Socialism of the 21st century is an interpretation of socialist principles first advocated by German sociologist and political analyst Heinz Dieterich and taken up by a number of Latin American leaders. Dieterich argued in 1996 that both free-market industrial capitalism and 20th-century socialism have failed to solve urgent problems of humanity such as poverty, hunger, exploitation of labour, economic oppression, sexism, racism, the destruction of natural resources and the absence of true democracy. Socialism of the 21st century has democratic socialist elements, but it also resembles Marxist revisionism.

Hugo Rafael Chávez Frías was a Venezuelan politician and military officer who served as president of Venezuela from 1999 until his death in 2013, except for a brief period of forty-seven hours in 2002. Chávez was also leader of the Fifth Republic Movement political party from its foundation in 1997 until 2007, when it merged with several other parties to form the United Socialist Party of Venezuela (PSUV), which he led until 2012.