The Democratic Party is a full member of the Socialist International , the Progressive Alliance , and is an associate member of the Party of European Socialists .
It is the major centre - left party in Serbia , and is the fifth largest party in the National Assembly .
The party   is a full member of the Socialist International , the Progressive Alliance , and is an associate member of the Party of European Socialists .
It is the major centre - left party in Serbia , and is the fifth largest party in the National Assembly .