AU Country | Date of Joined | Capital | Population | Area in sq km |
Algeria | May 25, 1963 | Algiers | 33,769,669 | 2,381,741 |
Angola | February 11, 1979 | Luanda | 16,941,000 | 1,246,700 |
Benin | May 25, 1963 | Porto-Novo | 6,769,914 | 112,622 |
Botswana | October 31, 1966 | Gaborone | 1,639,833 | 600,370 |
Burkina Faso | May 25, 1963 | Ouagadougou | 13,228,000 | 274,000 |
Burundi | May 25, 1963 | Bujumbura | 3,589,434 | 27,830 |
Cabo Verde | July 18, 1975 | Praia | 503,000 | 4,033 |
Cameroon | May 25, 1963 | Yaoundé | 17,795,000 | 475,442 |
Chad | May 25, 1963 | N'Djamena | 10,780,600 | 1,284,000 |
Comoros | July 18, 1975 | Moroni | 798,000 | 2,235 |
Côte d'Ivoire | May 25, 1963 | Yamoussoukro | 18,373,060 | 322,460 |
D.R Congo | May 25, 1963 | Kinshasa | 62,600,000 | 2,344,858 |
Djibouti | June 27, 1977 | Djibouti | 496,374 | 23,200 |
Equatorial Guinea | October 12, 1968 | Malabo | 504,000 | 28,051 |
Eritrea | May 24, 1993 | Asmara | 4,401,009 | 117,600 |
Ethiopia | May 25, 1963 | Addis Ababa | 85,254,090 | 1,104,300 |
Gabon | May 25, 1963 | Libreville | 1,454,867 | 267,745 |
Gambia | 1965-10 | Banjul | 1,700,000 | 10,380 |
Ghana | May 25, 1963 | Accra | 23,000,000 | 238,535 |
Guinea | May 25, 1963 | Conakry | 10,211,437 | 245,857 |
Kenya | December 13, 1963 | Nairobi | 37,953,840 | 580,367 |
Lesotho | October 31, 1966 | Maseru | 1,795,000 | 30,355 |
Liberia | May 25, 1963 | Monrovia | 3,489,072 | 111,369 |
Libya | May 25, 1963 | Tripoli | 6,173,579 | 1,759,541 |
Malawi | July 13, 1964 | Lilongwe | 13,931,831 | 118,484 |
Mali | May 25, 1963 | Bamako | 11,995,402 | 1,240,192 |
Mauritania | May 25, 1963 | Nouakchott | 3,069,000 | 1,030,700 |
Mauritius | 1968-08 | Port Louis | 1,264,866 | 2,040 |
Mozambique | July 18, 1975 | Maputo | 21,397,000 | 801,590 |
Namibia | 1990-06 | Windhoek | 2,088,669 | 825,418 |
Niger | May 25, 1963 | Niamey | 13,272,679 | 1,267,000 |
Nigeria | May 25, 1963 | Abuja | 154,729,000 | 923,768 |
Republic of the Congo | May 25, 1963 | Brazzaville | 3,999,000 | 342,000 |
Rwanda | May 25, 1963 | Kigali | 10,186,063 | 26,798 |
Western Sahara | February 22, 1982 | El Aaiun (de jure) | 267,405 | 266,000 |
São Tomé and Príncipe | July 18, 1975 | São Tomé | 157,000 | 964 |
Senegal | May 25, 1963 | Dakar | 11,658,000 | 196,723 |
Seychelles | June 29, 1976 | Victoria | 82,247 | 451 |
Sierra Leone | May 25, 1963 | Freetown | 6,294,774 | 71,740 |
Somalia | May 25, 1963 | Mogadishu | 9,558,666 | 637,661 |
South Africa | June 6, 1994 | Pretoria (executive) | 47,900,000 | 1,221,037 |
South Sudan | July 27, 2011 | Juba | 8,260,490 | 619,745 |
Sudan | May 25, 1963 | Khartoum | TBD | 1,886,068 |
Swaziland | September 24, 1968 | Lobamba | 1,141,000 | 17,364 |
Tanzania | January 16, 1964 | Dodoma | 45,000,000 | 945,203 |
Togo | May 25, 1963 | Lomé | 6,585,000 | 56,785 |
Tunisia | May 25, 1963 | Tunis | 10,327,800 | 163,610 |
Uganda | May 25, 1963 | Kampala | 30,900,000 | 241,038 |
Zambia | December 16, 1964 | Lusaka | 11,668,000 | 752,618 |
Zimbabwe | 1980-06 | Harare | 13,349,000 | 390,757 |
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