If volunteering remains flat but the population (and thus, demand)bgrows for 50 years, then the conclusion is that less people are proportionally volunteering.
If volunteering remains flat but the population (and thus, demand)bgrows for 50 years, then the conclusion is that less people are proportionally volunteering.
As a percentage..
https://bloomerang.com/blog/volunteer-statistics
https://nonprofitquarterly.org/good-young-old-forty-years-am...