Kamchatka's population at the end of the Soviet Union decreased for some time, according to data. It is currently increasing again. Most of the population live in cities and towns, like the capital, Petropavlovsk-Kamchatsky. Ethnic Koryaks and other natives compose of a very small percentage of the population. Russians compose a great majority of the population. Most people in Kamchatka practice Orthodox Christianity, while a sizable population are irreligious. Shamanism, which is a belief that worships spirits and nature, is still practiced by some natives in the area. Russian is taught and used commonly in Kamchatka. While native languages like Koryak, Itelmen or Chuvan are hardly taught or used at home.