I help run (as a volunteer board member and former officer) a non-profit that helps elderly people continue to live fulfilling lives independently in their homes. We basically offer volunteer services to help them with tasks they can no longer do and lots of social activities to keep them from getting lonely. As a result, I have known a lot of people in the 65-95 range over the last nine years. The median age of our members is, drum roll please, 78.
Our members have a wide range of physical capabilities but we have many members in different social groups dedicated to specific physical activities including walking, running, swimming, biking, tennis, pickleball (so much pickleball), golf, and yoga. I’d say that about 10% of our members can’t walk unassisted, and Trump is clearly better off physically than they are. I don’t see that being able to golf with a cart and stand for a few hours at a time bumps him too far up the rankings but I’ll give him the benefit of the doubt and say that he is probably just a bit below the average for our members.
My basic impression is that cognitively, only a few of our 250 odd members are worse than Donald Trump. We have very active social groups dedicated to memoir writing, fiction writing, poetry appreciation, poetry writing, playwriting, play production, documentary film making, current events, chess, Scrabble, and a bunch more I’m forgetting about. Nearly all of our members engage actively in one or more of these activities. Our average member participates in at least four social activities like these per month.
Our board is also mostly composed of the people it serves so I see people in their 70s and 80s who need to evaluate and decide on complex issues, which in recent years have included hiring a new executive director, signing a lease, deciding whether to sublease a portion of their space, launching a retirement plan, adding health benefits for employees, and merging with two other similar organizations that were simply failing. I’ve known about 30 board members over the past nine years and only two of those seemed to be at anywhere near Trump’s level of cognitive dysfunction. For them, it mostly manifested as being quiet and offering no substantive input to decisions.
On the extremely capable end, I knew a 92 year old guy (unrelated to the organization above) who used to bike ride seven miles to work every every day running a small but influential non-profit that required him to regularly raise hundreds of thousands of dollars and give many long speeches. In his down time, he played tennis. He was also an indisputable American hero who was once seriously discussed as a potential Republican presidential candidate. Trump couldn’t hold a candle to him in any way.
Admittedly, the older people I know are generally healthier than average because we screen members seeking volunteer services to make sure that they don’t need more than we can offer. There is also a survivorship bias (figuratively and literally) because if members get too sick or diminished to live in their homes anymore, they tend to quit the organization. Even accounting for that bias, I still think that Trump is probably only a bit better physically than the average 78 year old and is way worse cognitively.