Panama is 4 times larger than New Jersey (USA).
Area: 75,420 km2 World Factbook
Population: 3,608,431 (July 2014) World Factbook
Panama, officially the Republic of Panama, is the southernmost country of Central America and the whole of North America. 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