Trinidad and Tobago is 12 times larger than Barbados.
Area: 430 km2 World Factbook
Population: 289,680 (July 2014) World Factbook
Barbados is a sovereign island country in the Lesser Antilles. It is 34 kilometres in length and up to 23 kilometres in width, covering an area of 432 square kilometres. Wikipedia
Area: 5,128 km2 World Factbook
Population: 1,223,916 (July 2014) World Factbook
Trinidad and Tobago, officially the Republic of Trinidad and Tobago, is a twin island country off the northern edge of South America, lying just off the coast of northeastern Venezuela and south of Grenada in the Lesser Antilles. Wikipedia