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Informality and Tax

While research has historically focused on formal systems of taxation and user fees, there is mounting evidence of the importance of “informal” taxation for average taxpayers in much of Africa. While lying outside of statutory laws, the “tax-like” payments – which include informal user fees, informal contributions to community development projects, and informal payments to both state and non-state officials – impose a significant burden on many taxpayers, while playing a critical role in financing local public goods and services and shaping broader local governance.

Our research aims to map the extent, composition and experiences of these payments, and to understand their implications for livelihoods, fiscal decentralisation, service delivery and broader local governance reform. One strand of our work looks closely at taxation in fragile settings, examining the challenges, risks, and opportunities it presents for peacebuilding, state-building, and citizen engagement.

We have also established a Community of Practice on Informality and Tax, a global network of practitioners and scholars committed to improving both knowledge and policy on how tax authorities engage with informal economies.

Research leads: Dr Max Gallien and Dr Vanessa van den Boogaard

Key reading:

  • Why the informal sector is not a goldmine (Policy Briefing)
  • Tax and gender: why informality matters (Policy Briefing)
  • Thinking Beyond Revenue: Estimating the Cost Effectiveness of Ghana’s Presumptive Tax Stamp
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News and events

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Event
Flyer of the webinar on roadblocks and the politics of passage
30 June 2026
Webinar: The politics of passage – New research on checkpoints and revenue in conflict

This webinar launches the Development and Change special issue, The Politics of Passage: Checkpoints and Authority amidst Conflict, drawing on the Roadblocks and Revenues research series….

News
Five individuals standing side-by-side each other, smiling at the camera.
April 2026
ICTD convenes stakeholder workshop on informal taxation in The Gambia

Earlier this month, ICTD convened a stakeholder workshop in collaboration with The Gambia’s Ministry of Finance and Economic Affairs to discuss evidence-informed options for reforming the country’s approach to informal sector taxation….

News
Max Gallien and Vanessa van den Boogaard with the Finance Office at the Municipality of Korle Klottey in Ghana on the day of signing the new MoU
April 2026
ICTD signs new partnerships for largest study of market taxation in Accra

ICTD signs three new MOUs with municipal authorities in Ghana for a project on the taxation of Accra’s markets. …

Featured Publications

Policy Brief

Why the Informal Sector Is Not a Tax Goldmine

October 2025
Max Gallien
Policy Brief

Simplified Taxation in Africa: What We Know – and Need to Know

February 2025
Max Gallien, Christopher Hoy, Hitomi Komatsu, Ceren Ozer, Michael Rogan & Vanessa van den Boogaard
Journal Article

The taxed informal economy: Fiscal burdens and inequality in Accra

December 2024
Nana Akua Anyidoho, Max Gallien, Michael Rogan & Vanessa van den Boogaard
See all Related Publications

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Related blogs

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Small business shack in Addis Ababa, Ethiopia with people walking in front.
June 2026|
Blog

Ethiopia’s presumptive tax system: why daily sales estimation needs rethinking

by Zerihun Asegid

The widespread use of daily sales estimation as a principal assessment method shows a deeper structural problem in Ethiopia’s presumptive tax system….

Aerial photo of a tomato market at Mile 12 in Lagos, Nigeria.
June 2026|
Blog

Taxing the informal economy: should businesses formalise or should tax systems adapt?

by Kanuda M. Buluba

Across Africa, discussions on taxing the informal economy often begin with a familiar assumption that informal businesses remain outside the tax system because they are unregistered, invisible, or non-compliant….

Addis Ababa busy street view
February 2026|
Blog

Roadblock taxation: the dangers of extra-legal payments in Ethiopia

by Zerihun Asegid

In recent years, Ethiopia has witnessed a significant rise in one particularly harmful extra-legal practice: roadblock taxation. …

Cultural Parade in Zaria City, Nigeria where informal tax has become a lifeline for basic services
October 2025|
Blog

How faith and culture shape accountability in Nigeria’s informal tax system

by Jacob Aondohemba Iormbagah

In early October, I was in Cape Town for the 10th ATAF Annual Congress, where I…

Zimbabwe's informal sector: Saturday morning market outside Bulawayo City Hall
August 2025|
Blog

Zimbabwe’s informal sector – more carrots than sticks are needed

by Abel Gwaindepi & Hellen Venganai

Zimbabwe’s informal sector is massive. But despite its size, the sector remains poorly understood, especially when it comes to taxation. …

Man in the middle of the frame sitting on a table in a conference room with people around him either in the background or sitting near him on the same table. The man is not looking at the camera but is focused writing on a paper in front of him.
August 2025|
Blog

From agriculture to tax: How the ICTD course changed one man’s career

by Seid Yimam Mohamed & Stephanie Alkoussa

After completing the ICTD Research on Tax and Development course, Seid Yimam experienced a career switched, he shares more in this interview….

Research Projects

Completed Project

Traditional Leaders, Taxation, and Statebuilding in Sierra Leone

Completed Project

Informal Taxation and Gender in the Informal Economy in Accra

Completed Project

The Logic of Armed Group Taxation

Completed Project

The Role of Fiscal Policies in Cannabis Legalisation: Learning from Malawi’s Experience

Current Project

Aiding the War & Neglecting Citizens: International Donor Policy

Matthew Benson
Current Project

Not-so-freeway- informal taxation and the everyday cost of conflict in Northeast India

Shalaka Thakur
See all Related Projects
[email protected]
+44 (0) 1273 606261
International Centre for Tax and Development, Institute of Development Studies (IDS) Brighton, BN1 9RE, United Kingdom
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