The Central Alaskan Yup'ik live in the Yukon Kuskokwim Delta, on the Kuskokwim River and on the shores of Bristol Bay, the Pacific Yupik ( Alutiiq or Sugpiaq ) on the Alaska Peninsula and along the coast and on islands in the southern central Alaska. The Siberian Yupik and Naukan live in eastern Russia and the belonging to Alaska Saint Lawrence Island.
Usually Yupik is spoken in small settlements or with the nomads, in the large settlements that Russian is the lingua franca. Remarkable in Siberia the care of the language in certain primary schools. On the American side dominates in the settlements of the English language. Their population in many communities to half White and a quarter each Indians and Eskimos.
Yupik was held for the first time during the missionary work of these groups, in Siberia by Innokenty Weniaminow in Alaska by Reverend John Henry Kilbuck during the 19th century writing.