More than 50 million adults in the US are eligible to vote but not registered. Alister F. Martin, MD, MPP, of Harvard University, and Katherine McCabe, PhD, of Rutgers University speak with JAMA Health Forum Editor John Ayanian, MD, MPP, and Deputy Editor Melinda Buntin, PhD, about a program to register new voters in health care settings that has enrolled younger and racially and ethnically diverse adults. Related Content:

• Increasing Voter Participation Through Health Care–Based Voter Registration