Lydia Polgreen & Marjorie Connelly

Despite a thicket of troubles, from deadly illnesses like AIDS and malaria to corrupt politicians and deep-seated poverty, a plurality of Africans say they are better off today than they were five years ago and are optimistic about their future and that of the next generation, according to a poll conducted in 10 sub-Saharan countries by The New York Times and the Pew Global Attitudes Project.