Founded in 1944, NCAI is the oldest, largest and most representative American Indian & Alaska Native organization serving the broad interests of Tribal Nations. Founded in 1944, NCAI is the oldest, largest & most representative AI/AN org in the U.S. Founded in 1944, the National Congress of American Indians (NCAI) is the oldest, largest, and most representative organization advocating for Tribal Nations. NCAI’s mission is to protect and enhance treaty and sovereign rights, secure traditional laws, cultures, and ways of life for our descendants, promote a common understanding of the rightful place of Tribal Nations in governance, and improve the quality of life for Native communities and peoples. In 2023, NCAI established the NCAI Foundation to strengthen its work by providing philanthropic support and resources that align with the priorities of Tribal Nations.