Central Asia contains the nation of Kazakhstan. It is the ninth-largest nation in the world and borders China, Russia, Turkmenistan, Kyrgyzstan, Uzbekistan, and Turkmenistan. The "World's Largest Landlocked Country" is another name for it. About 26% of Kazakhs identify as Christian, and roughly 70% of the country's people are Muslims. Kazakhstan's capital city is Astana. In addition, Kazakhstan actively participates in the Eurasian Economic Union, WTO, OSCE, UN, CIS, and TURKSOY. Kazakhstan, the biggest and richest nation known as the "Stans," has always been a multicultural nation; according to the 2009 census, just 63% of citizens were originally from Kazakhstan.