College major choice is a high-stakes decision frequently discussed by economists and policymakers because of the significant, long-term impacts of major on a student’s financial success after graduation. While substantial attention has been paid to policies designed to increase the share of women in science, technology, engineering, and math (STEM) fields, few have noticed the growth over recent decades of a new racial disparity in college majors, driven not by students’ preferences but primarily by tightening “major restriction” policies imposed by universities.