The American Federation of Labor and Congress of Industrial Organizations (AFL-CIO) is a voluntary federation of 57 national ... and international labor unions. The AFL-CIO was created in 1955 by the merger of the AFL and the CIO. The AFL-CIO union movement represents 12.2 million members, including 3.2 million members in Working America, its community affiliate. We are teachers and miners, firefighters and farm workers, bakers and engineers, pilots and public employees, doctors and nurses, painters and plumbers—and more. read more