IPFM International Panel on Fissile Materials

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HEU INVENTORY		SUMMARY
	Never had significant amounts of HEU
	Less than 1 kg (has been cleared)	14
	1 to 10 kg	14
	10 to 100 kg	9
	100 to 1000 kg	11
	1000 to 10000 kg	6
	More than 10000 kg	2

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Afghanistan - Never had significant amounts of HEU

Albania - Never had significant amounts of HEU

Algeria - Never had significant amounts of HEU

Angola - Never had significant amounts of HEU

Argentina - 1 to 10 kg

Armenia - Never had significant amounts of HEU

Australia - 100 to 1000 kg

Austria - Less than 1 kg (has been cleared)

Azerbaijan - Never had significant amounts of HEU

Azerbaijan (Naxcivan) - Never had significant amounts of HEU

Bangladesh - Never had significant amounts of HEU

Belarus - 100 to 1000 kg

Belgium - 100 to 1000 kg

Belize - Never had significant amounts of HEU

Benin - Never had significant amounts of HEU

Bhutan - Never had significant amounts of HEU

Bolivia - Never had significant amounts of HEU

Bosnia and Herzegovina - Never had significant amounts of HEU

Botswana - Never had significant amounts of HEU

Brazil - Less than 1 kg (has been cleared)

Brunei - Never had significant amounts of HEU

Bulgaria - 1 to 10 kg

Burkina Faso - Never had significant amounts of HEU

Burma (Myanmar) - Never had significant amounts of HEU

Burundi - Never had significant amounts of HEU

Cambodia - Never had significant amounts of HEU

Cameroon - Never had significant amounts of HEU

Canada - 1000 to 10000 kg

Central African Republic - Never had significant amounts of HEU

Chad - Never had significant amounts of HEU

Chile - 1 to 10 kg

China - 1000 to 10000 kg

Colombia - Less than 1 kg (has been cleared)

Congo (Democratic Republic) - Never had significant amounts of HEU

Congo (Republic) - Never had significant amounts of HEU

Costa Rica - Never had significant amounts of HEU

Croatia - Never had significant amounts of HEU

Cuba - Never had significant amounts of HEU

Cyprus - Never had significant amounts of HEU

Czech Republic - 10 to 100 kg

Denmark - Less than 1 kg (has been cleared)

Denmark (Greenland) - Less than 1 kg (has been cleared)

Djibouti - Never had significant amounts of HEU

Dominican Republic - Never had significant amounts of HEU

Ecuador - Never had significant amounts of HEU

Egypt - Never had significant amounts of HEU

El Salvador - Never had significant amounts of HEU

Equatorial Guinea - Never had significant amounts of HEU

Eritrea - Never had significant amounts of HEU

Estonia - Never had significant amounts of HEU

Ethiopia - Never had significant amounts of HEU

Finland - Never had significant amounts of HEU

France - 1000 to 10000 kg

France (Corse) - 1000 to 10000 kg

France (French Guinea) - 1000 to 10000 kg

Gabon - Never had significant amounts of HEU

Gambia - Never had significant amounts of HEU

Georgia - Less than 1 kg (has been cleared)

Germany - 1000 to 10000 kg

Ghana - 1 to 10 kg

Greece - Less than 1 kg (has been cleared)

Guatemala - Never had significant amounts of HEU

Guinea - Never had significant amounts of HEU

Guinea-Bissau - Never had significant amounts of HEU

Guyana - Never had significant amounts of HEU

Haiti - Never had significant amounts of HEU

Honduras - Never had significant amounts of HEU

Hungary - 100 to 1000 kg

Iceland - Never had significant amounts of HEU

India - 1 to 10 kg

Indonesia - 1 to 10 kg

Iran - 1 to 10 kg

Iraq - Less than 1 kg (has been cleared)

Ireland - Never had significant amounts of HEU

Israel - 10 to 100 kg

Italy - 100 to 1000 kg

Ivory Coast - Never had significant amounts of HEU

Jamaica - 1 to 10 kg

Japan - 1000 to 10000 kg

Jordan - Never had significant amounts of HEU

Kazakhstan - 100 to 1000 kg

Kenya - Never had significant amounts of HEU

Kuwait - Never had significant amounts of HEU

Kyrgyzstan - Never had significant amounts of HEU

Laos - Never had significant amounts of HEU

Latvia - 10 to 100 kg

Lebanon - Never had significant amounts of HEU

Lesotho - Never had significant amounts of HEU

Liberia - Never had significant amounts of HEU

Libya - Less than 1 kg (has been cleared)

Lithuania - Never had significant amounts of HEU

Luxembourg - Never had significant amounts of HEU

Macedonia - Never had significant amounts of HEU

Madagascar - Never had significant amounts of HEU

Malawi - Never had significant amounts of HEU

Malaysia - Never had significant amounts of HEU

Malaysia (East) - Never had significant amounts of HEU

Mali - Never had significant amounts of HEU

Mauritania - Never had significant amounts of HEU

Mexico - 10 to 100 kg

Moldovia - Never had significant amounts of HEU

Mongolia - Never had significant amounts of HEU

Morocco - Never had significant amounts of HEU

Morocco (Western Sahara) - Never had significant amounts of HEU

Mozambique - Never had significant amounts of HEU

Namibia - Never had significant amounts of HEU

Nepal - Never had significant amounts of HEU

Netherlands - 100 to 1000 kg

New Zealand - Never had significant amounts of HEU

Nicaragua - Never had significant amounts of HEU

Niger - Never had significant amounts of HEU

Nigeria - 1 to 10 kg

North Korea (DPRK) - 10 to 100 kg

Norway - Less than 1 kg (has been cleared)

Norway (Svalbard) - Less than 1 kg (has been cleared)

Oman - Never had significant amounts of HEU

Pakistan - 10 to 100 kg

Panama - Never had significant amounts of HEU

Papua New Guinea - Never had significant amounts of HEU

Paraguay - Never had significant amounts of HEU

Peru - Never had significant amounts of HEU

Philippines - Less than 1 kg (has been cleared)

Poland - 100 to 1000 kg

Portugal - 1 to 10 kg

Qatar - Never had significant amounts of HEU

Romania - 10 to 100 kg

Russia - More than 10000 kg

Russia (Kaliningrad) - More than 10000 kg

Russia (Novaya Zemlya) - More than 10000 kg

Rwanda - Never had significant amounts of HEU

Saudi Arabia - Never had significant amounts of HEU

Senegal - Never had significant amounts of HEU

Serbia and Montenegro - 10 to 100 kg

Sierra Leone - Never had significant amounts of HEU

Slovakia - Never had significant amounts of HEU

Slovenia - Less than 1 kg (has been cleared)

Somalia - Never had significant amounts of HEU

South Africa - 100 to 1000 kg

South Korea - Less than 1 kg (has been cleared)

Spain - Less than 1 kg (has been cleared)

Sri Lanka - Never had significant amounts of HEU

Sudan - Never had significant amounts of HEU

Suriname - Never had significant amounts of HEU

Swaziland - Never had significant amounts of HEU

Sweden - 1 to 10 kg

Switzerland - 1 to 10 kg

Syria - 1 to 10 kg

Taiwan (China) - Never had significant amounts of HEU

Tajikistan - Never had significant amounts of HEU

Tanzania - Never had significant amounts of HEU

Thailand - Less than 1 kg (has been cleared)

Togo - Never had significant amounts of HEU

Tunisia - Never had significant amounts of HEU

Turkey - 1 to 10 kg

Turkmenistan - Never had significant amounts of HEU

Uganda - Never had significant amounts of HEU

Ukraine - 100 to 1000 kg

United Arab Emirates - Never had significant amounts of HEU

United Kingdom - 1000 to 10000 kg

Uruguay - Never had significant amounts of HEU

USA - More than 10000 kg

USA (Alaska) - More than 10000 kg

USA (Hawaii) - More than 10000 kg

USA (Puerto Rico) - More than 10000 kg

Uzbekistan - 100 to 1000 kg

Venezuela - Never had significant amounts of HEU

Vietnam - 10 to 100 kg

Yemen - Never had significant amounts of HEU

Zambia - Never had significant amounts of HEU

Zimbabwe - Never had significant amounts of HEU

The Global Distribution of Civilian Highly Enriched Uranium (HEU)

During the 1950s and 1960s, as part of their competing Atoms for Peace programs, the United States and the Soviet Union built hundreds of research reactors domestically and for export to more than 40 other countries. In response to demands for longer-lived fuel and maximum reactor performance, export restrictions on fissile materials were relaxed and most of these reactors shifted to fuel containing weapon-grade HEU.

As a result, HEU is still used today as a research-reactor fuel in about 140 civilian reactors worldwide. In addition, HEU often remains at sites of shut down, but not yet decommissioned reactors. Taken together, the global inventory of civilian HEU reactor fuel is very roughly 50 metric tons, widely distributed around the globe. According to a U.S. Government study, in 2004 there were around the world at least 128 sites associated with research reactors with at least 20 kilograms of HEU.

Since 1978, an international effort has been directed at converting HEU-fueled reactors to low-enriched fuel in the Reduced Enrichment for Research and Test Reactor (RERTR) program. Almost all new reactors designed since that time use LEU fuel. By the end of 2005, the RERTR program had converted or partially converted 42 research reactors. The world's remaining research reactors consume about 1,000 kilograms of HEU per year -- virtually all supplied by the United States and Russia. RERTR program analysts believe that 41 more reactors can be converted using existing LEU fuels.

A new fuel is now under development, which -- if successfully qualified -- would enable conversion of virtually all remaining HEU-fueled reactors worldwide. The main technical obstacle for a global HEU cleanout would be removed.