Portugal is about 16 times smaller than Alaska.

Alaska is approximately 1,481,348 sq km, while Portugal is approximately 92,090 sq km, making Portugal 6.22% the size of Alaska. Meanwhile, the population of Alaska is ~710,231 people (9.5 million more people live in Portugal).
Tip: This to-scale comparison of Alaska vs. Portugal uses the Mercator projection, which distorts the size of regions near the poles.