The Research Database on the U.S. Voting System and Voting Technology provides access to empirical and analytical research about voting and elections to inform evidence-based reforms.

Although ethnic diversity of the U.S. has been increasing, voter registrations have not followed this trend. A new report finds that although the voting population is still unrepresentative of the American population at large, the 2008 voting population was more diverse than in years past.

The implementation of convenience voting practices like vote-by-mail and early voting raises questions concerning the effect of these changes on turnout. Research based on turnout in California studies the effect of the increasing number of vote-by-mail voters in presidential elections.