Manganese — Exposure and concentration report
Adds trade-flow forensics from official customs statistics, a concentration score for every stage of the chain, policy and sanctions exposure by jurisdiction, and the substitution and recycling picture.
At a glance
- Largest producer
- South Africa 38%
- USGS Mineral Commodity Summaries 2026
- Top 3 producers
- 72%
- share of world output
- Concentration (HHI)
- 2,290
- moderately concentrated
- Producing countries
- 9
- 2 supply half
- Export measures
- 2
- USGS compilation, Jan 2026
- US import reliance
- 100%
- net, 2025 (USGS)
Key findings
What the evidence shows
World production and the largest producer
The USGS puts world production at 20,000 thousand metric tons. South Africa is the largest producer with 38% of the total.
How concentrated supply is
The Herfindahl-Hirschman index over country shares is 2,290 (moderately concentrated). The top three producers hold 72%; 2 countries supply half.
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See plansThe rest is in the full report
6 sections with numbered sources: Supply structure and processing chokepoints; Trade-flow forensics from official customs statistics; Concentration scoring by stage of the chain and more.
Full analysis and cited sources
Supply structure and processing chokepoints
South Africa is the largest producer of manganese, at 37.7 percent of the published world total in 2025[1]. It is followed by Gabon at 24.8 percent, Ghana at 9.9 percent and Australia at 7.9 percent. The USGS puts world production at 20,000 thousand metric tons; the sum of the country figures is 20,140 thousand metric tons, the difference being rounding in the published total.[1] Reserves are held principally by Australia (580,000 thousand metric tons), South Africa (550,000 thousand metric tons), Brazil (300,000 thousand metric tons)[1]. The largest reserve holder is not the largest producer, which is the usual sign that the constraint is capital and permitting rather than geology.
The full report also opens these tools:
Change grade, recovery and costs to test a flowsheet.
Typical off-spec deductions for deleterious elements (As, Bi, Sb, etc.).
Model cargo financing, letters of credit and landed cost.
Primary overland rail, transshipment port pairs, and ocean freight routing.
What’s in the full report
6 sections · approximately 611 more words
- 01Supply structure and processing chokepoints
- 02Trade-flow forensics from official customs statistics
- 03Concentration scoring by stage of the chain
- 04Policy, sanctions and export-control exposure by jurisdiction
- 05Substitution, recycling and secondary supply
- 06What breaks first, and what it would cost
Executive Briefing & Strategic FAQ
Essential empirical supply-chain and geopolitical questions for market participants and intelligence analysts.
Which countries dominate global mining and refining for Manganese?▼
Global Manganese production is characterized by high geographical concentration in both raw extraction and chemical processing, as documented in MiningBridge's empirical supply-chain models.
What are the critical supply chain bottlenecks and geopolitical risks for Manganese?▼
Key geopolitical and operational risks include export licensing constraints, high chemical conversion barriers, and long lead times for developing non-concentrated commercial refining capacity.
What are the primary commercial uses for Manganese, and can it be substituted?▼
Manganese is essential across energy transition, advanced electronics, and defense systems. While direct substitutes exist in select low-performance applications, replacing Manganese in mission-critical hardware incurs significant metallurgical and cost trade-offs.