Fiji is about 81 times smaller than Alaska.

Alaska is approximately 1,481,348 sq km, while Fiji is approximately 18,274 sq km, making Fiji 1.23% the size of Alaska. Meanwhile, the population of Alaska is ~710,231 people (233,506 more people live in Fiji).
Tip: This to-scale comparison of Alaska vs. Fiji uses the Mercator projection, which distorts the size of regions near the poles.