Nicaragua is 379 times larger than Grenada.
Area: 344 km2 World Factbook
Population: 110,152 (July 2014) World Factbook
Grenada is an island country consisting of the island of Grenada and six smaller islands at the southern end of the Grenadines in the southeastern Caribbean Sea. Grenada is located northwest of Trinidad and Tobago, northeast of Venezuela, and southwest of Saint Vincent and the Grenadines. Wikipedia
Area: 130,370 km2 World Factbook
Population: 5,848,641 (July 2014) World Factbook
Nicaragua, officially the Republic of Nicaragua, is the largest country in the Central American isthmus, bordering Honduras to the north and Costa Rica to the south. Wikipedia