What determines who votes? The difference is striking: persons with a college education are about 40 percent more likely to vote than persons with a grade school education. Researchers have concluded that education generates a greater interest in politics, a higher level of political information, a greater confidence that one can make a difference politically, and peer pressure to participate. All of these are related to the tendency to vote. Education, in fact, is the single best pre- dictor of voter turnout.