The Hidden Subsidy Behind Global Trade
by Wolfgang Lehmacher, Advisory Board Member of The Logistics & Supply Chain Management Society, Global Supply Chain Expert, Partner at Anchor Group, and Advisor at Topan AG.
A new report from the World Maritime University finds that seafarers in Europe still face weaker labor and social protections than land-based workers, including gaps in working time and social rights. That matters far beyond shipping. It points to a larger truth about the global economy: a significant part of world trade is still underwritten by a human cost that rarely appears in freight rates, policy models or boardroom risk assessments.
Photo: Amine İspir
Around 80–90 per cent of world trade by volume moves by sea. Yet the people who crew the ships remain largely invisible in debates about globalisation. The cost of fuel, finance and insurance is carefully counted; the cost of months away from home, chronic fatigue, psychological strain and damaged family life is not. What keeps trade cheap and reliable is not only scale and technology but also the emotional burden borne by seafarers and their households.
The evidence is now too substantial to dismiss as anecdotal. Recent studies suggest that roughly a quarter to a third of seafarers show signs of depression, while about one in five report suicidal thoughts on standard clinical screening tools. Anxiety levels are also markedly elevated, and researchers consistently link poor mental health at sea to long hours, sleep disruption, isolation and prolonged separation from family. Some studies indicate that suicide accounts for a significantly higher share of deaths at sea than on land, though precise global trends remain hard to establish because reporting is uneven.
This is not just a humanitarian problem. It is a business and trade problem. Guidance from maritime medical and insurance bodies makes clear that serious mental-health incidents at sea can force emergency disembarkations or vessel diversions, imposing substantial direct costs through delays, fuel burn and port charges. Health-economics research links depression and anxiety to more errors, lower productivity and higher medical costs. In a sector where safety margins are thin and schedules are tight, those costs do not stay confined to the crew. They spill into supply chains.
The language of hidden subsidy matters. Economists quantify the environmental externalities of shipping, from air pollution to climate impact, and policymakers spend increasing time battling over industrial subsidies, tariffs and other trade distortions. But the human cost of maritime labour still sits largely outside these calculations, even though the underlying logic is similar: part of the real cost of trade is being shifted onto people with limited bargaining power.
The burden is also unevenly distributed. The global fleet depends heavily on seafarers from countries such as the Philippines, India, Indonesia and several Eastern European states. At the same time, UNCTAD has shown that developing economies face higher trade-cost burdens and greater transport effort per dollar of trade than developped countries. Put bluntly, many of the same societies that gain least from globalisation’s upside supply much of the labour that keeps the system functioning under pressure.
The pandemic briefly made this visible. Crew-change restrictions left many seafarers stranded on vessels beyond their contracts and others unable to join ships at all, prompting what international organisations described as a global crew-change crisis. That episode exposed a reality the industry has still not absorbed: seafarer welfare is not a side issue. It is part of the resilience of global trade itself.
Regulators should treat seafarer mental health as a safety issue and enforce existing labour protections with greater seriousness. Trade and development institutions should broaden their idea of trade costs to include labour and wellbeing, not just freight, time and emissions. Boards, investors and charterers should treat crew welfare as a material risk variable, incorporating contract length, rest hours, shore leave and access to confidential support into their assessments.
Global trade has never been free. The question is whether its next chapter will continue to rely on a workforce paying part of the bill in emotional currency. The new labour-rights evidence suggests that this cost is not incidental to the system. It is embedded within it.
About the Author
Wolfgang Lehmacher is an Advisory Board Member of The Logistics & Supply Chain Management Society, a global supply chain expert, a partner at Anchor Group, and an advisor at Topan AG. He is the former Director at the World Economic Forum and CEO Emeritus of GeoPost Intercontinental. Wolfgang also serves as an ambassador for F&L and as an advisor to GlobalSF and RISE. He contributes to the field of maritime informatics and is the co-editor of Maritime Decarbonization.
