Trade deals breathe new life into historic bloc

While often overlooked, the political and economic potential of the Commonwealth is vast and growing. The 56 countries of the Commonwealth, which include Oman, are a key platform for collaboration, connected by common institutions, and shared legal traditions. At the heart of this is a generally common language of English — though French and Portuguese nations also are in the club — with bonds that can be leveraged to strengthen connectivity.
The membership includes India, which is on track to become the world’s third-largest economy in coming years, leapfrogging Japan and Germany. Commonwealth economic output was estimated at around $14.2 trillion in 2022, and is projected to reach about $20 trillion by 2029.
This speedy forecast growth reflects the fact that so many of the world’s fastest-growing consumer markets are in the Commonwealth, especially across sub-Saharan Africa and South Asia, including key ASEAN, or Association of Southeast Asian Nations, markets such as Malaysia. Underpinning this is a demographic dividend. More than 60 percent of Commonwealth citizens — about 1.5 billion people of a total population of around 2.7 billion — are under the age of 30.
Intra-Commonwealth trade was worth about $854 billion in 2022. That figure is forecast to rise above $1 trillion as early as this year.
Meanwhile, the intra-Commonwealth stock of foreign direct investment was $1.7 trillion in 2022. Much of this stock of investment is fueled by industrialized, wealthier members of the club, including the UK, Canada, and Australia, which have potential to invest even more in growth across the bloc in the future. Take the example of the food sector. Intra-Commonwealth food trade was around $53 billion in 2022. Global Greenfield FDI in Commonwealth food sectors was a cumulative $70 billion from 2005 to 2023.
The Commonwealth’s economic proposition comes with a distinct advantage at its heart: Member countries already trade more and generate 10 percent more investment with each other than with nonmembers. Trade costs between Commonwealth nations are also estimated to 20 percent lower on average.
In the absence of existing tariff and nontariff barriers between Commonwealth nations, this advantage would be even higher since the club includes many of the world’s most dynamic emerging markets, while its scale and diversity create significant opportunities for innovation, investment, and economic partnership. This is a key reason momentum is growing for a potential Commonwealth trade liberalization deal building on the wide range of bilateral and plurilateral economic agreements already in place between member nations.
Of course, there are significant, practical challenges to the realization of a genuinely pan-Commonwealth trade bloc. This includes different levels of enthusiasm for the idea across the club. However, this offers an opportunity for coalitions of the willing to lead the way on this agenda with others joining later. One of the Commonwealth’s key assets has long been its flexibility and ability to adapt. 

The economic potential of the Commonwealth is growing.

Andrew Hammond

In time, deeper economic ties could also boost the bloc’s geopolitical influence. This might be especially useful for small and mid-sized countries seeking to strengthen their bargaining power.
As a leader within the Commonwealth, the UK has strong reason to be at the vanguard of the push for a stronger bloc. The UK is already negotiating separate trade deals with key member countries, including Canada, Australia, and New Zealand, building from recent agreements, including with India. As of 2026, UK exports to the Commonwealth are worth over £60 billion. So a wider bloc trade deal offers an opportunity to pool the economic benefits.
India, as one of the world’s largest democracies, is a nascent economic powerhouse that will continue to play a dominant role. In recent months, New Delhi has picked up the pace of trade liberalization, including striking deals with the UK and New Zealand.
Existing blocs, such as the existing Comprehensive and Progressive Trans-Pacific Partnership in Asia, offer the promise of wider opportunities, too. Moreover, the African Continental Free Trade Area, a continental market for goods and services with free movement for business people and capital, paves the way for a customs union.
A key next step in this important economic dialogue comes at the Commonwealth Business Forum 2026 to be held in Antigua and Barbuda in early November. The themes of the event will be strengthening collaboration, unlocking sustainable investment, and supporting inclusive growth.
The business summit will be part of the wider Commonwealth Heads of Government Meeting, which brings together King Charles, heads of government, ministers, and business leaders from across the bloc and beyond. The Commonwealth Secretary-General Shirley Ayorkor Botchwey, who will co-convene the event, has said trade and investment should “be at the heart of the Commonwealth’s renewal.”
Taken together, the Commonwealth’s business influence is only likely to grow given its composition of so many fast-growing emerging markets with a demographic dividend of high numbers of younger people. The most likely path to any bloc-wide trade deal is through coalitions of the willing, building from existing blocs, such as CPTPP and AfCFTA, leading the way on this agenda with others joining later.

• Andrew Hammond is an associate at LSE IDEAS at the London School of Economics.