| Code | Name | Population | GNP | Government Form |
| SVN | Slovenia | 1,987,800 | 19,756.00 | Republic |
| SWE | Sweden | 8,861,400 | 226,492.00 | Constitutional Monarchy |
| SWZ | Swaziland | 1,008,000 | 1,206.00 | Monarchy |
| SYC | Seychelles | 77,000 | 536.00 | Republic |
| SYR | Syria | 16,125,000 | 65,984.00 | Republic |
| TCA | Turks and Caicos Islands | 17,000 | 96.00 | Dependent Territory of the UK |
| TCD | Chad | 7,651,000 | 1,208.00 | Republic |
| TGO | Togo | 4,629,000 | 1,449.00 | Republic |
| THA | Thailand | 61,399,000 | 116,416.00 | Constitutional Monarchy |
| TJK | Tajikistan | 6,188,000 | 1,990.00 | Republic |
| TKL | Tokelau | 2,000 | 0.00 | Nonmetropolitan Territory of New Zealand |
| TKM | Turkmenistan | 4,459,000 | 4,397.00 | Republic |
| TMP | East Timor | 885,000 | 0.00 | Administrated by the UN |
| TON | Tonga | 99,000 | 146.00 | Monarchy |
| TTO | Trinidad and Tobago | 1,295,000 | 6,232.00 | Republic |
| TUN | Tunisia | 9,586,000 | 20,026.00 | Republic |
| TUR | Turkey | 66,591,000 | 210,721.00 | Republic |
| TUV | Tuvalu | 12,000 | 6.00 | Constitutional Monarchy |
| TWN | Taiwan | 22,256,000 | 256,254.00 | Republic |
| TZA | Tanzania | 33,517,000 | 8,005.00 | Republic |