Here are the correct types of government for each nation:
- Kenya: 4. presidential democracy
- South Africa: 3. parliamentary democracy
- Nigeria: 4. presidential democracy
- Equatorial Guinea: 2. autocracy
So the final arrangement would be:
- Kenya: 4. presidential democracy
- South Africa: 3. parliamentary democracy
- Nigeria: 4. presidential democracy
- Equatorial Guinea: 2. autocracy