Population of Faisalabad is 3.2 million
The government of Pakistan under the leadership of PML (N) conducted its most recent population census in 2017. As per Pakistan Bureau of Statistics data and report the counted population of Faisalabad as per 2017 census data is over Three million. This makes 1.4 percent of the total population of the country.
It is important here to note that the city of Faisalabad is located in the Punjab province of Pakistan. The city has relatively high rate of industrial production than any other such major cities in the country.
Source: Source of above answer is Pakistan Bureau Of Statistics