The Haida and Tlingit tribes who lived along the Southeast Alaska's coast were traditionally known as fierce warriors and slave-traders, raiding as far as California. Slavery was hereditary, the slaves being prisoners of war. Among some Pacific Northwest tribes about a quarter of the population were slaves. Other slave-owning tribes and societies of the New World were, for example, Comanche of Texas, Creek of Georgia, the fishing societies, such as the Yurok, that lived along the coast from what is now Alaska to California, the Pawnee and Klamath, the Caribs of Dominica, the Tupinambá of Brazil, and the Tehuelche of Patagonia.
Native American slavery was also practiced by the English in the Carolinas who sold Native American captives into slavery on the English plantations in the Caribbean. One of the first tribes that specialized in slave raids and trade with Carolina was the Westo, followed by many others including the Yamasee, Chickasaw, and Creek. Historian Alan Gallay estimates the number of Native Americans in southeast America sold in the British slave trade from 1670-1715 as between 24,000 and 51,000. He also notes that during this period more slaves (Native American, African, or otherwise) were exported from Charles Town than imported.
Many Native American tribes did enslave small numbers of captives and in the southwestern United States a few of them were sold to local Hispanic residents. In at least one instance in the San Luis Valley of Colorado a female household slave continued in her status long after the Emancipation Proclamation.
Slavery of Native Americans was organized in colonial and Mexican California through Franciscan missions, theoretical entitled to ten years of Native labor, but in practice maintaining them in perpetual servitude, until their charge was revoked in the mid-1830s. Following the 1848 American invasion, Native Californians were enslaved in the new state from statehood in 1850 to 1867. Slavery required the posting of a bond by the slave holder and enslavement occurred through raids and a four-month servitude imposed as a punishment for Indian "vagrancy".