The Platform for Collaboration on Tax Published the Report on Progress in Strengthening Frameworks for Building Tax Capacity: A Report to G20 Finance Ministers and Central Bank Governor

Washington, D.C. – October 15, 2025 – The Platform for Collaboration on Tax (PCT) has released a new report on Progress in Strengthening Frameworks for Building Tax Capacity. The report responds to the February 2025 G20 request for the PCT and regional organizations to coordinate and report on efforts to enhance the effectiveness and efficiency of technical assistance in tax capacity building, as emphasized in the Rio de Janeiro G20 Ministerial Declaration on International Tax Cooperation.

Building on the PCT’s 2016 report for the G20 on Enhancing the Effectiveness of External Support in Building Tax Capacity in Developing Countries, this new publication assesses progress made, highlights key enablers of domestic revenue mobilization, and outlines a forward-looking agenda for coordinated and impactful tax-related capacity development.