Taxing the Wealthy in Lower-Income Countries: Why It’s Important, and How to Do It
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Policy Brief 14
The world is experiencing multiple crises, including increasing global tension, skyrocketing debt levels, and climate change. Lower-income countries (LICs) are bearing the brunt of these crises. Their finances, both from domestic sources and international aid, are not growing sufficiently to meet their needs. Their expenditure requirements are higher than ever – improving services, expanding social protection, and promoting investment all add to the bill. This policy brief argues that one of the tools that LIC governments have at their disposal is particularly under-utilised – taxing the wealthy more effectively.
Dr Giovanni Occhiali is a Development Economist based at the Institute of Development Studies, where he works on a number of projects related to Tax Administration and Compliance, Tax and Governance and co-leads ICTD’s capacity building programme together with Dr Max Gallien. His research focuses on Sub-Saharan Africa, and outside of the field of taxation his main interests are energy economics and industrial policies. He holds a PhD from the University of Birmingham and prior to joining ICTD, he was a Researcher at the Fondazione Eni Enrico Mattei and an Overseas Development Institute Fellow at the National Revenue Authority of Sierra Leone.
Giulia Mascagni is a Research Fellow at the Institute of Development Studies and Executive Director of the ICTD. Her main area of work is taxation, but she also has research interest in public finance, evaluation of public policy, and aid effectiveness. She is an economist by training, holding a PhD in Economics from the University of Sussex. Her main geographical interest lies in African countries, with a particular focus on Ethiopia and Rwanda.
Wilson Prichard is an Associate Professor at the University of Toronto, a Research Fellow at the Institute of Development Studies, Chair of the Local Government Revenue Initiative (LoGRI) and former Executive Officer of the International Centre for Tax and Development (2020-2024). His research focuses on the relationship between taxation and citizen demands for improved governance in sub-Saharan Africa.
Martin Hearson is a Research Fellow at IDS, Research Director of the ICTD and the International Tax programme lead. His research focuses on the politics of international business taxation, and in particular the relationship between developed and developing countries. Before joining ICTD, Martin was a fellow in international political economy at the London School of Economics and Political Science, teaching courses on political economy and global financial governance.
Citation: Occhiali, G.; Mascagni, G.; Prichard, W. and Hearson, M. (2025) Taxing the Wealthy in Lower-Income Countries: Why It’s Important, and How to Do It, ICTD Policy Brief 14, Brighton: Institute of Development Studies, DOI: 10.19088/ICTD.2025.007
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