The second biennial Nuclear Security Summit took place on March 26 and 27, 2012 in Seoul, South Korea and included representatives from 53 countries and 4 international organizations. At the 2012 Summit, participants delivered reports on progress their states had made in strengthening nuclear security at the national and international levels since the Washington, D.C. Summit and many committed to further action. Here you will find official documents from the 2012 Nuclear Security Summit.

Official Communiqué We, the leaders, gathered in Seoul on March 26-27, 2012, renew the political commitments generated from the 2010 Washington Nuclear Security Summit to work toward strengthening nuclear security, reducing the threat of nuclear terrorism, and preventing terrorists, criminals, or other unauthorized actors from acquiring nuclear materials. Nuclear terrorism continues to be one of the most challenging threats to international security. Defeating this threat requires strong national measures and international cooperation given its potential global political, economic, social, and psychological consequences." (click here to view)

Joint Statements
Each joint statement represents a “gift basket” of pledges among a group of countries. The joint statements were a new feature of the 2012 Seoul Nuclear Security Summit. Combined with the individual country pledges and the communique, this represents the totality of commitments made at the Summit. 

VIEW: List of 2012 NSS Joint Statement signatories (by statement)
VIEW: List of 2012 NSS Joint Statement commitments (by country)

National Progress Reports
The following progress reports were submitted by states attending the 2012 Seoul Nuclear Security Summit. These reports outline progress that  countries have made in their nuclear security practices since the 2010 Washington Nuclear Security Summit. 

National Statements
The following national statements were presented by participating state representatives on the first day of the 2012 Nuclear Security Summit. 

Highlights of Achievements and Commitments by Participating States as stated in National Progress Reports and National Statements
This document outlines achievements and commitments made by participating states in the 2012 Seoul Nuclear Security Summit. These include joining key international treaties and initiatives like the CPPNM and the Global Initiative to Combat Nuclear Terrorism; enacting domestic laws aimed at strengthening nuclear security; repatriating excess HEU and Pu; converting research reactors from HEU to LEU; establishing Centers of Excellence on nuclear security; and pledging contributions to the IAEA Nuclear Security Fund and the UN 1540 Committee. (click here to view)

Key Facts
This document outlines key facts relating to the 2012 Seoul Nuclear Security Summit. The fact sheet includes a list of participating countries and organizations; highlights from the Seoul Communiqué; a summary of commitments and achievements made between the Washington and Seoul summits; and plans for the next summit in 2014. (click here to view)