Sub-Saharan Africa
Sub-Saharan Africa is the area and regions of the continent of Africa that lie south of the Sahara. These include Central Africa, East Africa, Southern Africa, and West Africa. Geopolitically, in addition to the African countries and territories that are situated fully in that specified region, the term may also include polities that only have part of their territory located in that region, per the definition of the United Nations (UN).[3] This is considered a non-standardized geographical region with the number of countries included varying from 46 to 48 depending on the organization describing the region (e.g. UN, WHO, World Bank, etc.). The African Union (AU) uses a different regional breakdown, recognizing all 55 member states on the continent—grouping them into five distinct and standard regions.
Sub-Saharan Africa | |
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 Geographical map of sub-Saharan Africa The Sahara The Sahel Sub-Saharan Africa
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| Major cities | Abidjan, Accra, Addis Ababa, Cape Town, Dar es Salaam, Durban, Harare, Johannesburg, Juba, Kampala, Kinshasa, Lagos, Luanda, Lusaka, Mogadishu, Nairobi, Pretoria, Windhoek |
| Population (2021)[lower-alpha 1] | 1,137,938,708 |
| Demonyms | African |
| Religions (2020) | |
| • Christianity | 62.0% |
| • Islam | 31.4% |
| • Traditional faiths | 3.2% |
| • No religion | 3.0% |
| • Other | 0.4% |
| Languages | Over 1,000 languages |
| Internet TLD | .africa |
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Lighter green: The Sudan, classified as a part of North Africa by the United Nations Statistics Division[2] instead of Eastern Africa, though the organization states that "the assignment of countries or areas to specific groupings is for statistical convenience and does not imply any assumption regarding political or other affiliation of countries or territories."
The term serves as a grouping counterpart to North Africa, which is instead grouped with the definition of MENA (i.e. Middle East–North Africa) as it is part of the Arab world, and most North African states are likewise members of the Arab League. However, while they are also member states of the Arab League, the Comoros, Djibouti, Mauritania, and Somalia (and sometimes the Sudan) are all geographically considered to be part of sub-Saharan Africa.[4] Overall, the UN Development Programme applies the "sub-Saharan" classification to 46 of Africa's 55 countries, excluding Djibouti, SADR, Somalia, and Sudan.[5]
Since around 3900 BCE,[6][7] the Saharan and sub-Saharan regions of Africa have been separated by the extremely harsh climate of the sparsely populated Sahara, forming an effective barrier that is interrupted only by the Nile in Sudan, though navigation on the Nile was blocked by the Sudd and the river's cataracts. There is also an evident genetic divide between North Africa and sub-Saharan Africa that dates back to the Neolithic. The Sahara pump theory explains how flora and fauna (including Homo sapiens) left Africa to penetrate Eurasia and beyond. African pluvial periods are associated with a "Wet Sahara" phase, during which larger lakes and more rivers existed.[8]