Materials: Highly-enriched uranium

As of 4 November 2013, 30 countries had at least 1 kg of highly-enriched uranium in their civilian stocks. All HEU has been removed from 27 countries. 68 countries (including Taiwan) have research reactors that use HEU or LEU fuel.

More than 10000 kg: (2 countries)

  • Russia
  • United States

1000-10000 kg: (6 countries)

  • Canada
  • China
  • France
  • Japan
  • Kazakhstan
  • United Kingdom

100-1000 kg: (7 countries)

  • Belarus
  • Belgium
  • Germany
  • Italy
  • Netherlands
  • Poland
  • South Africa

10-100 kg: (4 countries)

  • Israel
  • North Korea
  • Pakistan
  • Uzbekistan

1-10 kg: (6 countries)

  • Argentina
  • Australia
  • India
  • Iran
  • Norway
  • Switzerland

About 1 kg: (5 countries)

  • Ghana
  • Indonesia
  • Jamaica
  • Nigeria
  • Syria

Cleared: (27 countries)

  • Austria
  • Brazil
  • Bulgaria
  • Czech Republic
  • Chile
  • Colombia
  • Denmark
  • Georgia
  • Greece
  • Hungary
  • Iraq
  • Latvia
  • Libya
  • Mexico
  • Philippines
  • Portugal
  • Romania
  • Serbia
  • Slovenia
  • South Korea
  • Spain
  • Sweden
  • Taiwan
  • Thailand
  • Turkey
  • Ukraine
  • Vietnam

Countries with research reactors that never used HEU: (11 countries)

  • Algeria
  • Bangladesh
  • Congo (DRC)
  • Egypt
  • Finland
  • Malaysia
  • Morocco
  • Peru
  • Tunisia
  • Uruguay
  • Venezuela