It is not a rocket science that different generations of donors might also have different motivations when making a donation. A computer graphic shows the key differences in the features of donors to nonprofit organisations, based on their age.
One fact that strikes me about the non-profit sector is the little relevance (initially!) that is given to money. A group of people identify a social need and starts doing things. At a given time, they suddenly realise that to carry out all they have planned they need… money!