Belgium is 33% larger than Belize.
Area: 30,528 km2 World Factbook
Population: 10,449,361 (July 2014) World Factbook
Belgium, officially the Kingdom of Belgium, is a federal monarchy in Western Europe. It is a founding member of the European Union and hosts the EU's headquarters as well as those of several other major international organisations such as NATO. Wikipedia
Area: 22,966 km2 World Factbook
Population: 340,844 (July 2014) World Factbook
Belize is a country on the northeastern coast of Central America. It is the only country in the area that has English as its official language; Belizean Creole and Spanish are also commonly spoken. Wikipedia