As of October 2014, Bill and Melinda Gates have donated $30.2 billion, 37 percent of their wealth, to various charitable causes, mostly through the Bill and Melinda Gates Foundation. In 2013 alone, the couple donated $2.65 billion for disease eradication, education reform and other programs.
In 2014, Forbes magazine named the Gateses as the most philanthropic Americans. Bill Gates' net worth as of December 2014 was $81.6 billion. At one point, his wealth was valued at $94.4 billion. He is one of the richest men in the world. Gates founded Microsoft after dropping out of Harvard University. He and his wife have three children.