Critical raw materials
Critical raw materials are minerals and other materials considered economically important and vulnerable to supply disruption. They matter for batteries, wind turbines, electronics, defense, aerospace, medical devices, agriculture, and many industrial supply chains.
What they are
Critical raw materials are materials that policy makers identify as important to the economy, security, technology, or energy systems and at risk of supply disruption. The term is related to critical minerals, but lists and definitions differ by country or region. A material is not critical simply because it is rare in the crust. It becomes critical when demand is important, supply is concentrated or fragile, substitutes are limited, and disruption would be costly.
How criticality is assessed
Most criticality assessments combine two broad questions. First, how important is the material to industries, technologies, public services, or national security? Second, how risky is its supply because of geological concentration, processing bottlenecks, trade dependence, governance, environmental constraints, or geopolitical tension? Different governments weight these factors differently. That is why the European Union, United States, Japan, Australia, and other jurisdictions do not always publish the same lists.
Strategic materials
The European Union's Critical Raw Materials Act distinguishes critical raw materials from strategic raw materials. Strategic materials are especially important for green, digital, defense, and aerospace technologies, and the Act sets benchmarks for extraction, processing, and recycling capacity by 2030. This distinction matters because not every critical material needs the same response. Some need more geological exploration, some need processing capacity, some need recycling systems, and some need substitution or demand reduction.
Clean energy demand
Clean energy technologies can increase demand for certain minerals. Electric vehicles and batteries use lithium, nickel, cobalt, manganese, graphite, copper, and other materials. Wind turbines can use rare earth magnets. Power grids need large amounts of copper and aluminum. The climate benefit of clean energy remains important, but material supply has to be managed. Delays, price spikes, concentrated refining, or weak environmental standards can make transitions slower, more expensive, or less trusted.
Mining, processing, and refining
Supply risk is not only about where ore is mined. Processing and refining can be even more concentrated than extraction. A country may mine a material but depend on another country for refining, precursor production, component manufacturing, or recycling. Mining and processing also have local impacts: land disturbance, water use, tailings, emissions, worker safety, Indigenous rights, and community consent. Securing supply without improving standards can simply move environmental and social costs elsewhere.
Substitution and efficiency
One response to criticality is substitution: designing technologies that use less of a risky material or replace it with a more available one. Battery chemistries, motor designs, magnets, catalysts, and electronics can all shift material demand. Efficiency also matters. Better manufacturing yields, longer product lifetimes, repair, remanufacturing, and shared infrastructure can reduce the amount of primary material needed for the same service. These strategies can be quieter than new mines, but they can change demand at scale.
Recycling and urban mining
Recycling can reduce pressure on primary extraction, but it is not instant. Many critical materials are locked in products still in use, used in tiny quantities, mixed with other materials, or difficult to separate. Collection systems and product design often limit recovery. Urban mining, battery recycling, take-back systems, digital product passports, and material-flow analysis can all improve secondary supply. Still, growing demand may require both better recycling and responsible primary production.
Why it matters
Critical raw materials matter because modern economies are material systems. Energy transitions, digital infrastructure, medical technologies, agriculture, defense, and everyday electronics depend on supply chains that begin with physical resources. The policy challenge is not simply to extract more. It is to build resilient, transparent, lower-impact material systems that combine responsible sourcing, processing, recycling, substitution, efficiency, and fairer distribution of benefits and harms.