Politics in Estonia takes place in a framework of a parliamentary representative democratic republic, whereby the Prime Minister of Estonia is the head of government, and of a multi-party system. Legislative power is vested in the Estonian parliament. Executive power is exercised by the government, which is led by the prime minister. The judiciary is independent of the executive and the legislature. Estonia is a member of the United Nations, the European Union, and NATO.

The Estonian Reform Party is a liberal political party in Estonia. The party has been led by Kaja Kallas since 2018. It is colloquially known as the "Squirrel Party", referencing its logo.