Historically exploited by European powers and
increasingly by China in the Information Age, the Africans took a huge risk, when they pooled over 4% of their collective GDP into the construction of the Johannesburg Shipyard. Africa has mostly gotten over it's civil wars and differences, now taking to the stars as one continent. Notably, the nations of Egypt, Libya, Tunisia, Algeria, Morocco, and Western Sahara are the only nations to be part of two alliances at once.
The African Space Empire is primarily leading the colonization of Sirius.
Total Earth population 2.7 billion