In the Hiroshima Report 2019, the performances of 36 countries were surveyed, based on their nuclear significance and geographical distribution—including members of the Non-Proliferation and Disarmament Initiative (NPDI), members of the New Agenda Coalition (NAC), participants of the Joint Statements on the Humanitarian Consequences of Nuclear Weapons. The Hiroshima Report 2020 continues to survey those same countries, as follows:

➢  Five nuclear-weapon states under the NPT (China, France, Russia, the United Kingdom and the United States);

➢  Non-state parties to the NPT possessing nuclear weapons (India, Israel and Pakistan);

➢  Non-nuclear-weapon states under the NPT (Australia, Austria, Belgium, Brazil, Canada, Chile, Egypt, Germany, Indonesia, Iran, Japan,Kazakhstan, South Korea, Mexico, Netherlands, New Zealand, Nigeria, Norway, Philippines, Poland, Saudi Arabia, South Africa, Sweden, Switzerland, Syria, Turkey and UAE); and

➢ Other (North Korea1)