Nuclear Security Index

Building a framework for assurance, accountability and action


Global leaders meeting at the Nuclear Security Summit had no baseline for securing weapons-usable nuclear materials. 


With the Economist Intelligence Unit, NTI created a first-of-its-kind public benchmarking of nuclear materials security in 176 countries.


The Nuclear Security Index has helped shape the agenda for the Nuclear Security Summits, and spur action to enhance security and reduce highly-enriched uranium stocks. 

The NTI Nuclear Security Index website is currently down for ongoing maintenance. In the meantime a downloadable version of the report is available here

The NTI Nuclear Security Index is a first-of-its-kind public benchmarking project of nuclear materials security conditions on a country-by-country basis in 176 countries. Initially launched in 2012, the NTI Index, prepared with the Economist Intelligence Unit (EIU), helped spark international discussions about priorities required to strengthen security and most important, is encouraging governments to provide assurances and take actions to reduce risks.

On January 14, 2016, the third edition of the NTI Index was released. 

The project draws on NTI’s nuclear expertise and the EIU’s experience in constructing indices, and the reach of the EIU's global network analysts and contributors. NTI—working with an international panel of nuclear security experts and a number of technical advisors—focused on the framework and priorities that define effective nuclear materials security conditions. The EIU was responsible for developing the Excel-based model and gathering the data.

The NTI Index assesses nuclear materials security conditions in 24 countries with one kilogram or more of weapons-usable nuclear materials across a broad framework capturing, actions, and other conditions that shape their nuclear security. An additional 152 countries with less than one kilogram of weapons-usable nuclear materials or none at all are assessed across a subset of the framework. This "theft ranking" was included in the 2012 and 2014 editions of the NTI Index.

For the first time, the 2016 NTI Index also looks at a third set of countries in a new "sabotage ranking." An act of sabotage against a nuclear facility could result in a significant radiological release with consequences on the same or larger scale as the accident at Fukushima, Japan. This assessment reviews the nuclear security conditions of 45 states with respect to the protection of nuclear facilities against sabotage.

The print report with NTI findings and recommendations, a complete discussion of the EIU methodology, and selected data.

A web site at with high-level results in an easily accessible format, including all country summaries.

A downloadable version of the NTI Index, available through the website, with complete results and data and extended interactive features, in an Excel format.

This project is co-led by Page Stoutland, vice president, nuclear materials program and Samantha Pitts-Kiefer, senior program officer. NTI thanks the funders who have supported this project, including the John D. and Catherine T. MacArthur Foundation, the Carnegie Corporation of New York and the Peter G. Peterson Foundation.

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Latest Activity

Nuclear Security in the Middle East

James Martin Center for Nonproliferation Studies, 1400 K Street, NW, Suite 1225, Washington, DC, 20005
Taking place on the eve of the Nuclear Security Summit, the speakers will bring an enlightening, regional perspective to the nuclear security community and seek to identify measures that regional states can adopt to increase nuclear security in their own countries and with respect to their ranking in the NTI Nuclear Materials Security Index.

Plutonium & Highly Enriched Uranium 2015

Lindner Commons, 6th floor, 1957 E Street, NW Washington, DC 20052
The Institute for Science and International Security periodically develops estimates of national inventories of plutonium, highly enriched uranium (HEU), and other nuclear explosive materials. These estimates cover inventories used to make nuclear weapons and those part of civil nuclear programs. The nuclear explosive materials are categorized by country, quantity, origin, and use (military or civil). Understanding the size, status, and production of these materials is essential to preserving international security and reducing the risk of nuclear war, proliferation, and terrorism.

Washington Post Raises Concerns For Nuclear Security Progress Post-Summit

In an editorial in the Washington Post, the editorial board praised the achievements of the Nuclear Security Summit, while raising serious concerns future progress after the fourth and final Nuclear Security Summit in March. Additionally, the editorial quoted NTI CEO and Co-Chairman on the state of U.S.-Russian relations.

2016 NTI Nuclear Security Index Launch

Ronald Reagan Building and International Trade Center
The 2016 NTI Nuclear Security Index assesses global nuclear security conditions in 176 countries. This year’s NTI Index focuses on two areas: the potential theft of weapons-usable nuclear materials and, for the first time, the potential sabotage of nuclear facilities.

NEW Op-Ed: The Greatest Terrorist Threat

On the heels of the Paris attacks, Sam Nunn, Richard Lugar and Des Browne call on leaders to keep nuclear and radiological materials out of the hands of terrorists in a new Politico op-ed.

Education Module Introduces Students to Nuclear Materials Security

A new education module for undergraduate and graduate college courses includes an introduction to nuclear materials security, a lecture outline and slides. The lesson plan includes a Model Nuclear Security Summit to develop students’ perspectives on nuclear materials security

2014 NTI Index Vienna Briefings

Vienna, Austria
NTI's Page Stoutland and Samantha Pitts-Kiefer will brief officials at the IAEA and members of the expert community at the Vienna Center for Disarmament and Non-Proliferation.

Countdown to the Nuclear Security Summit 2014

Washington, DC
NTI President Joan Rohlfing and Peter Mollema of the Netherlands Embassy in DC will discuss priorities for the 2014 Nuclear Security Summit at The George Washington University's Elliott School of International Affairs.

Launch of the 2014 NTI Nuclear Materials Security Index

National Press Club
NTI released the 2014 Nuclear Materials Security Index, a unique public assessment of the status of nuclear materials security conditions in 176 countries, at the National Press Club in Washington, DC on January 8, 2014.

Gains in Global Nuclear Security

One year after the launch of the NTI Nuclear Materials Security Index, more countries have taken steps to reduce the threat of nuclear terrorism and illicit trafficking. NTI tracks progress and notes opportunities for further gains in a new progress report.

A Next Step in Nuclear Arms Control: Securing Fissile Materials

The Brookings Institution
On June 28, NTI President Joan Rohlfing provided commentary to a panel discussion hosted by the Brookings Institution on the possibility of a nuclear control regime, requiring that all fissile materials be securely held.

NTI Contributes to Inaugural Publication

NTI contributed an article on the NTI Nuclear Materials Security Index to the International Network of Emerging Nuclear Specialists' inaugural publication, INENS Insights, which was distributed at the NPT PrepCom in May 2012.

MacArthur Foundation Interviews Deepti Choubey

The MacArthur Foundation interviews NTI senior director for nuclear and bio-security Deepti Choubey on the NTI Index and the urgent need to secure weapons-usable nuclear materials worldwide.

London Briefing of the 2012 NTI Nuclear Materials Security Index

London, United Kingdom
Deepti Choubey, co-lead of the NTI Index project and NTI's Senior Director for Nuclear and Bio-Security, gave a briefing about the NTI Nuclear Materials Security Index at the Royal United Service Institute's London headquarters on Thursday, February 9, 2012.

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Economist Intelligence Unit

The Economist Intelligence Unit is one of the foremost research and analysis resource in the world. Founded in 1946 as an in-house research unit for The Economist, EIU delivers ...
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