Brasil avviklet sitt atomvåpenprogram i 1990 og frasa seg retten til å utvikle atomvåpen i 1994, men de har nå sine små uenigheter med IAEA fortsatt ->
During his winning campaign in January 2003, leftist Workers' Party presidential candidate Luiz Inacio Lula da Silva criticized the 1970 Non-Proliferation Treaty as unfair. "If someone asks me to disarm and keep a slingshot while he comes at me with a cannon, what good does that do?" da Silva asked in a speech. He later said Brazil has no intention to develop nuclear arms....
...In April 2004 the Brazilian government and International Atomic Energy Agency nuclear inspectors were at odds over inspections of an under- construction, uranium- enrichment facility near Rio de Janeiro. Brazil refused to allow IAEA inspectors to see the facility's equipment in order to protect proprietary information. They insisted that the facility will only produce low-enriched uranium, which is legal under the Nuclear Nonproliferation Treaty, so long as it is safeguarded. They also refused to fully cooperate with the IAEA’s investigation into the nuclear black market operated by Pakistani scientist A.Q. Kahn."