Taiwan is about 2.2 times bigger than Hawaii.

Hawaii is approximately 16,635 sq km, while Taiwan is approximately 35,980 sq km, making Taiwan 116% larger than Hawaii. Meanwhile, the population of Hawaii is ~1.4 million people (22.2 million more people live in Taiwan).
Tip: This to-scale comparison of Hawaii vs. Taiwan uses the Mercator projection, which distorts the size of regions near the poles.