Iran is 3.8 times larger than Iraq.
Area: 1,648,195 km2 World Factbook
Population: 80,840,713 (July 2014) World Factbook
Iran, also known as Persia, officially the Islamic Republic of Iran, is a country in Western Asia. Wikipedia
Area: 438,317 km2 World Factbook
Population: 32,585,692 (July 2014) World Factbook
Iraq, officially the Republic of Iraq, is a country in the Middle East that borders Turkey to the north, Iran to the east, Kuwait to the southeast, Saudi Arabia to the south, Jordan to the southwest, and Syria to the west. The capital, Baghdad, is in the center of the country. Wikipedia