Pakistan five-year term on 15 November 2007, the new elections were called by the Election Commission. After the assassination of Benazir Bhutto in 2007, the PPP secured the most votes in the elections of 2008, appointing party member Yousaf Raza Gillani as Prime Minister. Threatened with impeachment, President Musharraf resigned on 18 August 2008, and was succeeded by Asif Ali Zardari. Clashes with the judicature prompted Gillani's disqualification from the Parliament and as the Prime Minister in June 2012. By its own financial calculations, Pakistan's involvement in the war on terrorism has cost up to ~$118 billion, sixty thousand casualties and
Prime Minister of Pakistan forced to withdraw after the ANF issued non-bailable arrest warrants against him. Raja Pervaiz Ashraf became the Prime Minister and remained in office until 2013. The general election held in 2013 saw the PML(N) almost achieve a supermajority. Following this, Nawaz Sharif was elected as Prime Minister, returning to the post for the third time after a fourteen-year absence, in a democratic transition. In 2017, Sharif was forced to step down as prime minister following corruption charges against him. On August 18, 2018, Imran Khan was sworn in as the country's 21st prime minister. The Constitution envisages a scheme of