Guyana is 31% larger than Suriname.
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
Area: 163,820 km2 World Factbook
Population: 573,311 (July 2014) World Factbook
Suriname, officially known as the Republic of Suriname, is a country on the northeastern Atlantic coast of South America. It is bordered by French Guiana to the east, Guyana to the west and Brazil to the south. Suriname was colonized by the English and the Dutch in the 17th century. Wikipedia