Kazakhstan is in central Asia and covers an area approximately equal to the U.S.. Over half the population is composed of Kazakh, Russians make up more than one quarter, and the remaining population is made up of Ukrainians, Germans, Czechs, curzi, and other ethnic Koreans in Central Asia. Territory of Kazakhstan is as diverse as the population and is composed of steppe and forest in the north, which turns into sand dunes in the south. Here the Tian Shan and the Altai Mountains extend. Since independence, has invested heavily in the Caspian oil sector. Development of oil industry and brought rapid economic growth. However, poverty is widespread and Kazakhstan are facing unemployment and inflation. Centuries, Kazakhstan's vast plains were nomads and territory are almost empty today. Most settlements are located in southeast and east of the country.