Russia is the largest country in the world, covering over 17 million square kilometers. Moscow is the capital city, with around 1100 cities total, some of the most prominent being St. Petersburg, Nizhny Novgorod, and Kazan. The majority religion is Russian Orthodox, with other faiths including Islam, Judaism, and Buddhism. The population of Russia is around 143 million, with a literacy rate of 99.4%. Key industries include petroleum, natural gas, timber, precious metals, automobiles, aircraft, and machine manufacturing.