The Lithuanian government operates as a parliamentary republic, where the President serves as the head of state and the Prime Minister is the head of government. The government is divided into three branches: the executive, legislative, and judicial. The Seimas, Lithuania's parliament, consists of 141 members elected for a four-year term. Lithuania's political system emphasizes democratic principles, with regular elections and multiple political parties. The government is responsible for creating laws, implementing policies, and managing public services. Lithuania is a member of the European Union and NATO, which influences its foreign and domestic policies.