ArcelorMittal's $120M Nimba Bet Is the Biggest Wager on Liberia in a Decade

ArcelorMittal Liberia, the country's largest foreign direct investor and its single largest private sector employer, has committed $120 million to expand iron ore production at its Nimba County concession. The investment — the company's largest capital commitment in Liberia since the original mine reopening in 2011 — will add a third processing line, upgrade the 267-kilometre railway that connects the mine to the Port of Buchanan in Grand Bassa County, and increase annual production capacity from approximately 5 million tonnes to an eventual target of 15 million tonnes.

ArcelorMittal Liberia operates under a 25-year mineral development agreement with the Government of Liberia, renegotiated in 2015 following pressure from civil society groups who argued the original 2005 agreement was insufficiently generous to the Liberian state. The current agreement includes a 7.5% royalty rate on iron ore exports, corporate income tax, and community development fund contributions of approximately $1 per tonne exported. At full expanded capacity, those contributions could add $15 million annually to county development budgets in Nimba and Bong — a significant figure in counties where government services remain severely underfunded.

The investment thesis hinges on iron ore prices remaining viable. The steel-making raw material has traded between $90 and $130 per tonne through most of 2025–2026, with prices driven primarily by Chinese blast furnace demand. China accounts for approximately 70% of global seaborne iron ore imports, and ArcelorMittal's Liberia operation competes with far larger and lower-cost producers in Australia and Brazil. The company's competitive edge is grade: Nimba ore typically assays at 65–68% iron content, among the highest-grade deposits in the world, commanding a premium over benchmark 62% Fe material.

For the approximately 18,000 direct and indirect employees and dependents of the operation — concentrated in Nimba County towns including Yekepa and Tokadeh — the expansion represents a measure of economic certainty in a region that has few alternative employers. Nimba County, with a population of approximately 600,000, has historically depended on agriculture and small-scale trade. The mine's community development contributions have funded schools, health clinics, and road maintenance that the county government has been unable to finance independently.

The risks are real. Iron ore prices fell 2.1% in the week of March 24 alone on weak Chinese manufacturing data. ArcelorMittal's global parent company, headquartered in Luxembourg, is managing a debt load and capital allocation across dozens of competing projects worldwide. If prices drop below $80 per tonne and sustain there, the economics of the Nimba expansion deteriorate sharply. The Liberian government, for its part, will need to ensure the enabling environment — power supply to the mine, road access, and the legal stability of the concession — remains intact through the construction phase.