Russia is 6.3 times larger than Kazakhstan.
Area: 2,724,900 km2 World Factbook
Population: 17,948,816 (July 2014) World Factbook
Kazakhstan, officially the Republic of Kazakhstan, is a contiguous transcontinental country in Central Asia, with its smaller part west of the Ural River in Europe. 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