Guyana is 500 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: 214,969 km2 World Factbook
Population: 735,554 (July 2014) World Factbook
Guyana, officially the Co-operative Republic of Guyana, is a sovereign state on the northern coast of South America. Although Guyana is part of the Anglophone Caribbean, it is one of the few Caribbean countries that is not an island. Wikipedia