Pakistanis in Iran consist of expatriates from Pakistan living in Iran, as well as locally born people with ancestral roots in Pakistan. According to the Overseas Pakistanis Foundation, their population is estimated at between 10.000 and 100.000 in 2012. While many tend to be students, there are a number of white-collar professionals employed in various jobs. The majority of the population is centred on Tehran. A sizeable Baloch population exists.