Tiipai (Tipay) is a Native American language belonging to the Delta–California branch of the Yuman language family, which spans Arizona, California, and Baja California. As part of the Yuman family, Tiipai has also been consistently included in the controversial quasi-stock Hokan. Tiipai is spoken by a number of Kumeyaay tribes in northern Baja California and southern San Diego County, California. There were, conservatively, 200 Tiipai speakers in the early 1990s;Hinton, Leanne. 1994. Flutes of Fire: Essays on California Indian Languages. Berkeley, CA: Heyday Books. the number of speakers has since declined steadily, numbering roughly 100 in a 2007 estimate.
