Macau is about 52,530 times smaller than Alaska.

Alaska is approximately 1,481,348 sq km, while Macau is approximately 28 sq km, making Macau 0.0% the size of Alaska. Meanwhile, the population of Alaska is ~710,231 people (74,938 fewer people live in Macau).
Tip: This to-scale comparison of Alaska vs. Macau uses the Mercator projection, which distorts the size of regions near the poles.