SDMM’s international cooperation is overseen by the head of the International Cooperation Unit, elected by members of SDMM Executive Board.

In the years of international engagement, the Social Democratic Youth of Macedonia has acquired full membership (recognized under constitutional name) of IUSY (International Union of Socialist and Social Democratic Youth), ECOSY (European Committee of Socialist and Social Democratic Youth), BYNU (Balkan Youth Network for Understanding) and other organizations. SDMM has also taken active part in the network of youth organizations of Social Democratic parties from the region - SD9.