| Country | Population (Est.) | Year |
|---|---|---|
| China | 1.43 billion | 2023 |
| India | 1.43 billion | 2023 |
| Iran | 89 million | 2023 |
| Afghanistan | 42 million | 2023 |
| Tajikistan | 10.1 million | 2023 |
| Turkmenistan | 6.5 million | 2023 |
Note: China and India are the world's two most populous nations. Pakistan itself ~240 million (2023).