This table lists forms of government by their frequency as of May 2010. Only the 192 member states of the United Nations are included, and the universally recognised Holy See, or Vatican City. Not included are states with limited international recognition, micronations, or other non-sovereign state entities.
| Form of government | Number of states | Percentage of total | Total population | Percentage of total |
|---|---|---|---|---|
| Full presidential republics | 70 | 36.27% | ||
| Presidential republics with the role of the president and prime minister combined. | 13 | 6.74% | ||
| Semi-presidential republics | 22 | 11.40% | ||
| Parliamentary republics | 36 | 18.65% | ||
| Parliamentary constitutional monarchies in which the monarch does not personally exercise power. | 28 | 14.51% | ||
| Parliamentary constitutional monarchies in which the monarch personally exercises power (often alongside a weak parliament). | 11 | 5.70% | ||
| Absolute monarchies | 5 | 2.59% | ||
| Single-party state | 8 | 4.15% | ||
| Total | 193 | 100% | world population... | 100% |
| Form of government | Number of states | Percentage of total | Total population | Percentage of total |
|---|---|---|---|---|
| Republic | 141 | 73.06% | Example | Example |
| Monarchy | 44 | 22.80% | Example | Example |
| Single-party state | 8 | 4.15% | Example | Example |
| Total | 193 | 100% | world population... | 100% |