Alaska is about 1.4 times bigger than Bolivia.

Bolivia is approximately 1,098,581 sq km, while Alaska is approximately 1,481,348 sq km, making Alaska 35% larger than Bolivia. Meanwhile, the population of Bolivia is ~12.1 million people (11.3 million fewer people live in Alaska).
Tip: This to-scale comparison of Bolivia vs. Alaska uses the Mercator projection, which distorts the size of regions near the poles.