| Country | Code | City Count | Airport Count |
|---|---|---|---|
| Taiwan | TW | 27 | 33 |
| Tajikistan | TJ | 14 | 15 |
| Tanzania | TZ | 66 | 68 |
| Thailand | TH | 52 | 68 |
| Timor-Leste | TL | 9 | 11 |
| Togo | TG | 7 | 7 |
| Tonga | TO | 6 | 6 |
| Trinidad and Tobago | TT | 3 | 3 |
| Tunisia | TN | 15 | 15 |
| Turkey | TR | 91 | 121 |
| Turkmenistan | TM | 15 | 20 |
| Turks and Caicos Islands | TC | 8 | 8 |
| Tuvalu | TV | 1 | 1 |