Pope Francis visits Canada to apologize to Indigenous peoples for abuses
PBS NewsHourAPR 2022
Although, traditionally, religious leaders die in office, the modern world has transformed the papacy. Technological advances - such as social media and the ability to travel worldwide - have created a more dynamic and burdensome role, while medical advancements, which extend life, mean good health in old age isn't able to keep up.
Despite the Pope's physical limitations, he is mentally fit and able to fulfill the most important duties of the papacy. While he's expressed openness to resigning, he hasn't yet made any announcement, and likely won't for some time.