Politics: Bush 43 popular in Africa
Although many Africans, especially Muslims, share negative perceptions of Bush's foreign policy with other parts of the world, there is widespread recognition of his successful humanitarian and health initiatives on the continent.
Bush has stressed new-style partnerships with Africa based on trade and investment and not purely on aid handouts.
His Millennium Challenge Corp. rewards countries that continue to satisfy criteria for democratic governance, anti-corruption and free-market economic policies.
Bush signed the largest such deal, for $698 million, with Kikwete on Sunday.
Because of the U.S. anti-malaria program, 5 percent of patients tested positive for the disease on the offshore islands of Zanzibar in 2007 compared to 40 percent three years earlier, the Tanzanian leader said.
Bush's legacy in Africa would be saving the lives of hundreds of thousands of mothers and children who would otherwise have died from malaria or AIDS and enabling millions of people to get an education, he said.
"I know you leave office in about 12 months' time. Rest assured that you will be remembered for many generations to come for the good things you've done for Tanzania and the good things you have done for Africa," Kikwete said.
The Whitehouse web page has a section devoted to Africa issues.