Critical Materials Atlas
Critical material · profile · CN 8112 31 00

Hafnium, unwrought

China leads exports of hafnium, unwrought (32% of trade) and is itself a major miner (9% of output); the largest miner, Australia (31%), exports far less.

Trade year 2024 · reconciled CEPII BACI · mine/refine/reserves USGS & IEA (approx.)

33/100
supply-risk index
46 yr
reserve life (reserves ÷ mining)
⚗ by-product
of zirconium
🇦🇺 Australia
lead reserves · 74%
🇦🇺 Australia
lead miner · 31%
🇫🇷 France
lead refiner · 49%
🇨🇳 China
top exporter · 32%
0.16
export concentration (HHI)

Primary uses. nuclear reactor control rods; aerospace superalloys; microchip gate dielectrics.

⚗ A by-product, not a primary metal. Hafnium, unwrought is not mined for its own sake — it is recovered as a by-product of zirconium. So its supply tracks the zirconium market, not its own price: a shortage can’t quickly pull more out of the ground, because miners dig for zirconium, not for this. That inelastic supply is a core, often-missed supply-risk driver.
Exporter ≠ largest miner. Hafnium, unwrought is exported mainly by 🇨🇳 China (32% of trade), which is itself a major miner (9% of output). The largest miner, 🇦🇺 Australia (31%), exports far less — so the trade ledger still overstates China's share of the underlying source. Gap: +23 points.
China’s share of world hafnium, unwrought exports, 2002–2024: 14% ↑ 32%

The chain — from the ground to the buyer

A critical material passes through distinct stages, and the country that leads each stage is often different — that gap is what this atlas exists to show. Each layer comes from a different public source with its own vintage, labelled below; shares are % of the world total.

● Reserves — where it could come from

Reserves are the deposits known to exist and economically worth mining — the long-run ceiling on supply, distinct from what is actually produced today. Hafnium's reserves are highly concentrated: 🇦🇺 Australia holds the most (74%), ahead of 🇿🇦 South Africa (8%) and 🇸🇳 Senegal (4%). At today's extraction rate the known reserves would last roughly 46 years, so scarcity is not the binding constraint — access, capital and processing capacity are. USGS 2024 · reserves as of 2023

🇦🇺 Australia74%
🇿🇦 South Africa8%
🇸🇳 Senegal4%
🇲🇬 Madagascar3%
🇲🇿 Mozambique2%
🌍 Others (not detailed)9%

● Mined — where it is dug up today

Mining is where ore leaves the ground — the stage most people equate with “the source”, though it is rarely where the supply risk actually concentrates. Output is broadly diversified: 🇦🇺 Australia supplies 31%, with 🇿🇦 South Africa (25%) next. USGS 2024 · 2023 production

🇦🇺 Australia31%
🇿🇦 South Africa25%
🇨🇳 China9%
🇺🇸 United States6%
🇮🇩 Indonesia6%
🇲🇿 Mozambique6%
🇸🇳 Senegal3%
🇰🇪 Kenya2%
🇲🇬 Madagascar2%
🇸🇱 Sierra Leone2%
🌍 Others (not detailed)8%

● Refined / processed — where it becomes usable metal

Refining / processing converts ore into the metal or compound buyers actually purchase; it concentrates in fewer hands than mining and sits at the buyer's doorstep, which is why it is usually the true chokepoint. 🇫🇷 France processes 49% — concentrated. So although 🇦🇺 Australia mines the most, France controls processing: the dependency the mine map hides, and the reason import-origin statistics misread the real source. On the buffers: 0% of supply is recovered from end-of-life recycling and substitutes are scarce. EU CRM 2023

🇫🇷 France49%
🇺🇸 United States44%
🇷🇺 Russia3%
🇨🇳 China3%
🌍 Other countries1%

● Recycling & substitutability — the mitigants (EU CRM)

0% of supply comes from recycling end-of-life products — there is essentially no end-of-life recycling, so a disruption has no secondary cushion. Substitutability is high — few or no alternatives, so a disruption bites hard.

● Traded — who ships it

⛓ Trade shown under HS 811292 — a shared code. Gallium, germanium and hafnium all clear customs under this one 6-digit line, so their trade columns are identical and cannot be separated. Any trade-based concentration figure for this material is really measuring three supply chains at once — it can only be split at 8-digit national tariff lines. The mine, refine and reserve layers above are material-specific.

Actual bilateral trade of the traded form, reconciled from UN Comtrade / CEPII BACI. Pick a year below — 2018–2024 measured, 2025* nowcast, 2026** directional scenario. The full 2002–2026 range is on the interactive atlas.

year2024
Top exporters — reconciled trade, 2024
Countrysharevaluetonnes$/t
🇨🇳 China32%$319M1.5 kt$216,419/t
🇩🇪 Germany19%$191M922 t$205,609/t
🇸🇬 Singapore9%$91M339 t$267,187/t
🇺🇸 United States7%$68M446 t$148,666/t
🇧🇷 Brazil5%$55M911 t$60,334/t
🇰🇷 South Korea4%$42M138 t$301,432/t
Top importers — reconciled trade, 2024
Countrysharevaluetonnes$/t
🇺🇸 United States32%$324M779 t$414,972/t
🇨🇳 China13%$130M1.1 kt$121,093/t
🇩🇪 Germany11%$106M265 t$397,600/t
🇰🇷 South Korea10%$99M416 t$235,912/t
🇯🇵 Japan7%$68M561 t$119,795/t
🇭🇰 Hong Kong7%$68M359 t$188,765/t

Context

The sharpest naive trap in the atlas: the member-state view says Germany ~88%, while the true origin is the US (~60%) and China (~21%). A nuclear- and superalloy-grade metal almost entirely hidden behind one clearing country.

Explore hafnium in the atlas → The origin gap Methodology

Every figure on this page is computed from out/data.json and out/flows_2024.json by build_profiles.py — no hand-entered numbers.