(Posted 19th October 2026)
2000
South Africa : $136B
Egypt : $99B
Algeria : $55B
Nigeria : $46B
Morocco : $38B
2005
South Africa : $257B
Nigeria : $176B
Egypt : $103B
Algeria : $103B
Morocco : $63B
2010
South Africa : $375B
Nigeria : $369B
Egypt : $218B
Algeria : $161B
Morocco : $93B
2015
Nigeria : $495B
Egypt : $332B
South Africa : $317B
Algeria : $166B
Morocco : $110B
2020
Nigeria : $429B
Egypt : $383B
South Africa : $337B
Algeria : $145B
Morocco : $128B
2026 (projected)
South Africa : $480B
Egypt : $430B
Nigeria : $377B
Algeria : $317B
Morocco : $194B
Source: IMF World Economic Outlook. Nominal GDP, current USD. 2026 figures are projections.
The story in one line: Nigeria went from #4 in 2000 to #1 in 2015 and is projected back to #3 by 2026. South Africa never left the top 3.
