Securing vulnerable and dangerous weapons-usable nuclear materials is a vital step to preventing nuclear terrorism and illicit trafficking.

The NTI Nuclear Materials Security Index is a first-of-its-kind public benchmarking project of nuclear materials security conditions on a country-by-country basis. The NTI Index, prepared with the Economist Intelligence Unit, was created to spark an international discussion about priorities required to strengthen security, and most importantly, encourage governments to provide assurances and take actions to reduce risks. Learn More

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Explore Our Data

Countries With
Weapons-Usable Nuclear Materials

This set of data includes 32 countries with one kilogram or more of weapons-usable nuclear materials, which are assessed across the categories below. See map.

Categories

  • Domestic Commitments & Capacity
  • Societal Factors
  • Quantities & Sites
  • Security & Control Measures
  • Global Norms

Countries Without
Weapons-Usable Nuclear Materials

This set of data includes 144 countries with less than one kilogram or no weapons-usable nuclear materials at all, which are assessed across the categories below. See map.

Categories

  • Domestic Commitments & Capacity
  • Global Norms
  • Societal Factors
  • International experts

    International Panel of Experts

    Learn more about the International Panel of Experts and hear in their own words how the NTI Index was created and can be used to improve nuclear materials security conditions.

  • Updates/Corrections

    Updates/Corrections

    Check here for updates or corrections to the NTI Index, since the January 2012 launch.

  • Excel tool

    Download NTI Index

    Download the NTI Index (in Excel) to access the full results, compare countries, sort the data at the sub-indicator level, and access other extended features.