In Portugal, the form of government is a unitary semi-presidential constitutional republic. In Portugal, legislative power rests with an assembly of the republic. Prime Minister is Marcelo Rebelo de Sousa. A country's governmental structure determines the way laws are written, approved, and interpreted. The type of government determines the way elections are held as well as the country's system of policing its citizens. The term of office of the head of state in Portugal lasts until January 1, 2021. The length of a head of state's term of office directly affects the power and influence of the executive branch. A longer term gives the head of state more authority. The term of office of the head of state in Portugal lasts until January 1st, 2021. The length of a head of state's tenure directly affects the power and influence of the executive branch. A longer term gives the head of state more authority. The Global Peace Index (GPI) for Portugal is 1.344. Due to the strong presence of the law enforcement authorities and the high level of social responsibility, Portugal is very safe in international comparison. The Index of Strength of Legal Rights for Portugal is 2. Overall, it is considered to be rather weak – bankruptcy and collateral laws fail to protect borrowers' and lenders' rights in the event of credit-related complications; Credit information, if any, is scarce and difficult to access.

Government
Prime Minister in Portugal is Marcelo Rebelo de Sousa. Portugal's system of government is a unitary semi-presidential constitutional republic. In Portugal, legislative power rests with an assembly of the republic; This is a unicameral legislature and therefore a unicameral assembly of the Republic. According to the World Bank Group, Portugal's Government Effectiveness Index is 1.01. This shows that the Portuguese government is effective. Citizens enjoy well-organized public and public services, and government efficiency is high. While some services may be lacking in certain areas, the overall environment encouraged by government legislation is favourable.

Unions and alliances
This section provides a list of the trade unions to which Portugal belongs.

Portugal is a member of the United Nations (UN). Portugal is a member of the World Trade Organization (WTO). Portugal is a member of the Organization for Economic Co-operation and Development (OECD). Portugal is a member of the International Monetary Fun (IMF).