Looking at 2013/2014 effective altruist donation amounts: http://lesswrong.com/r/discussion/lw/m6o/lw_survey_effective_altruists_and_donations/
Looking at 2013/2014 effective altruist donation amounts: http://lesswrong.com/r/discussion/lw/m6o/lw_survey_effective_altruists_and_donations/