One in ten people are older than 65. Three in four live under a leader who is

Globally, three in four people live under a leader over 65, with two in three under leaders older than 70—far exceeding the typical retirement age. Africa has the oldest leadership, with a median leader age of 70 and many autocratic rulers who have served for decades, exemplified by Cameroon's 93-year-old president Paul Biya. European and South American leaders tend to be younger, with median ages in the mid-50s, while globally the median leader age is around 64.