Louisiana is about 1.4 times bigger than United Arab Emirates.

United Arab Emirates is approximately 83,600 sq km, while Louisiana is approximately 112,825 sq km, making Louisiana 35% larger than United Arab Emirates. Meanwhile, the population of United Arab Emirates is ~9.9 million people (5.4 million fewer people live in Louisiana).
Tip: This to-scale comparison of United Arab Emirates vs. Louisiana uses the Mercator projection, which distorts the size of regions near the poles.