Singapore is 3.9 times larger than Aruba.
Area: 180 km2 World Factbook
Population: 110,663 (July 2014) World Factbook
Aruba is an island 33 kilometres long; it is located about 1,600 kilometres west of the Lesser Antilles in the southern Caribbean Sea and 27 kilometres north of the coast of Venezuela. Together with Bonaire and Curaçao, it forms a group referred to as the ABC islands. Wikipedia
Area: 697 km2 World Factbook
Population: 5,567,301 (July 2014) World Factbook
Singapore, officially the Republic of Singapore, is a sovereign city-state and island country in Southeast Asia. It lies off the southern tip of the Malay Peninsula and is 137 kilometres north of the equator. Wikipedia