We review the current state of the West African Economic and Monetary Union’s tax coordination framework, against the main objectives of the WAEMU Treaty of 1994: reduce distortions to intra-community trade, and mobilize domestic tax revenue. The process of tax coordination in WAEMU is one of the most advanced in the world—de jure at least—, but remains in many areas ineffective de facto. Nevertheless, the framework has, to some extent, succeeded in converging tax systems, particularly statutory tax rates, and may have contributed to improving revenue mobilisation. Important lessons can be drawn from the WAEMU experience, particularly in terms of whether coordination should take the form of harmonization through a top-down approach, or a softer approach of sharing best practice and limiting certain types of tax competition.

Tax coordination in the West African Economic and Monetary Union (WAEMU) is one of the most advanced in the world, de jure at least. Since the late 1990s, a number of indirect and direct tax directives have been produced, limiting member States in the conduct of their national tax policies. The objectives of this coordination are to: promote regional economic integration; support countries in their efforts to substitute domestic taxes for trade taxes, which are set to decline due to trade liberalization; and mobilize additional tax revenue. The primary goal of this paper is to review the current status of the WAEMU tax coordination framework. We examine in some detail the various directives and regulations (de jure coordination), and their application in member states (de facto coordination). This is followed by a brief analysis of the evolution of tax revenue structures. We conclude with some observations on the challenges of, and lessons learned from, tax coordination in the region.

We review the current state of the West African Economic and Monetary Union’s tax coordination framework, against the main objectives of the WAEMU Treaty of 1994: reduce distortions to intra-community trade, and mobilize domestic tax revenue. The process of tax coordination in WAEMU is one of the most advanced in the world—de jure at least—, but remains in many areas ineffective de facto. Nevertheless, the framework has, to some extent, succeeded in converging tax systems, particularly statutory tax rates, and may have contributed to improving revenue mobilisation. Important lessons can be drawn from the WAEMU experience, particularly in terms of whether coordination should take the form of harmonization through a top-down approach, or a softer approach of sharing best practice and limiting certain types of tax competition.

Selected Issues

The Fund has long played a lead role in supporting developing countries’ efforts to improve their revenue mobilization. This paper draws on that experience to review issues and good practice, and to assess prospects in this key area.

Most African countries are in dire need of more tax revenue. In 28 out of 45 countries with a value-added tax (VAT), total tax revenue as a percentage of GDP is around 15% or less, falling short of what is necessary to finance basic human and economic development. Far from being revenue-raising instruments, current African VATs are riddled with exemptions, exclusions, and zero rates on domestic goods and services that depress revenue, are highly distortionary, and greatly complicate the administration of VAT. Modernizing VATs in Africa enables policymakers, professionals, and students to analyse African tax systems to ascertain how they can be modernized. It explains the case for VAT base-broadening over rate-increasing, arguing that exemptions and zero rates mainly accrue benefits for higher-income groups. Even more persuasively, it demonstrates that the net result of fiscal systems can be equalizing if the revenue of broad-based VATs is used to finance in-kind transfers, such as healthcare and education. VAT modernization should be used to enable governments to finance development; Modernizing VATs in Africa puts a compelling case forward for how and why this can be achieved.

How can Low-Income Countries (LICs) enhance tax revenue collection to finance their vast development needs? We address this question by analyzing seven tax reform experiences in LICs (Burkina Faso, The Gambia, Maldives, Mauritania, Rwanda, Senegal, and Uganda). Three lessons stand out, although reforms must be tailored to individual circumstances: (i) Tax reforms require first and foremost political commitment and buy-in from key stakeholders; (ii) Countries that pursue both revenue administration and tax policy reforms tend to see much larger and persistent gains; and (iii) A successful strategy often starts with fiscal reform measures with immediate effect to build momentum. These can include: simplifying the tax system; curbing exemptions; reforming indirect taxes on goods and services (e.g., excises); and better managing compliance risks through strengthening taxpayer segmentation (often beginning with strengthening the Large Taxpayers Office). A comprehensive reform strategy (e.g., a medium-term revenue strategy) can help to properly sequence reform measures and facilitate their implementation.