Peru is 12 times larger than Guatemala.
Area: 108,889 km2 World Factbook
Population: 14,647,083 (July 2014) World Factbook
Guatemala, officially the Republic of Guatemala, is a country in Central America bordered by Mexico to the north and west, the Pacific Ocean to the southwest, Belize to the northeast, the Caribbean to the east, Honduras to the east and El Salvador to the southeast. Wikipedia
Area: 1,285,216 km2 World Factbook
Population: 30,147,935 (July 2014) World Factbook
Peru, officially the Republic of Peru, is a country in western South America. It is bordered in the north by Ecuador and Colombia, in the east by Brazil, in the southeast by Bolivia, in the south by Chile, and in the west by the Pacific Ocean. Wikipedia