In this IMCWP held under the theme " The role of Communist and Workers’ Parties in the struggle against imperialism and capitalist exploitation – which causes crises and wars and gives rise to fascist and reactionary forces. For workers’ and peoples’ rights and for national and social emancipation; for socialism!” participated 53 communist and workers' parties coming from the five continents.

The delegation of the PCP at the 16th IMCWP was composed by Pedro Guerreiro, member of the Secretariat of the Central Committee and Responsible of the International Department, Angelo Alves, member of the Political Committee of the CC and member of the International Department and by Cristina Cardoso, member of the International Department