The Hopi are a Native American tribe, who primarily live on the 2,531.773 sq mi (6,557.26 km2) Hopi Reservation in northeastern Arizona. As of 2010, there were 18,327 Hopi in the United States, according to the 2010 census. The Hopi language is one of the 30 of the Uto-Aztecan language family.
The Kikuyu tribe is a Bantu tribe that neighbors the Embu, Mbeere and Meru tribes around Mount Kenya. They are Kenya’s most popular and the largest ethnic tribe, making up 22 percent of the country’s population.
The Tibetan people (Tibetan: བོད་པ་) are an ethnic group that is native to Tibet. Most Tibetans practice Tibetan Buddhism, though some observe the indigenous Bön religion and there is a small Muslim minority. Tibetan Buddhism influences Tibetan art, drama, and architecture, while the harsh geography of Tibet has produced an adaptive culture of Tibetan medicine and cuisine.
The Swiss are citizens or natives of Switzerland. The demonym derives from the toponym of Schwyz and has been in widespread use to refer to the Old Swiss Confederacy since the 16th century. The number of Swiss nationals has grown from 1.7 million in 1815 to 6.76 million in 2009, 90% of them living in Switzerland.