Uruguay is 13 times larger than Puerto Rico.
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: 176,215 km2 World Factbook
Population: 3,332,972 (July 2014) World Factbook
Uruguay, EWR-ə-gwy; officially the Oriental Republic of Uruguay or the Eastern Republic of Uruguay or the Republic East of the Uruguay, is a country in the southeastern region of South America. Wikipedia