South Africa is the only country that voluntarily gave up its nuclear weapons programme.
South Africa ended its nuclear weapons programme in 1989, this meant that all bombs (six constructed and one under construction) were dismantled.
South Africa signed to the treaty on the Non-Proliferation of Nuclear Weapons in 1991.
Sizwe Mpofu-Walsh on the Eusebius McKaiser Show chats to Unisa international politics professor Jo-Ansievan Wyk.
Unlike other states that dismantled their nuclear weapons programmes, South Africa started to dismantle its programme internally first.— Professor Jo-Ansie van Wyk, International politics - Unisa
She says the then-president FW de Klerk appointed a committee that started a process to dismantle its nuclear weapons programme.
The dismantlement of the programme was done in secret and by 1991 the international atomic energy agency urged South Africa to sign the treaty.— Professor Jo-Ansie van Wyk, International politics - Unisa
Listen below to the full interview: