Alabama is about 3.6 times bigger than Guinea-Bissau.

Guinea-Bissau is approximately 36,125 sq km, while Alabama is approximately 131,426 sq km, making Alabama 264% larger than Guinea-Bissau. Meanwhile, the population of Guinea-Bissau is ~2.0 million people (2.8 million more people live in Alabama).
Tip: This to-scale comparison of Guinea-Bissau vs. Alabama uses the Mercator projection, which distorts the size of regions near the poles.