Ireland operates as a parliamentary republic. The head of state is the President, elected by popular vote for a seven-year term. The head of government is the Taoiseach (Prime Minister), appointed by the President upon nomination by Dáil Éireann, the lower house of parliament.
The government comprises the Taoiseach, the Tánaiste (Deputy Prime Minister), and the Cabinet. The Cabinet directs executive policy and is accountable to Dáil Éireann.
The national parliament, the Oireachtas, consists of two houses:
The Irish system enshrines separation of powers among three independent branches:
Each branch can limit the others, preventing concentration of power and ensuring democratic accountability.