Pakistan

In recent history, the Pakistani political processess have taken place in the framework of a federal republic, where the system of government has at times been parliamentary, presidential, or semi-presidential. In the current semi-presidential system, the President of Pakistan is the head of state, the Prime Minister is head of government, and there is a pluriform multi-party system. Executive power is exercised by the government. Legislative power is largely vested in the Parliament.

-- Wikipedia