This not-for-profit organization works to advance world understanding, goodwill and peace. Using Rotary Foundation grants, Rotary's 34,000 clubs across the globe develop and carry out sustainable humanitarian projects and provide scholarships and professional training opportunities.
One of its biggest initiatives aims at eradicating polio through its PolioPlus program, launched in 1985. Since then, Rotary and its partners, including the World Health Organization and the Bill & Melinda Gates Foundation, have immunized more than 2.5 billion children, reducing the incidence of polio by 99 percent and eradicating it from all but three countries.
Score: 96.31
It also made it on Forbes' list of the top 50 largest US Charities. (http://onforb.es/YMTpIz)