Sahiwal's 2026 population is now estimated at 508,019. In 1950, the population of Sahiwal was 49,277. Sahiwal has grown by 12,944 in the last year, which represents a 2.61% annual change. These population estimates and projections come from the latest revision of the UN World Urbanization Prospects. These estimates represent the Urban agglomeration of Sahiwal, which typically includes Sahiwal's population in addition to adjacent suburban areas.
| City | 2026 Pop. ↓ | Growth |
|---|---|---|
| Karachi | 18,520,100 | 2.45% |
| Lahore | 15,237,800 | 2.78% |
| Faisalabad | 3,988,600 | 2.46% |
| Peshawar | 2,617,160 | 2.68% |
| Gujranwala | 2,608,940 | 2.57% |
| Rawalpindi | 2,545,590 | 2.37% |
| Multan | 2,313,390 | 2.44% |
| Hyderabad | 2,107,790 | 2.38% |
| Islamabad | 1,335,550 | 2.65% |
| Quetta | 1,285,220 | 2.56% |
| Bahawalpur | 995,494 | 2.62% |
| Sialkot | 808,547 | 2.43% |
| Sargodha | 793,255 | 2.34% |
| Larkana | 625,090 | 2.57% |
| Sukkur | 609,833 | 2.39% |
| Rahim Yar Khan | 544,658 | 2.59% |
| Gujrat | 480,610 | 2.42% |
| Okara | 459,051 | 2.56% |
| Kasur | 434,010 | 2.37% |
| Mardan | 432,718 | 2.36% |
