http://www.forbes.com/sites/hayleycuccinello/2020/09/08/elon-musk-has-promised-to-give-at-least-half-his-fortune-to-charity-heres-how-much-hes-donated-so-far/
Elon Musk Has Promised To Give At Least Half His Fortune To Charity. ... We estimate that so far he has given about $100 million to charitable causes. Because he’s given away less than 1% of his net worth, he received a philanthropy score of 1.