Mahbub ul-Haq (Urdu: محبوب الحق; (1934-02-24)24 February 1934 – (1998-07-16)16 July 1998) was a Pakistani economist, international development theorist, and politician who served as the minister of Finance from 10 April 1985 to 28 January 1986, and again from June to December 1988 as a caretaker. Regarded as one of the greatest economists of his time, Haq devised the Human Development Index, widely used to gauge the development of nations.
After graduating with a degree in economics from the Government College University in Lahore, he won a scholarship to the University of Cambridge in England, where he obtained a second higher degree in the same field. He later received his PhD from Yale University in the United States and conducted postdoctoral research at the Harvard Kennedy School. Haq returned to Pakistan to serve as the chief economist of the Planning Commission throughout the 1960s. In 1970, after the fall of Ayub Khan, Haq moved to Washington, D.C. to serve at the World Bank as Director of Policy Planning until 1982, where he played a major role in reorienting its approach to assisting development in low-income countries.