West Africa's Proposed Single Currency (Eco) Sees Renewed Momentum Despite Persistent Structural Constraints

More than two decades after it was first proposed by the Economic Community of West African States, West Africa’s single currency project is showing renewed institutional momentum. Central bank governors from 12 member states recently convened in Monrovia, Liberia, in what represents one of the most coordinated technical engagements in recent years to advance preparations for the Eco.

The meeting brought together monetary authorities from Nigeria, Ghana, Liberia, Sierra Leone, Guinea, The Gambia, Cabo Verde, Guinea-Bissau, Senegal, Côte d’Ivoire, Togo, and Benin. Discussions focused on aligning monetary policy frameworks, strengthening governance structures, and assessing compliance with macroeconomic convergence benchmarks required for participation in the first phase of the currency’s rollout.

Monetary authorities from West African countries meet in Monrovia to advance the launch of the Eco [Photo: X @ Presidency Nigeria].

According to statements issued following the meeting, the launch of the Eco will depend strictly on adherence to agreed convergence criteria and the establishment of credible institutional frameworks. A phased implementation is envisaged, with an initial cohort of six countries, including Nigeria and Ghana, proceeding once macroeconomic and governance thresholds are met. A potential launch timeline of 2027 has been referenced, although this remains conditional.

For corporate and institutional stakeholders, the Monrovia meeting signals that the Eco has re-entered an active policy phase. However, the structural constraints that have delayed the project for years remain materially relevant.

Macroeconomic Convergence and Asymmetry Risks

The convergence framework requires inflation below 5 percent, fiscal deficits capped at 3 percent of GDP, public debt below 70 percent of GDP, and stable exchange rate regimes supported by adequate reserves. Historically, only a limited number of member states have met these thresholds consistently.

Nigeria and Ghana, which together represent a significant share of regional GDP, have experienced elevated inflation, fiscal strain, and exchange rate volatility in recent years. These macroeconomic pressures underscore the adjustment burden that would accompany entry into a shared monetary regime.

By contrast, the eight members of the West African Economic and Monetary Union already operate within a monetary union using the CFA franc, which is pegged to the euro. That framework has historically imposed fiscal discipline and delivered exchange rate stability, creating a different macroeconomic starting point compared with non-CFA economies.

The eight members of the West African Economic and Monetary Union already operate within a monetary union using the CFA franc. [Photo: Getty images /AFP/I. Sanogo.

The central challenge remains asymmetry. A monetary union without sufficient alignment in inflation dynamics, fiscal capacity, and external buffers risks limiting national policy flexibility while amplifying cross-border contagion during economic shocks. The renewed push in Monrovia suggests recognition of this risk, given the emphasis on strict compliance before accession.

Institutional Architecture and Governance Design

The credibility of the Eco will depend less on political declarations and more on institutional robustness. A fully operational regional central bank with clearly defined governance rules, voting structures, capital subscriptions, and crisis response mechanisms has yet to be finalised.

Recent discussions indicate progress in aligning governance principles and clarifying operational frameworks. However, monetary integration requires deep coordination across banking supervision, payment systems, fiscal monitoring, and legal harmonisation. Member states operate under both common law and civil law traditions, which complicates regulatory standardisation and central bank statute alignment.

Enforcement remains another critical variable, as previous convergence monitoring mechanisms lacked binding authority. A successful rollout will require technical alignment alongside credible compliance frameworks capable of managing slippages without destabilising the broader system.

Political Economy and Regional Leadership Dynamics

Political coordination also continues to shape the Eco’s trajectory. Earlier tensions between WAEMU members and non-WAEMU states over the structure and identity of the Eco underscored concerns about governance control and monetary sovereignty. The renewed multilateral engagement in Monrovia suggests an attempt to bridge these divides through phased participation and institutional clarity.

Nigeria’s central role in the current phase is particularly significant. As the region’s largest economy, its participation is essential for credibility and scale. At the same time, Nigeria’s macroeconomic profile will heavily influence perceptions of stability and policy discipline within the proposed union.

Implications for Business and Financial Markets

For corporates operating across West Africa, the near-term outlook remains one of continued currency fragmentation. Exchange rate risk, divergent monetary cycles, and regulatory asymmetries will persist until measurable convergence milestones are achieved.

If successfully implemented, the Eco could reduce transaction costs, mitigate intra-regional exchange rate volatility, and support deeper trade integration. However, the transition phase may introduce policy uncertainty as legal, regulatory, and operational systems are recalibrated.

From a strategic perspective, businesses should monitor three major indicators closely: sustained compliance with convergence thresholds among first-phase participants, formal establishment of a regional central banking authority with operational independence, and the creation of a stabilisation mechanism capable of absorbing asymmetric shocks.

Outlook

The Monrovia meeting represents the most substantive technical coordination effort on the Eco in recent years. It reflects renewed political will and a shift toward phased, criteria-based implementation. Nonetheless, the project remains contingent on structural macroeconomic adjustment and institutional consolidation.

For now, the Eco should be assessed as a medium-term integration objective with conditional implementation probability. The direction of travel is clearer than it has been in several years, but execution risk remains significant.