| Country | Illicit drugs |
| Greece | a gateway to Europe for traffickers smuggling cannabis and heroin from the Middle East and Southwest Asia to the West and precursor chemicals to the East; some South American cocaine transits or is consumed in Greece; money laundering related to drug trafficking and organized crime |
| Greenland | void |
| Grenada | small-scale cannabis cultivation; lesser transshipment point for marijuana and cocaine to US |
| Guam | void |
| Guatemala | major transit country for cocaine and heroin; in 2005, cultivated 100 hectares of opium poppy after reemerging as a potential source of opium in 2004; potential production of less than 1 metric ton of pure heroin; marijuana cultivation for mostly domestic consumption; proximity to Mexico makes Guatemala a major staging area for drugs (particularly for cocaine); money laundering is a serious problem; corruption is a major problem |
| Guernsey | void |
| Guinea | void |
| Guinea-Bissau | increasingly important transit country for South American cocaine enroute to Europe; enabling environment for trafficker operations thanks to pervasive corruption; archipelago-like geography around the capital facilitates drug smuggling |
| Guyana | transshipment point for narcotics from South America - primarily Venezuela - to Europe and the US; producer of cannabis; rising money laundering related to drug trafficking and human smuggling |
| Haiti | Caribbean transshipment point for cocaine en route to the US and Europe; substantial bulk cash smuggling activity; Colombian narcotics traffickers favor Haiti for illicit financial transactions; pervasive corruption; significant consumer of cannabis |
| Heard Island and McDonald Islands | void |
| Holy See (Vatican City) | void |
| Honduras | transshipment point for drugs and narcotics; illicit producer of cannabis, cultivated on small plots and used principally for local consumption; corruption is a major problem; some money-laundering activity |
| Hong Kong | despite strenuous law enforcement efforts, faces difficult challenges in controlling transit of heroin and methamphetamine to regional and world markets; modern banking system provides conduit for money laundering; rising indigenous use of synthetic drugs, especially among young people |
| Hungary | transshipment point for Southwest Asian heroin and cannabis and for South American cocaine destined for Western Europe; limited producer of precursor chemicals, particularly for amphetamine and methamphetamine; efforts to counter money laundering, related to organized crime and drug trafficking, are improving, but remain vulnerable; significant consumer of ecstasy |
| Iceland | void |
| India | world's largest producer of licit opium for the pharmaceutical trade, but an undetermined quantity of opium is diverted to illicit international drug markets; transit point for illicit narcotics produced in neighboring countries; illicit producer of methaqualone; vulnerable to narcotics money laundering through the hawala system; licit ketamine and precursor production |
| Indian Ocean | void |
| Indonesia | illicit producer of cannabis largely for domestic use; producer of methamphetamine and ecstasy |
| Iran | despite substantial interdiction efforts, Iran remains a key transshipment point for Southwest Asian heroin to Europe; highest percentage of the population in the world using opiates; lacks anti-money-laundering laws |
| Iraq | void |
| Ireland | transshipment point for and consumer of hashish from North Africa to the UK and Netherlands and of European-produced synthetic drugs; increasing consumption of South American cocaine; minor transshipment point for heroin and cocaine destined for Western Europe; despite recent legislation, narcotics-related money laundering - using bureaux de change, trusts, and shell companies involving the offshore financial community - remains a concern |
| Isle of Man | void |
| Israel | increasingly concerned about ecstasy, cocaine, and heroin abuse; drugs arrive in country from Lebanon and, increasingly, from Jordan; money-laundering center |