This report, conducted by researchers at the Midwest Economic Policy Institute and the Project for Middle Class Renewal at the University of Illinois at Urbana-Champaign analyzes the course of unionization in Indiana and in the United States from 2006 to 2015. Data from 2015 are also analyzed for the Indianapolis metropolitan statistical area (MSA). The study of Indiana tracks unionization rates and investigates union membership across demographic, educational, sectoral, industry, and occupational classifications. The study subsequently evaluates the impact that labor union membership has on a worker’s hourly wage in Indiana and in America. Additionally, data on labor unions and similar labor organizations are included and analyzed. As of 2015, the overall union membership rate is 10.0 percent in Indiana. A major finding of the report shows that Indiana’s “right-to-work” law has contributed to lower union membership. After the policy was implemented in 2012, union membership fell from 11.2 percent in 2011 to 10 in 2015. Other highlights include: Men are much more likely to be unionized (13.2 percent) than women (6.6 percent) and public sector unionization (27.4 percent) is nearly four times as high in Indiana as private sector unionization (7.5 percent).