Why Ghana is sticking with cotton notes instead of switching to plastic currency

Ghana will continue using traditional cotton-based banknotes in its upcoming Heritage Series currency redesign, rather than switching to plastic or polymer notes like some developed nations. The Bank of Ghana has clarified that this decision reflects the country's tropical environment and remains aligned with international best practice, whilst introducing significant improvements to durability and security.

Dominic Owusu, Director and Head of Currency Management at the BoG, outlined the reasoning behind retaining cotton material during a recent interview. Ghana's warm climate, high humidity and intense sun exposure create conditions where cotton-based notes perform more reliably than plastic alternatives. The central bank studied the experience of countries that have adopted polymer banknotes and found that most operate in temperate climates with cooler, less humid conditions than Ghana experiences.

Why cotton works better in tropical conditions

The tropical environment presents unique challenges for currency durability. High moisture levels, perspiration from frequent handling, and intense heat can degrade materials differently than in temperate zones. Mr Owusu emphasised that Ghana is not alone in this approach—most African nations, alongside the United States and parts of Europe, continue to use cotton-based banknotes for these practical reasons.

However, the Bank of Ghana is not simply maintaining the status quo. The Heritage Series banknotes will feature reinforced cotton material designed to extend their lifespan significantly. The central bank is investing in enhanced security features and improved functionality to modernise the currency whilst respecting the material that works best in Ghana's climate. These upgrades aim to protect the integrity of the cedi and ensure it remains secure and trusted internationally.

Enhanced security and durability in the new notes

The Heritage Series represents a significant modernisation effort by the BoG. Beyond the strengthened cotton base, the new banknotes will incorporate advanced security measures to combat counterfeiting and protect the nation's currency system. The improved functionality is intended to meet evolving requirements in banking technology and public use.

Despite improvements to durability, the Bank of Ghana has urged Ghanaians to continue handling banknotes with care. Stronger material does not justify mishandling or negligence—the central bank remains committed to promoting respect for the physical currency as a symbol of Ghana's sovereignty, economic identity and national pride.

What this means for Ghana's currency evolution

The Heritage Series initiative reflects the BoG's broader strategy to balance modernisation with practical adaptation to local conditions. Rather than adopting solutions designed for other climates, Ghana is taking a context-aware approach that respects both technological advancement and environmental reality. This positions the cedi as a currency that is simultaneously contemporary in security and locally optimised in material science.

The official launch of the Heritage Series banknotes is scheduled for November 3, 2026, at the Bank Square in Accra. The rollout will mark a significant milestone in Ghana's currency management and reinforce public confidence in the cedi as a durable and trustworthy medium of exchange.