

The oldest current prime minister is 92 years and 141 days, achieved by Mahathir bin Mohamad (Malaysia, b. 20 December 1925), who became prime minister of Malaysia, in Kuala Lumpur, Malaysia, on 10 May 2018.
Mahathir bin Mohamad also served as prime minister of Malaysia from 1981 to 2003.
Read more: Mahathir bin Mohamad becomes Malaysia’s leader aged 92