Algeria is 21 times larger than Benin.
Area: 112,622 km2 World Factbook
Population: 10,160,556 (July 2014) World Factbook
Benin, officially the Republic of Benin, is a country in West Africa. It is bordered by Togo to the west, by Nigeria to the east and by Burkina Faso and Niger to the north. Wikipedia
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