Puerto Rico is 15 times larger than Turks and Caicos Is..
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
Area: 948 km2 World Factbook
Population: 49,070 (July 2014) World Factbook
The Turks and Caicos Islands are a British Overseas Territory consisting of the larger Caicos Islands and smaller Turks Islands, two groups of tropical islands in the Lucayan Archipelago, part of the larger Antilles island grouping. Wikipedia