| Capital | Government Type | Population | Population Growth Rate | |
|---|---|---|---|---|
| Burundi | Bujumbura | republic | 8,090,068 | 3.7% (2006 est.) |
| Comoros | Moroni | republic | 690,948 (July 2006 est.) | 2.87% (2006 est.) |
| Djibouti | Djibouti | republic | 486,530 (July 2006 est.) | 2.02% (2006 est.) |
| Eritrea | Asmara (Asmera) | transitional government note: following a successful referendum on independence for the Autonomous Region of Eritrea on 23-25 April 1993, a National Assembly, composed entirely of the People's Front for Democracy and Justice or PFDJ, was established as a transitional legislature; a Constitutional Commission was also established to draft a constitution; ISAIAS Afworki was elected president by the transitional legislature; the constitution, ratified in May 1997, did not enter into effect, pending parliamentary and presidential elections; parliamentary elections had been scheduled in December 2001, but were postponed indefinitely; currently the sole legal party is the People's Front for Democracy and Justice (PFDJ) | 4,786,994 (July 2006 est.) | 2.47% (2006 est.) |
| Ethiopia | Addis Ababa | federal republic | 74,777,981 | 2.31% (2006 est.) |
| Kenya | Nairobi | republic | 34,707,817 | 2.57% (2006 est.) |
| Madagascar | Antananarivo | republic | 18,595,469 (July 2006 est.) | 3.03% (2006 est.) |
| Malawi | Lilongwe | multiparty democracy | 13,013,926 | 2.38% (2006 est.) |
| Mayotte | Mamoudzou | departmental collectivity of France | 216,306 (July 2008 est.) | 3.465% (2008 est.) |
| Mozambique | Maputo | republic | 20,905,585 | 1.803% (2007 est.) |
| Rwanda | Kigali | republic; presidential, multiparty system | 8,648,248 | 2.43% (2006 est.) |
| Seychelles | Victoria | republic | 81,541 (July 2006 est.) | 0.43% (2006 est.) |
| Somalia | Mogadishu | no permanent national government; transitional, parliamentary federal government | 8,863,338 | 2.85% (2006 est.) |
| Tanzania | Dar es Salaam | republic | 40,213,160 | 2.072% (2008 est.) |
| Uganda | Kampala | republic | 28,195,754 | 3.37% (2006 est.) |
| Zambia | Lusaka | republic | 11,502,010 | 2.11% (2006 est.) |
| Zimbabwe | Harare | parliamentary democracy | 12,236,805 | 0.62% (2006 est.) |