Table 1 . Life expectancy at birth within Tehran megacity by different districts, genders and geographic location .
| District | Males | Females |
Both genders |
Geographical location |
| 1 | 78.2 | 80.0 | 79.1 | North |
| 2 | 75.9 | 79.6 | 77.7 | North |
| 3 | 75.9 | 79.5 | 77.7 | North |
| 4 | 78.0 | 80.0 | 79.0 | North |
| 5 | 77.8 | 80.0 | 78.9 | North |
| 6 | 74.7 | 78.4 | 76.5 | South |
| 7 | 74.2 | 77.7 | 75.9 | South |
| 8 | 74.0 | 77.3 | 75.6 | West |
| 9 | 72.7 | 76.3 | 74.5 | South |
| 10 | 73.1 | 77.1 | 75.1 | South |
| 11 | 73.7 | 77.0 | 75.3 | South |
| 12 | 72.8 | 76.7 | 74.7 | South |
| 13 | 73.1 | 77.7 | 75.4 | West |
| 14 | 74.3 | 77.6 | 75.9 | West |
| 15 | 74.7 | 78.6 | 76.6 | South |
| 16 | 72.9 | 76.4 | 74.6 | South |
| 17 | 72.8 | 77.2 | 75.0 | South |
| 18 | 74.0 | 77.5 | 75.7 | South |
| 19 | 73.0 | 76.8 | 74.9 | South |
| 20 | 74.0 | 79.9 | 76.9 | South |
| 21 | 74.0 | 79.1 | 76.5 | East |
| 22 | 75.6 | 79.7 | 77.6 | East |
| Total | 74.6 | 78.4 | 76.5 | - |