Alaska is about 1.2 times bigger than Angola.

Angola is approximately 1,246,700 sq km, while Alaska is approximately 1,481,348 sq km, making Alaska 19% larger than Angola. Meanwhile, the population of Angola is ~34.8 million people (34.1 million fewer people live in Alaska).
Tip: This to-scale comparison of Angola vs. Alaska uses the Mercator projection, which distorts the size of regions near the poles.