Algeria is 7.2 times larger than Vietnam.
Area: 2,381,741 km2 World Factbook
Population: 38,813,722 (July 2014) World Factbook
Algeria, officially People's Democratic Republic of Algeria, is a country in the Maghreb region of North Africa on the Mediterranean coast. Its capital and most populous city is Algiers. Wikipedia
Area: 331,210 km2 World Factbook
Population: 93,421,835 (July 2014) World Factbook
Vietnam, officially the Socialist Republic of Vietnam, is the easternmost country on the Indochina Peninsula in Southeast Asia. With an estimated 90.0 million inhabitants as of 2013, it is the world's 13th-most-populous country, and the eighth-most-populous Asian country. Wikipedia