世界民主青年联盟
The JCP is a member of the World Federation of Democratic Youth (WFDY), a non-governmental youth organization that congregates several left-wing youth organizations from all continents. The WFDY holds an international event, named the World Festival of Youth and Students, in which the Portuguese Communist Youth participates. JCP has held the presidency of the World Federation of Democratic Youth in the past and maintains an active role in the Federation.