| Country | Illicit drugs |
| Spain | despite rigorous law enforcement efforts, North African, Latin American, Galician, and other European traffickers take advantage of Spain's long coastline to land large shipments of cocaine and hashish for distribution to the European market; consumer for Latin American cocaine and North African hashish; destination and minor transshipment point for Southwest Asian heroin; money-laundering site for Colombian narcotics trafficking organizations and organized crime |
| Spratly Islands | void |
| Sri Lanka | void |
| Sudan | void |
| Suriname | growing transshipment point for South American drugs destined for Europe via the Netherlands and Brazil; transshipment point for arms-for-drugs dealing |
| Svalbard | void |
| Swaziland | void |
| Sweden | void |
| Switzerland | a major international financial center vulnerable to the layering and integration stages of money laundering; despite significant legislation and reporting requirements, secrecy rules persist and nonresidents are permitted to conduct business through offshore entities and various intermediaries; transit country for and consumer of South American cocaine, Southwest Asian heroin, and Western European synthetics; domestic cannabis cultivation and limited ecstasy production |
| Syria | a transit point for opiates, hashish, and cocaine bound for regional and Western markets; weak anti-money-laundering controls and bank privatization may leave it vulnerable to money laundering |
| Taiwan | regional transit point for heroin, methamphetamine, and precursor chemicals; transshipment point for drugs to Japan; major problem with domestic consumption of methamphetamine and heroin; rising problems with use of ketamine and club drugs |
| Tajikistan | major transit country for Afghan narcotics bound for Russian and, to a lesser extent, Western European markets; limited illicit cultivation of opium poppy for domestic consumption; Tajikistan seizes roughly 80% of all drugs captured in Central Asia and stands third worldwide in seizures of opiates (heroin and raw opium); significant consumer of opiates |
| Tanzania | growing role in transshipment of Southwest and Southeast Asian heroin and South American cocaine destined for South African, European, and US markets and of South Asian methaqualone bound for Southern Africa; money laundering remains a problem |
| Thailand | a minor producer of opium, heroin, and marijuana; transit point for illicit heroin en route to the international drug market from Burma and Laos; eradication efforts have reduced the area of cannabis cultivation and shifted some production to neighboring countries; opium poppy cultivation has been reduced by eradication efforts; also a drug money-laundering center; minor role in methamphetamine production for regional consumption; major consumer of methamphetamine since the 1990s despite a series of government crackdowns |
| Timor-Leste | NA |
| Togo | transit hub for Nigerian heroin and cocaine traffickers; money laundering not a significant problem |
| Tokelau | void |
| Tonga | void |
| Trinidad and Tobago | transshipment point for South American drugs destined for the US and Europe; producer of cannabis |
| Tunisia | void |
| Turkey | key transit route for Southwest Asian heroin to Western Europe and, to a lesser extent, the US - via air, land, and sea routes; major Turkish and other international trafficking organizations operate out of Istanbul; laboratories to convert imported morphine base into heroin exist in remote regions of Turkey and near Istanbul; government maintains strict controls over areas of legal opium poppy cultivation and over output of poppy straw concentrate; lax enforcement of money-laundering controls |
| Turkmenistan | transit country for Afghan narcotics bound for Russian and Western European markets; transit point for heroin precursor chemicals bound for Afghanistan |
| Turks and Caicos Islands | transshipment point for South American narcotics destined for the US and Europe |
| Tuvalu | void |
| Uganda | void |