1. Democracy: A system of government where the power is vested in the people, who exercise it directly or through elected representatives. Examples include the United States, Canada, and India.
2. Monarchy: A system of government where a single ruler, usually a king or queen, holds supreme authority and power. Examples include the United Kingdom, Saudi Arabia, and Japan.
3. Republic: A system of government where the country is considered a "public matter" and the head of state is an elected or appointed official, rather than a hereditary monarch. Examples include France, Germany, and Brazil.
4. Dictatorship: A system of government where power is concentrated in the hands of a single leader or a small group of individuals, who often rule with absolute authority. Examples include North Korea, Cuba, and Zimbabwe.
5. Theocracy: A system of government where religious leaders hold political power and the laws are based on religious principles. Examples include Iran, Saudi Arabia, and Vatican City.
6. Oligarchy: A system of government where power is held by a small group of individuals, often from the same social, economic, or political class. Examples include Russia, China, and many African countries.
7. Federalism: A system of government where power is divided between a central government and regional governments, each with their own set of powers and responsibilities. Examples include the United States, Canada, and Australia.
8. Parliamentary system: A system of government where the executive branch derives its legitimacy from and is accountable to the legislature (parliament). Examples include the United Kingdom, Canada, and India.
9. Authoritarianism: A system of government where individual freedoms are restricted and political opposition is suppressed, often through the use of force. Examples include Belarus, Venezuela, and Syria.
10. Totalitarianism: A system of government where the state has total control over every aspect of public and private life, often through propaganda, censorship, and surveillance. Examples include North Korea, Turkmenistan, and Eritrea.