Rankings at a glance
Highest 10 · Iron ore reserves (crude ore) (2025)
Among the 17 countries with 2025 data, Australia has the highest iron ore reserves (crude ore) at 59.0 billion metric tons in 2025, followed by Russia (35.0 billion metric tons) and Brazil (34.0 billion metric tons). The top 5 is rounded off by China (17.0 billion metric tons) and Mauritania (10.0 billion metric tons). Further down, Ukraine (6.5 billion metric tons) and Canada (6.0 billion metric tons) hold the next two spots. India (5.5 billion metric tons), Iran (4.2 billion metric tons), and Kazakhstan (3.8 billion metric tons) round out the top ten. Across the top ten, Australia is 16× as high as Kazakhstan (3.8 billion metric tons). Four of the top ten are in Asia.
Rank changes
How iron ore reserves (crude ore) changed between two years
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Historical trends
Key terms
- Proved reserves
- — Quantities of crude oil or natural gas that geological and engineering data demonstrate with reasonable certainty are recoverable under existing economic and operating conditions.
- Recoverable reserves
- — Coal that can be technically and economically extracted with current mining methods at current prices. Excludes inaccessible deposits.
- Billion barrels (B bbl)
- — Unit for oil reserves. One barrel equals 42 US gallons or about 159 litres.
- Trillion cubic feet (TCF)
- — Unit for natural gas reserves. One TCF is roughly 28.3 billion cubic metres.
- Million short tons (M ST)
- — Unit for coal reserves. One short ton equals 2,000 lb or 907 kg.
Frequently asked questions
- Which country has the highest iron ore reserves?
- Australia has the highest iron ore reserves among the 17 countries with 2025 data at 59.0 billion metric tons as of 2025, according to U.S. Geological Survey (USGS).
- Which country has the lowest iron ore reserves?
- Türkiye has the lowest iron ore reserves among the 17 countries with 2025 data at 150.0 million metric tons as of 2025, according to U.S. Geological Survey (USGS).
- What is the total iron ore reserves worldwide?
- The combined iron ore reserves across 17 countries total 193.0 billion metric tons as of 2025, according to U.S. Geological Survey (USGS).

