Belgium is 60% larger than New Jersey (USA).
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
New Jersey is a state in the Northeastern and Middle Atlantic regions of the United States. It is bordered on the north and east by New York State, on the southeast and south by the Atlantic Ocean, on the west by Pennsylvania, and on the southwest by Delaware. Wikipedia