This document summarizes employment data in the renewable energy and energy efficiency sectors in the United States. It finds that in 2014, the renewable energy sector employed over 724,000 workers, with the largest subsectors being solar (174,000 jobs), wind (80,000 jobs), and biofuels (over 62,000 jobs from biodiesel alone). Energy efficiency is also a major employer, with the buildings sector projected to support over 2.3 million jobs in 2015. Overall, investments and policies that support renewable energy and energy efficiency are found to create substantial employment opportunities in the United States.