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°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 144,000 hectares in coca cultivation in 2005, a 26% increase over 2004, producing a potential of 545 mt of pure cocaine; the world's largest producer of coca derivatives; supplies cocaine to most 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 non-US 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 fell 50% between 2003 and 2004 to 2,100 hectares yielding a potential 3.8 metric tons of pure heroin, mostly for the US market; no poppy estimate was conducted in 2005