Rhode Island (USA) is 31% larger than Mauritius.
Area: 2,040 km2 World Factbook
Population: 1,331,155 (July 2014) World Factbook
Mauritius, officially the Republic of Mauritius, is an island nation in the Indian Ocean about 2,000 kilometres off the southeast coast of the African continent. The country includes the island of Mauritius, Rodrigues, the islands of Agalega and the archipelago of Saint Brandon. Wikipedia
Rhode Island, officially the State of Rhode Island and Providence Plantations, is a state in the New England region of the United States. Rhode Island is the smallest in area, the eighth least populous, but the second most densely populated of the 50 US states behind New Jersey. Wikipedia