A government ruled by only one person is known as an autocracy. In an autocratic government, the ruler holds absolute power and authority over the state and its people. This type of government can take various forms, such as a monarchy, where the ruler is a king or queen, or a dictatorship, where the ruler often comes to power through force or manipulation.
In an autocracy, the ruler makes decisions without the need for approval from other branches of government or the public. This can lead to a lack of checks and balances, which may result in the abuse of power. However, some argue that autocratic governments can be more efficient in decision-making processes, as there is no need for lengthy debates or negotiations.
Historically, autocratic governments have been common, with examples including ancient empires like Rome under Julius Caesar and more modern regimes like North Korea under Kim Jong-un. While some autocracies have been relatively stable, others have faced significant opposition and eventual overthrow due to the lack of political freedoms and human rights.