The Socialist Alliance of Working People of Yugoslavia or SSRNJ (Serbo-Croatian: Socijalistički savez radnog naroda Jugoslavije / Социјалистички савез радног народа Југославије, SSRNJ/ССРНЈ, Slovene: Socialistična zveza delovnega ljudstva Jugoslavije, SZDLJ, Macedonian: Социјалистички сојуз на работниот народ на Југославија, ССРНЈ), known before 1953 as the People's Front (Narodni Front or NOF in Serbo-Croatian, Ljudska fronta or LF in Slovene), was the largest and most influential mass organization in SFR Yugoslavia from August 1945 through 1990. By 1990 its membership was thirteen million individuals, including most of the adult population of the country.