Presidential system
| Presidential System |
|---|
| Afghanistan |
| Comoros Islands |
| Congo |
| North Korea |
| Ivory Coast |
| Egypt |
| Eritrea |
| United States of America |
| Ghana |
| Iran |
| Liberia |
| Malawi |
| Maldives |
| Myanmar |
| Nigeria |
| Uzbekistan |
| Palau |
| Sierra Leone |
| Syria |
| Tadjikistan |
| Turkmenistan |
| Yemen |
| Zambia |
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