As Yahya Jammeh Finally Steps Down, Here’s A List Of Current Africa’s Longest Serving Leaders.

King Mswati III (Swaziland) — 30 years

Age: 48

In power since: April 1986, upon turning 18, nearly four years after the death of his father, the previous king.
No popular election for the king: Swaziland is Africa’s last remaining absolute monarchy, which is hereditary. The country has an elected Parliament, and Mswati chooses a prime minster from among the elected members.