Europe
From Obiang to Putin: longest-serving heads of state
4 years agoRussian President Vladimir Putin gives a speech during a ceremony formally annexing four regions of Ukraine Russian troops occupy - Lugansk, Donetsk, Kherson and Zaporizhzhia, at the Kremlin in Moscow on September 30, 2022. (Photo by Grigory SYSOYEV / SPUTNIK / AFP)
Equatorial Guinea's President Teodoro Obiang Nguema Mbasogo, who is seeking a sixth term in elections on Sunday, is the world's longest-serving president, having spent 43 years in power.