JOHANNESBURG, South Africa (AFP) — Africa’s overall economy should advance in 2015, expanding by 4.5 per cent, showing resilience despite weak commodity prices and the devastating Ebola epidemic, an annual report published Monday said.

And future growth could be spurred by the continent’s population doubling to two billion over the next 35 years, repeating in Africa the economic boom seen in Asia’s biggest countries.

“Africa’s gross domestic product (GDP) growth is expected to strengthen to 4.5 per cent in 2015 and 5.0 per cent in 2016 after subdued expansion in 2013 (of 3.5 per cent) and 2014 (3.9 per cent),” said the report, co-authored by the Organisation for Economic Co-operation and Development (OECD), the African Development Bank and the UN Development Programme (UNDP).

The continent has so far been “relatively resilient to the sharp fall in international commodity prices,” said the report, such as crude prices which dropped more than 50 per cent between June and January.

And if the commodity prices remain low, the report warned that the economies of resource-rich countries, such as leading oil exporters Nigeria and Angola, may slow down as their governments will inevitably have to trim spending.

The latest forecast is a downward revision from projections made in 2014 which suggested Africa’s economy was going to expand by 5.7 per cent this year.

At the same time, economists noted that Africa’s increasing population could boost growth in much the same way that population booms fuelled development in China and India.

“This phenomenon may be helpful as was the case with India and China because the demographic dividends usually help growth,” OECD Development Centre director Mario Pezzini told AFP.

But if Africa fails to absorb the enormous youth bulge in the labour market, “then you may have very strong tensions,” he added.

Jobs, Ebola

An estimated 23 million youths are expected to enter the African labour market this year alone, according to the report.

Of those, four million will be in North Africa, the region that dragged down the continent’s growth rates last year, as a result of fallout from the 2011 Arab Spring popular uprisings.

That region grew by just 1.7 per cent last year.

Southern Africa slowed to below 3.0 per cent in 2014 due to labour unrest in South Africa, the continent’s most advanced economy which grew by just 1.5 per cent.

“In part the lower rates of growth in Africa were related to the social crises in South Africa and we are expecting that (they) are reducing now and as such South Africa will have a rate of growth that’s better than in the past,” said Pezzini.

Despite being ravaged by deadly Ebola virus, the West African region fared relatively well, posting an average 6.0 per cent growth last year.

Oil-rich Nigeria, the continent’s largest economy, which was not at the epicentre of the Ebola crisis, saw 6.3 per cent growth in 2014 fuelled mainly by non-oil sectors.

But the countries worst hit by Ebola — Liberia, Ghana and Sierra Leone — will be seriously affected and economic activity will remain subdued “notably in Sierra Leone where the economy is expected to contract,” from a previous 10 per cent growth rate, the report said.

East Africa was the best performing region, accelerating more than 7.0 per cent last year, with Ethiopia being counted among the best. But that growth may slow down to 5.6 per cent this year partly due to unrest in oil-producing South Sudan.

The latest continental predictions in the OECD-led report are in line with the International Monetary Fund’s projections of 4.5 per cent in 2015, but are slightly more optimistic than the World Bank’s forecast of 4.0 per cent.