Moscow ( /ˈmɒskaʊ/ or /ˈmɒskoʊ/; Russian: Москва́, tr. Moskva; IPA: [mɐˈskva] ( listen)) is the capital, the most populous city, and the most populous federal subject of Russia. The city is a major political, economic, cultural, scientific, religious, financial, educational, and transportation centre of Russia and the continent. Moscow is the northernmost megacity on Earth (but isn't coldest), the most populous city in Europe, and the sixth largest city proper in the world. Its population, according to the results of the 2010 Census, is 11,503,501. Based on Forbes 2011, Moscow had 79 billionaires, displacing New York City as the city with the greatest number of billionaires.