Disputes - international:
in December 2007, ICJ allocates San Andres, Providencia, and Santa Catalina islands to Colombia under 1928 Treaty but does not rule on 82 degrees W meridian as maritime boundary with Nicaragua; managed dispute with Venezuela over maritime boundary and Venezuelan-administered Los Monjes Islands near the Gulf of Venezuela; Colombian-organized illegal narcotics, guerrilla, and paramilitary activities penetrate all neighboring borders and have caused Colombian citizens to flee mostly into neighboring countries; Colombia, Honduras, Nicaragua, Jamaica, and the US assert various claims to Bajo Nuevo and Serranilla Bank

Refugees and internally displaced persons:
IDPs: 1.8-3.5 million (conflict between government and illegal armed groups and drug traffickers) (2007)

Illicit drugs:
illicit producer of coca, opium poppy, and cannabis; world's leading coca cultivator with 167,000 hectares in coca cultivation in 2007, a 6% increase over 2006, producing a potential of 535 mt of pure cocaine; the world's largest producer of coca derivatives; supplies cocaine to nearly all of the US market and the great majority of other international drug markets; in 2005, aerial eradication dispensed herbicide to treat over 130,000 hectares but aggressive replanting on the part of coca growers means Colombia remains a key producer; a significant portion of narcotics proceeds are either laundered or invested in Colombia through the black market peso exchange; important supplier of heroin to the US market; opium poppy cultivation is estimated to have fallen 25% between 2006 and 2007; most Colombian heroin is destined for the US market (2008)