The rankings of the table refer to the UNDP Human Development Report 2013 (2012 data).
Soviet Union | European Union | Union Army | rugby union | European Parliament | Union | Member of the European Parliament | European Commission | International Telecommunication Union | trade union | European Space Agency | Union (American Civil War) | Union Pacific Railroad | England national rugby union team | European | European Court of Human Rights | American Civil Liberties Union | Wales national rugby union team | New Zealand national rugby union team | Ireland national rugby union team | European Court of Justice | Western Union | Scotland national rugby union team | International Astronomical Union | Georgia national rugby union team | Trade union | International Union for Conservation of Nature | European Economic Community | Border Union Railway | West Midlands (European Parliament constituency) |