 On December 8, 2014, at a reformation of the Executive Yuan after the ruling Kuomintang lost the local elections, Chang became the Vice Premier.On January 16, 2016 after the defeat of the KMT, President Ma appointed Chang as the Premier to serve the remain four months during the period of transition of power, Chang became the first nonpartisan Premier of the Republic of China.Chang announced his independent candidacy for the 2020 Taiwan presidential election on 17 February 2019.