The people of Kenya are called Kenyans. The estimated proportions of the main tribal groups are Gikuyu (Kikuyu), 21 percent; Luhya, 14 percent; Luo, 13 percent; Kalenjin, 11 percent; and Gusii (Kisii), 6 percent. Another important group living in Kenya are the Maasai. To learn more about the Maasai see the chapter on Tanzania in Volume 9.