Sweden is about 40 times bigger than Gambia.

Gambia is approximately 11,300 sq km, while Sweden is approximately 450,295 sq km, making Sweden 3,885% larger than Gambia. Meanwhile, the population of Gambia is ~2.8 million people (7.8 million more people live in Sweden).
Tip: This to-scale comparison of Gambia 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.