Alaska is about 1.2 times bigger than Mali.

Mali is approximately 1,240,192 sq km, while Alaska is approximately 1,481,348 sq km, making Alaska 19% larger than Mali. Meanwhile, the population of Mali is ~20.7 million people (20.0 million fewer people live in Alaska).
Tip: This to-scale comparison of Mali vs. Alaska uses the Mercator projection, which distorts the size of regions near the poles.