This report aims to inform discussions on the fourth review of the implementation of the framework for capacity-building in countries with economies in transition established under decision 3/CP.7 at the forty-sixth session of the Subsidiary Body for Implementation. It compiles and synthesizes information on how capacity-building activities have been implemented in those countries with economies in transition that are currently receiving support. Information is drawn and synthesized from submissions from Parties, national reports and reports of the Global Environment Facility published between 1 January 2013 and 9 March 2017. In addition, the report summarizes views on the fourth review of the implementation of the framework for capacity-building in countries with economies in transition established under decision 3/CP.7 submitted by Parties.