Serbia is 3 times larger than Macedonia.
Area: 25,433 km2 World Factbook
Population: 2,091,719 (July 2014) World Factbook
Macedonia, officially the Republic of Macedonia, is a country located in the central Balkan peninsula in Southeast Europe. It is one of the successor states of the former Yugoslavia, from which it declared independence in 1991. Wikipedia
Area: 77,474 km2 World Factbook
Population: 7,209,764 (July 2014) World Factbook
Serbia, officially the Republic of Serbia, is a country located at the crossroads of Central and Southeast Europe, covering the southern part of the Pannonian Plain and the central Balkans. Wikipedia