Population of Cities in South Africa
| Source | UN (World Population Prospects 2018) |
| Date | 09 Sep 2021 |
| Rank | City | Population | Share (%) | Change | ||
|---|---|---|---|---|---|---|
| 2020 | 2021 | Population | (%) | |||
| 1 | Johannesburg | 5,782,747 | 5,926,668 | 9.87 | 143,921 | 2.49 |
| 2 | Cape Town | 4,617,560 | 4,709,990 | 7.84 | 92,430 | 2.00 |
| 3 | Ekurhuleni | 3,894,262 | 3,969,937 | 6.61 | 75,675 | 1.94 |
| 4 | Durban (Ethekwini) | 3,158,313 | 3,176,254 | 5.29 | 17,941 | 0.57 |
| 5 | Pretoria | 2,565,660 | 2,655,282 | 4.42 | 89,622 | 3.49 |
| 6 | Port Elizabeth (Nelson Mandela Bay) | 1,253,742 | 1,266,533 | 2.11 | 12,791 | 1.02 |
| 7 | West Rand | 897,609 | 909,301 | 1.51 | 11,692 | 1.30 |
| 8 | Soshanguve | 853,347 | 866,005 | 1.44 | 12,658 | 1.48 |
| 9 | Vereeniging | 774,031 | 779,530 | 1.30 | 5,499 | 0.71 |
| 10 | East London (Buffalo City) | 708,559 | 717,067 | 1.19 | 8,508 | 1.20 |
| 11 | Bloemfontein | 567,029 | 577,560 | 0.962 | 10,531 | 1.86 |
| 12 | Pietermaritzburg (The Msunduzi) | 526,912 | 532,766 | 0.887 | 5,854 | 1.11 |
| 13 | Rustenburg | 509,368 | 532,711 | 0.887 | 23,343 | 4.58 |
| 14 | Witbank | 454,301 | 470,249 | 0.783 | 15,948 | 3.51 |
| 15 | Polokwane | 425,613 | 444,859 | 0.741 | 19,246 | 4.52 |