately 1,861,484 sq km, while Sweden is approximately 450,295 sq km, making Sweden 24.19% the size of Sudan. Meanwhile, the population of Sudan is ~51.7 million people (41.1 million fewer people live in Sweden).
Tip: This to-scale comparison of Sudan vs. Sweden uses the Mercator projection, which distorts the size of regions near the poles.
Our free app, MapSize by MyLifeElsewhere — compare any two places, to scale on your mobile device.