Top 10 - Nuclear Powers of the World 2011

1. United States

First test : 1945

Nuclear stockpile size : 5,113

Last nuclear test : 1992

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2. Russia

First test :1949

Nuclear stockpile size : 2,825, Peak stockpile: 41,000

Last nuclear test : 1990

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3. China

First test : 1964

Nuclear stockpile size : 240

Last nuclear test : 1996

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4. France

First test : 1960

Nuclear stockpile size : 300

Last nuclear test : 1995

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5. United Kingdom

First test :1952

Nuclear stockpile size : 225

Last nuclear test : 1991

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6. Israel

First test : Possibly 1979

Nuclear stockpile size : Up to 400

Last nuclear test : Possibly 1979

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7. India

First test : 1974

Nuclear stockpile size : 40-95

Last nuclear test :1998

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8. Pakistan

First test : 28 May, 1998

Nuclear stockpile size : 70-90

Last nuclear test : 30 May, 1998

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9. North Korea

First test : 2006

Nuclear stockpile size : Less than 10

Last nuclear test : 2009

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10. Iran

First test : Never

Nuclear stockpile size : 2,400 kilogram of low-enriched uranium

Last nuclear test : Never

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