By Abubakar M. Kareto
Watching a recent video on the African yam trade prompted my curiosity to research what sounded like an urban myth. The footage showed trucks crossing borders and bustling pack houses preparing tubers for overseas freight. In grocery stores across London, Amsterdam, New York, or Paris, clean yams sit stacked in export cartons. Nearly all carry Ghanaian tags. Yet many began their journey in Benue, Niger, Taraba, Nasarawa, or Kogi. Trucks leave Nigerian farms, cross Benin and Togo, and enter Ghana. Nigeria does the heavy lifting under the sun, while Ghana collects the revenue and global praise.
Nigeria remains the giant of yam production, harvesting 65,322,031 tonnes annually—nearly 70% of global supply. Ghana produces 10,113,000 tonnes, while Côte d’Ivoire harvests 7,661,000 tonnes. Farming the crop is not Nigeria’s problem. The breakdown happens when turning harvest into export wealth. While Ghana’s non-traditional farm exports topped $710.3 million, formal Nigerian yam exports yield under $5 million annually. While our neighbour dominates supply lines to Europe and North America, official Nigerian shipments barely register on international trade balance sheets.
The reason Nigerian yams detour through Ghana comes down to standards and trust. European authorities reject roughly 76% of farm shipments sent directly from Nigeria due to chemical residues and uncertified handling. Ghanaian traders focus heavily on post-harvest discipline. In hubs like Techiman, Kumasi, and Accra, workers sort, wash, dry, and wrap tubers in paper before packing them into 25 kg cartons. They strap the boxes and load refrigerated containers bound for Tema port. Foreign buyers trust the stamp because the processing is verifiable.
Faced with domestic port delays, road extortion, and European rejection rates, Nigerian traders take the line of least resistance. Instead of fighting domestic bottlenecks, they haul harvests across borders into Ghana’s supply chain. It is not traditional smuggling; it is borrowing a neighbour’s good name because your own institutions cannot clear foreign ports. This workaround helps farmers sell stock, but surrenders billions of naira in commercial value, processing margins, and national brand identity.
The economic loss to Nigeria is severe. By forfeiting direct export routes, the country loses an estimated $200 million to $300 million in foreign exchange annually to unrecorded cross-border trade. Meanwhile, Ghana captures hard currency, creates thousands of packaging and logistics jobs, and builds brand loyalty among diaspora consumers who are mostly Nigerian immigrants. A Nigerian abroad routinely pays $15 to $20 for a box of yams grown back home, simply because a neighbour boxed and certified it.
Domestically, the contradictions deepen. Nigeria struggles to meet an internal consumption need of 120 million tonnes. Without rural cold storage, farmers lose up to 40% of harvests to rot before tubers reach any market. Yields hover around 10 tonnes per hectare, far below the 30 tonnes modern agronomy delivers. Speeches cannot replace physical infrastructure. Nigeria has the land, climate, and farmers. What it lacks are certified testing laboratories, rural cold rooms, and basic tracking systems linking each tuber to its origin.
Ghana did not invent a better yam; it built a better path from the field to the cargo ship. Global demand for African food is surging as diaspora populations grow. Processing raw tubers into packaged flour and dried snacks yields profit margins 3 times higher than raw roots. Nigeria has every natural blessing to feed its 220 million people and dominate world trade. Until we fix post-harvest handling and trade logistics, the paradox will continue. Nigerian soil will feed the world, but Ghanaian labels will take the wealth and credit.
Abubakar M. Kareto is a Public Affairs Analyst and Communications Strategist focusing on governance, policies, economy, and institutional reforms across Nigeria and Africa. He can be reached on X @amkareto and via email at amkareto@gmail.com.
