Disputes - international:
in December 2007, ICJ allocated San Andres, Providencia, and Santa Catalina islands to Colombia under 1928 Treaty but did 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:
refugees (country of origin): 647,128 (Venezuela) (economic and political crisis; includes Venezuelans who have claimed asylum or have received alternative legal stay) (2019)
IDPs: 7,816,472 (conflict between government and illegal armed groups and drug traffickers since 1985; about 300,000 new IDPs each year since 2000) (2019)
stateless persons: 11 (2018)

Illicit drugs:
illicit producer of coca, opium poppy, and cannabis; world's leading coca cultivator with 188,000 hectares in coca cultivation in 2016, a 18% increase over 2015, producing a potential of 710 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 2016, the Colombian government reported manual eradication of 17,642 hectares; Colombia suspended aerial eradication in October 2015 making 2016 the first full year without aerial eradication; a significant portion of narcotics proceeds are either laundered or invested in Colombia through the black market peso exchange; Colombia probably remains the second largest supplier of heroin to the US market; opium poppy cultivation was estimated to be 1,100 hectares in 2015, sufficient to potentially produce three metric tons of pure heroin