The centre for tax analysis in developing countries

Start Date: 19th May 2026 - 3:05 PM

End Date: 19th May 2026 - 3:55 PM

Time zone: BST

Location: London, UK

The UK is cohosting on 19-20 May the Global Partnerships Conference, a major summit on the future of international development to drive shared growth and prosperity and tackle global challenges head on.

Organised on the sidelines of the Conference, our side event will provide practical lessons drawn from research on tax reform in lower-income countries. It will focus on how reforms can be effective at scaling tax revenues, as well as being equitable and sustainable.

Boosting fiscal resilience in lower-income countries has acquired a renewed urgency in the new reality of development finance. While aid decreases substantially, many lower-income countries also face pressing debt servicing costs that exceed what they can spend on basic services for their citizens.

Navigating the next era of development requires a new paradigm grounded in resilience, self-reliance, and partnership. Taxation is key to getting this right. While low and middle-income countries collect at least $1.5 trillion in tax revenue, this is still nowhere near the $4 trillion required to plug the financing gap toward the SDGs. It is impossible to conceive of a more self-determined development model in which tax does not play a larger role. When they are ineffective or inequitable, however, efforts to raise more revenue can undermine tax collection and public trust.

The challenge is massive, but we have a clear roadmap: more than a decade of context-specific evidence, much of which has been generated through partnerships between revenue authorities, civil society associations, finance ministers and researchers in the UK and across the globe. These partnerships enable officials and researchers to leverage data, share skills, jointly identify key insights, and embed learning feedback loops in real-time.

Objectives of the side event

  • Emphasise the role of public revenue mobilisation as a key enabler of fiscal resilience, growth, and equity.
  • Highlight practical cases in which co-created evidence and partnerships led to tangible improvements in tax systems.
  • Demonstrate how co-produced, data–driven analysis can unlock new insights and innovations in tax system design and delivery.
  • Illustrate and discuss the role of external partners in securing fiscal resilience through domestic revenue mobilisation.

Moderator

Scott Caldwell, Head of Public Finance and Tax Department, FCDO, UK Government

Panellists

  • Giulia Mascagni, ICTD Executive Director
  • Yani Tyskerud, Programme Director, ODI Global & TaxDev
  • Andrés Velasco, Dean of the School of Public Policy at LSE, former Minister of Finance of Chile (TBC)
  • Alimamy Bangura, Chief Economist, Ministry of Finance, Sierra Leone
  • Nathalie Delapalme, CEO, Mo Ibrahim Foundation
  • Jason Rosario Braganza, Kenyan Economist, Incubator of the ‘Fikra’ Initiative
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