Unified Socialist Party of Mexico was created in 1981.
Socialist Popular Alliance Party was created in 2011.
Popular Socialist Party - Haiti - was created in 1946.
Lithuanian Popular Socialist Democratic Party was created in 1917.
Freedom Socialist Party was created in 1966.
Popular Socialist Party - Cuba - ended in 1961.
Burma Socialist Party was created in 1945.
Nicaraguan Socialist Party was created in 1944.
Belgian Socialist Party was created in 1945.
Yemeni Socialist Party was created in 1978.
Republican-Socialist Party was created in 1911.
Socialist Mexican Party was created in 1987.