As we all know, Africa/Kwatu does not use it's correct borders & this is due to colonisation & the Berlin Conference of 1884. So which would be the most populous countries in Africa if we were to revert back to our original borders? Below is a list of the most populous ethnic groups in Africa & hence an estimate of which would be the most populous African countries & a map of what Africa could look like if it were decolonised.
Ethnic group - Population
1) Maghrebis - 100 million
2) Hausa - 78 million (2019)
3) Yoruba - 40 million
4) Oromo - 35 million (2016)
5) Igbo - 34 million (2017)
6) Nilotes - 22 million (2007)
7) Amhara - 22 million (2007)
8) Somali - 20 million (2009)
9) Akan - 20 million
10) Fulani - 20 million
11) Shona - 15 million (2000)
12) Hutu - 15 million
13) Luba - 15 million
14) Mongo - 15 million
15) Zulu - 12 million
16) Chewa - 12 million
17) Kanuri - 10 million
18) Kongo - 10 million