Nuclear Disarmament	24.5 Points	Full Points 42	58.3%
	Change compared to the Hiroshima Report 2021：-1
Brazil has played a leading role in adopting the TPNW, which it has signed. It voted for most of the UNGA Resolutions regarding nuclear disarmament. Brazil participates in the IPNDV.
Nuclear Non-Proliferation	43 Points	Full Points 61	70.5%
	Change compared to the Hiroshima Report 2021：0
Brazil is a state party to the Latin America Nuclear-Weapon-Free Zone Treaty. While it complies with nuclear non-proliferation obligations, Brazil continues to be reluctant about accepting the IAEA Additional Protocol. It considers that the conclusion of the Additional Protocol should be voluntary. Brazil aims to become the first non-nuclear-weapon state to possess a nuclear submarine, while the status of discussions between Brazil and the IAEA on a modality of safeguards for the nuclear fuel for submarines is not clear.
Nuclear Security	29 Points	Full Points 41	70.7%
	Change compared to the Hiroshima Report 2021：0
Brazil has ratified all conventions relevant to nuclear security except the CPPNM/A. It has strengthened measures to prevent illicit trafficking. Brazil is also involved in multilateral efforts to strengthen nuclear security through participation in nuclear forensics activities.