Russia is 52 times larger than Vietnam.
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
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