Critical minerals occupy an unusual position in the global economy. They are often used in relatively small quantities, yet they enable products and infrastructure worth trillions of dollars. Copper, lithium, nickel, cobalt, graphite, rare earth elements and lesser-known strategic minerals sit inside electricity networks, batteries, vehicles, semiconductors, data centres, aerospace systems and advanced manufacturing.
The International Energy Agency’s Global Critical Minerals Outlook 2026 warns that the security of these supplies is becoming more fragile. Prices rebounded in 2025 and early 2026 as conditions tightened, export restrictions expanded and investment weakened. The IEA reports that critical-mineral investment fell by 9% during 2025, ending several years of growth. At the same time, processing and refining became even more geographically concentrated.
This is not simply a mining story. It is a lesson in how apparently minor components can create system-level exposure when supply, processing knowledge and specialised equipment are concentrated in a small number of places.
Refining is the strategic centre
Public debate often focuses on where minerals are found underground. The more consequential question is frequently where they can be processed to the quality required by manufacturers. During the past two years, the leading refiners—Indonesia for nickel and China for several other important energy minerals—accounted for more than three-quarters of growth in refined supply, according to the IEA.
For manganese, nickel and graphite, virtually all recent supply growth came from the dominant producer. This creates a vulnerability that cannot be solved by announcing new mines alone. Ore must be converted into usable material, and that requires chemical expertise, specialised equipment, infrastructure, reliable power and a trained workforce.
The project pipeline illustrates the imbalance. Outside dominant suppliers, planned rare-earth refining capacity reaches only around two-thirds of expected mine output by 2035, while planned magnet manufacturing represents roughly one-third. The missing middle between extraction and manufacturing is where diversification strategies can fail.
Trade policy is reshaping the market
UN Trade and Development counts nearly 100 new export measures affecting critical energy-transition minerals since 2020. These include licensing requirements, taxes, bans and quotas. Governments are using them to preserve domestic supply, encourage local processing and strengthen bargaining power.
For mineral-rich developing economies, that ambition is understandable. Exporting raw material while importing finished technology captures only a narrow share of the value chain. UNCTAD notes that lithium demand could increase by 353% between 2024 and 2040, creating a potential development opportunity for countries able to build processing, skills and supporting industries.
Yet a world of competing restrictions can also fragment markets and make investment harder to plan. The IEA estimates that full implementation of expanded rare-earth controls could place about $6.5 trillion in annual downstream production outside China at risk. The figure demonstrates the asymmetry: a modest volume of specialised material can affect an enormous base of manufacturing activity.
Resilience requires more than stockpiles
Companies should begin by mapping mineral dependence beyond direct purchasing. A manufacturer may not buy rare earths, graphite or cobalt itself, but its motors, electronics, batteries or industrial equipment may rely on them. Supplier visibility needs to extend far enough upstream to identify where concentration actually sits.
Substitution and design also matter. Engineering teams can sometimes reduce material intensity, qualify alternative chemistries or design products that are easier to repair and recycle. These choices take time, which makes them strategic decisions rather than emergency responses.
Governments have increased their involvement. The IEA says public finance commitments for critical minerals more than quadrupled between 2023 and 2025 to reach $65 billion. Targeted support has begun to diversify some rare-earth processing. But public capital is most effective when it addresses the entire chain: permitting, infrastructure, refining technology, equipment, workforce development, environmental performance and demand certainty.
A mineral security premium
Diversified supply may cost more than concentrated supply, particularly during its early development. That difference should be evaluated as an insurance premium rather than judged only against the lowest spot-market price. Critical minerals generally account for a limited portion of final product cost. The IEA estimates that they represent about 3% of the price of an average electric vehicle, even though they form a much larger share of battery-cell costs.
The objective is not complete national self-sufficiency, which would be inefficient or impossible for most economies. It is a network with enough alternative suppliers, processing routes, inventories, recycling and international coordination to absorb disruption without stopping downstream industries.
The next phase of industrial resilience will be shaped by resources that are easy to overlook because their physical volumes are small. Critical minerals reveal a broader strategic truth: the importance of an input is determined not by how much of it is used, but by how much activity depends on its uninterrupted availability.
Featured photograph: Chenyue Huang on Unsplash, used under the Unsplash License.
