Tribes

 are competing teams in the 703 Survivor. seasons. A tribe has had anywhere from four to eleven people at the beginning of the game, with the exception of, which began with 16 due to the nature of it being Anarchy.

Dividing Into Tribes
Most commonly in Survivor, the tribes are divided by the moderators before the game begins.

In Survivor: Wales, the castaways were initially not assigned into a tribe. There was a Day 1 Challenge, in which the highest scoring female and highest scoring male would be responsible for starting the Schoolyard Pick.

Trivia

 * Blue is the most used tribe color with it being used 10 times.
 * Brown is the most unused tribe color as it has been used once.
 * Black, Blue, Green, Orange, White, and Yellow are tied when being the merge color, twice each.