the US has intensified domestic security measures and is collaborating closely with its neighbors, Canada and Mexico, to monitor and control legal and illegal personnel, transport, and commodities across the international borders; abundant rainfall in recent years along much of the Mexico-US border region has ameliorated periodically strained water-sharing arrangements; 1990 Maritime Boundary Agreement in the Bering Sea still awaits Russian Duma ratification; Canada and the United States dispute how to divide the Beaufort Sea and the status of the Northwest Passage but continue to work cooperatively to survey the Arctic continental shelf; The Bahamas and US have not been able to agree on a maritime boundary; US Naval Base at Guantanamo Bay is leased from Cuba and only mutual agreement or US abandonment of the area can terminate the lease; Haiti claims US-administered Navassa Island; US has made no territorial claim in Antarctica (but has reserved the right to do so) and does not recognize the claims of any other states; Marshall Islands claims Wake Island; Tokelau included American Samoa's Swains Island among the islands listed in its 2006 draft constitution
abundant rainfall in recent years along much of the Mexico-US border region has ameliorated periodically strained water-sharing arrangements; the US has intensified security measures to monitor and control legal and illegal personnel, transport, and commodities across its border with Mexico; Mexico must deal with thousands of impoverished Guatemalans and other Central Americans who cross the porous border looking for work in Mexico and the US; Belize and Mexico are working to solve minor border demarcation discrepancies arising from inaccuracies in the 1898 border treaty
Illicit drugs
world's largest consumer of cocaine (shipped from Colombia through Mexico and the Caribbean), Colombian heroin, and Mexican heroin and marijuana; major consumer of ecstasy and Mexican methamphetamine; minor consumer of high-quality Southeast Asian heroin; illicit producer of cannabis, marijuana, depressants, stimulants, hallucinogens, and methamphetamine; money-laundering center
major drug-producing and transit nation; Mexico is estimated to be the world's third largest producer of opium with poppy cultivation in 2015 estimated to be 28,000 hectares yielding a potential production of 475 metric tons of raw opium; government conducts the largest independent illicit-crop eradication program in the world; continues as the primary transshipment country for US-bound cocaine from South America, with an estimated 95% of annual cocaine movements toward the US stopping in Mexico; major drug syndicates control the majority of drug trafficking throughout the country; producer and distributor of ecstasy; significant money-laundering center; major supplier of heroin and largest foreign supplier of marijuana and methamphetamine to the US market
Refugees and internally displaced persons
refugees (country of origin): the US admitted 11,814 refugees during FY2020 including: 2,868 (Democratic Republic of the Congo), 2,115 (Burma), 1,927 (Ukraine), 604 (Afghanistan), 537 (Iraq)
note: 72,722 Venezuelans have claimed asylum since 2014 because of the economic and political crisis (2018)
refugees (country of origin): 9,257 (Honduras) (2019); 102,223 (Venezuela) (economic and political crisis; includes Venezuelans who have claimed asylum, are recognized as refugees, or have received alternative legal stay) (2020)
IDPs: 357,000 (government's quashing of Zapatista uprising in 1994 in eastern Chiapas Region; drug cartel violence and government's military response since 2007; violence between and within indigenous groups) (2020)
