New Jersey (USA) is 6.9% larger than Kuwait.
Area: 17,818 km2 World Factbook
Population: 2,742,711 (July 2014) World Factbook
Kuwait, officially the State of Kuwait, is an Arab country in Western Asia. Situated in the northern edge of Eastern Arabia at the tip of the Persian Gulf, it shares borders with Iraq and Saudi Arabia. As of 2013, Kuwait has a population of 4 million. 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