Zambia is about 2 times smaller than Alaska.

Alaska is approximately 1,481,348 sq km, while Zambia is approximately 752,618 sq km, making Zambia 50.81% the size of Alaska. Meanwhile, the population of Alaska is ~710,231 people (18.9 million more people live in Zambia).
Tip: This to-scale comparison of Alaska vs. Zambia uses the Mercator projection, which distorts the size of regions near the poles.