Worldwide organization of major socialist, social democratic and labour parties (e.g. the British Labour Party, French Socialist Party, and Swedish Social Democrats). Largest political organization in the world. Background, membership, resolutions, meeting reports, regular newsletter.
The largest socialist organization in the United States, and principal U.S. affiliate of the Socialist International. Works to build progressive movements while establishing an openly socialist presence in American politics. Born from the 1973 split of the former Socialist Party of America. Members differ on working with the Democratic Party.
A minority faction of the former Socialist Party of America, who took the name and established a new organization in 1973. The SP-USA claims to be the successor to the old party, and advocates a strictly independent electoral strategy for socialists, but has no elected officials and ballot status only in Florida. Has about 1000 members, and runs a presidential campaign every four years.