Mineral Commodities

Iodine

World mine production and reserves, 2024–2025

USGS Mineral Commodity Summaries 2026

Share of world mine production, 2025 · world total 34,000 metric tons

  • Chile 68%
  • Japan 26%
  • Turkmenistan 2.4%
  • Iran 2.1%
  • Azerbaijan 0.6%
  • Indonesia 0.1%
  • Russia under 0.1%
  • Other countries 0.7%

Chile accounted for 68% of world mine production of iodine in 2025 (23,000 metric tons of 34,000 metric tons). The three largest producers, Chile, Japan, and Turkmenistan, together supplied 96%. World output rose 3% from 2024 to 2025. Chile supplied 88% of U.S. imports of iodine in 2021–24, more than any other country.

Producer log

8 countries listed separately

World mine production and reserves. Units: metric tons, elemental iodine. 2025 figures are USGS estimates.
CountryMine production 2024Mine production 2025Share of world 2025Change on 2024Reserves
Chile22,00023,00068%+4.5%750,000
Japan9,3009,00026%−3.2%4,900,000
Turkmenistan8008002.4%0%70,000
Iran7007002.1%0%40,000
Azerbaijan2102100.6%0%170,000
Indonesia30500.1%+67%not available
Russia58under 0.1%+60%120,000
United Stateswithheldwithheld250,000
World total33,00034,000100%+3%more than 6,300,000

The world total excludes U.S. output, which USGS withholds.

United States

supply, trade and import sources

less than 50%

Net import reliance in 2025, as a percentage of apparent consumption.

2021>50
2022>50
2023<50
2024>50
2025<50

Import sources, 2021–24

  • Chile 88%
  • Japan 11%
  • Other countries 1%
United States, 2021–2025 (metric tons, elemental iodine, unless the row says otherwise). W = withheld by USGS; NA = not available; 2025 estimated.
Item20212022202320242025
ProductionWWWWW
Imports for consumption4,1204,2702,8603,4903,000
Exports1,2801,1401,4101,3401,300
Consumption: ApparentWWWWW
Consumption: Reported3,7203,3302,5803,0803,000
Employment, number6060606060

Source: USGS Mineral Commodity Summaries 2026, Iodine chapter (PDF page 108). How to read these figures.