Puerto Rico is 31 times larger than Curaçao.
Area: 444 km2 World Factbook
Population: 146,836 (July 2013) World Factbook
Curaçao is an island in the southern Caribbean Sea, off the Venezuelan coast, that forms part of the Dutch Caribbean. The Country of Curaçao, which includes the main island and the small, uninhabited island of Klein Curaçao, is a constituent country of the Kingdom of the Netherlands. Wikipedia
Area: 13,790 km2 World Factbook
Population: 3,620,897 (July 2014) World Factbook
Puerto Rico, officially the Commonwealth of Puerto Rico, is an unincorporated territory of the United States, located in the northeastern Caribbean east of the Dominican Republic and west of both the United States Virgin Islands and the British Virgin Islands. Wikipedia