Nigeria, Oct. 7 -- The World Bank has upgraded Nigeria's economic outlook, citing improved macroeconomic management and ongoing reforms as growth strengthens across much of sub-Saharan Africa.

Nigeria was among nearly three-quarters of African economies whose growth forecasts were revised upward in the World Bank's latest Africa Economic Update.

The Bank listed Nigeria alongside Angola, Ethiopia and Zambia as countries recording stronger economic performance.

"These gains reflect years of reforms and improved economic management," Andrew Dabalen, World Bank Chief Economist for Africa, said.

Dabalen, however, warned that stronger economic growth must translate into more jobs and improved living standards.

"The next challenge is turni...