Iran Population Milestones
Population thresholds reached in the approved historical series.
Milestone years
| Milestone | First year reached | Recorded population |
|---|---|---|
| 100,000 | 1960 | 21,470,434 |
| 500,000 | 1960 | 21,470,434 |
| 1,000,000 | 1960 | 21,470,434 |
| 5,000,000 | 1960 | 21,470,434 |
| 10,000,000 | 1960 | 21,470,434 |
| 25,000,000 | 1965 | 25,036,978 |
| 50,000,000 | 1986 | 51,446,045 |