Russia is 19 times larger than Nigeria.
Area: 923,768 km2 World Factbook
Population: 177,155,754 (July 2014) World Factbook
Nigeria, officially the Federal Republic of Nigeria, is a federal constitutional republic comprising 36 states and its Federal Capital Territory, Abuja. Wikipedia
Area: 17,098,242 km2 World Factbook
Population: 142,470,272 (July 2014) World Factbook
Russia or, also officially known as the Russian Federation, is a country situated in northern Eurasia. It is a federal semi-presidential republic. Wikipedia