Zanzibar Electoral Commission says Dr Hussein Ali Mwinyi garnered 76.27 percent of the vote.
Remains of the genocide victims are still being discovered in many parts of the country over two decades after the genocide.
Macron's comments have triggered protests and a call to boycott French goods in some Muslim-majority countries.
Africa's second largest copper producer is one of China's prominent debtors, owing billions of dollars.
Tanzania's main opposition Chadema presidential candidate claims vote marred by irregularities at all stages and cannot be recognised.