Venezuela is 4.2 times larger than Guyana.
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: 912,050 km2 World Factbook
Population: 28,868,486 (July 2014) World Factbook
Venezuela, officially called the Bolivarian Republic of Venezuela, is a country on the northern coast of South America. Venezuela's territory covers around 916,445 square kilometres with an estimated population of approximately 29,100,000. Wikipedia