Bill Gates will spend most of his wealth on improving health and education services in Africa over the next 20 years, the billionaire Microsoft co-founder pledged Monday. The big picture: He announced last month plans to spend more than $200 billion through the Gates Foundation that he established with ex-wife,

Africa is set to be the largest beneficiary of the $200 billion that the Gates Foundation plans to give away over the next two decades, co-founder Bill Gates said.