Grey power: As Joe Biden announces re-election bid, a look at world#39;s oldest elected leaders

The world#39;s oldest elected leader is Cameroon#39;s president Paul Biya, 90, who has ruled with an iron fist for more than four decades.

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​ The world#39;s oldest elected leader is Cameroon#39;s president Paul Biya, 90, who has ruled with an iron fist for more than four decades. The world#39;s oldest elected leader is Cameroon#39;s president Paul Biya, 90, who has ruled with an iron fist for more than four decades.  Moneycontrol Latest News Read More