This publication is a consolidation of research papers and feasibility studies. The scope of these reports covers areas of critical importance in extending social security coverage to ll workers. These include overview of social security, extension of social security, formal employment sector and informal economy surveys, feasibility studies of pensions, unemployment insurance, traditional systems, workers’ compensation, social assistance, maternity protection and health insurance. As a cross-cutting issue, focus on gender equality has been underpinned for all the feasibility studies.