Disputes - international:
Iran protests Afghanistan's limiting flow of dammed tributaries to the Helmand River in periods of drought; Iraq's lack of a maritime boundary with Iran prompts jurisdiction disputes beyond the mouth of the Shatt al Arab in the Persian Gulf; Iran and UAE dispute Tunb Islands and Abu Musa Island, which are occupied by Iran; Iran stands alone among littoral states in insisting upon a division of the Caspian Sea into five equal sectors

Refugees and internally displaced persons:
refugees (country of origin): 914,268 (Afghanistan); 54,024 (Iraq) (2007)

Trafficking in persons:
current situation: Iran is a source, transit, and destination country for women trafficked for the purposes of sexual exploitation and involuntary servitude; Iranian women are trafficked internally for the purpose of forced prostitution and for forced marriages to settle debts; Iranian children are trafficked internally and Afghan children are trafficked into Iran for the purpose of forced marriages, commercial sexual exploitation, and involuntary servitude as beggars or laborers
tier rating: Tier 3 - Iran did not provide evidence of law enforcement activities against trafficking, and credible reports indicate that Iranian authorities punish victims of trafficking with beatings, imprisonment, and execution; Iran has not ratified the 2000 UN TIP Protocol (2008)

Illicit drugs:
despite substantial interdiction efforts and considerable control measures along the border with Afghanistan, Iran remains one of the primary transshipment routes for Southwest Asian heroin to Europe; suffers one of the highest opiate addiction rates in the world, and has an increasing problem with synthetic drugs; lacks anti-money laundering laws; has reached out to neighboring countries to share counter-drug intelligence