There are ten countries in East Africa namely:
1. Tanzania which covers 947,303 square kilometers with a population of more than 45 million. It has thirty regions with Dodoma as its capital and it is the 30th most populous country on the Earth;
2. Burundi which has a population of more than 10 million people;
3. Rwanda which covers 26,338 square kilometers with a population of more than 12 million people;
4. Uganda which has a population of more than 38 million people. It has 11 districts with Kampala as its capital and it is the 34th most populous country on the Earth;
5. Ethiopia which covers 1,100,00 square kilometers with a population of more than 99 million people. It has twelve provinces with Addis Ababa as its capital and it is the most populous landlocked nation in the whole world;
6. Eritrea which covers 117,600 square kilometers with a population of more than 6 million people. It has six regions with Asmara as its capital and it is the 106th most populous country on the Earth;
7. Djibouti which has a population of more than 800,000 people;
8. Somalia which has a population of more than 10 million people. It has eighteen administrative regions with Modadishu as its capital and it is the 83rd most populous country on the Earth;
9. Kenya which covers 581,309 square kilometers with a population of more than 45 million people. It has eight provinces with Nairobi as its capital and it is the 31st most populous country on the Earth; and
10. Sudan which has a population of more than 41 million people.