| Country | Disputes - international |
| Isle of Man | none |
| Israel | West Bank and Gaza Strip are Israeli-occupied with current status subject to the Israeli-Palestinian Interim Agreement - permanent status to be determined through further negotiation; Israel continues construction of a "seam line" separation barrier along parts of the Green Line and within the West Bank; Israel withdrew its settlers and military from the Gaza Strip and from four settlements in the West Bank in August 2005; Golan Heights is Israeli-occupied (Lebanon claims the Shab'a Farms area of Golan Heights); since 1948, about 350 peacekeepers from the UN Truce Supervision Organization (UNTSO) headquartered in Jerusalem monitor ceasefires, supervise armistice agreements, prevent isolated incidents from escalating, and assist other UN personnel in the region |
| Italy | Italy's long coastline and developed economy entices tens of thousands of illegal immigrants from southeastern Europe and northern Africa |
| Jamaica | none |
| Jan Mayen | none |
| Japan | the sovereignty dispute over the islands of Etorofu, Kunashiri, and Shikotan, and the Habomai group, known in Japan as the "Northern Territories" and in Russia as the "Southern Kuril Islands," occupied by the Soviet Union in 1945, now administered by Russia and claimed by Japan, remains the primary sticking point to signing a peace treaty formally ending World War II hostilities; Japan and South Korea claim Liancourt Rocks (Take-shima/Tok-do) occupied by South Korea since 1954; China and Taiwan dispute both Japan's claims to the uninhabited islands of the Senkaku-shoto (Diaoyu Tai) and Japan's unilaterally declared exclusive economic zone in the East China Sea, the site of intensive hydrocarbon prospecting |
| Jersey | none |
| Jordan | approximately two million Iraqis have fled the conflict in Iraq, with the majority taking refuge in Syria and Jordan; 2004 Agreement settles border dispute with Syria pending demarcation |
| Kazakhstan | Kyrgyzstan has yet to ratify the 2001 boundary delimitation with Kazakhstan; field demarcation of the boundaries with Turkmenistan commenced in 2005, and with Uzbekistan in 2004; demarcation is scheduled to get underway with Russia in 2007; demarcation with China was completed in 2002; creation of a seabed boundary with Turkmenistan in the Caspian Sea remains under discussion; equidistant seabed treaties have been ratified with Azerbaijan and Russia in the Caspian Sea, but no resolution has been made on dividing the water column among any of the littoral states |
| Kenya | Kenya served as an important mediator in brokering Sudan's north-south separation in February 2005; Kenya provides shelter to almost a quarter of a million refugees, including Ugandans who flee across the border periodically to seek protection from Lord's Resistance Army (LRA) rebels; Kenya works hard to prevent the clan and militia fighting in Somalia from spreading across the border, which has long been open to nomadic pastoralists; the boundary that separates Kenya's and Sudan's sovereignty is unclear in the "Ilemi Triangle," which Kenya has administered since colonial times |
| Kiribati | none |
| Korea, North | risking arrest, imprisonment, and deportation, tens of thousands of North Koreans cross into China to escape famine, economic privation, and political oppression; North Korea and China dispute the sovereignty of certain islands in Yalu and Tumen rivers; Military Demarcation Line within the 4-km wide Demilitarized Zone has separated North from South Korea since 1953; periodic incidents in the Yellow Sea with South Korea which claims the Northern Limiting Line as a maritime boundary; North Korea supports South Korea in rejecting Japan's claim to Liancourt Rocks (Tok-do/Take-shima) |
| Korea, South | Military Demarcation Line within the 4-km wide Demilitarized Zone has separated North from South Korea since 1953; periodic incidents with North Korea in the Yellow Sea over the Northern Limiting Line, which South Korea claims as a maritime boundary; South Korea and Japan claim Liancourt Rocks (Tok-do/Take-shima), occupied by South Korea since 1954 |
| Kosovo | Serbia with several other states protest the US and other states' recognition of Kosovo's declaring itself as a sovereign and independent state in February 2008; ethnic Serbian municipalities along Kosovo's northern border challenge final status of Kosovo-Serbia boundary; several thousand NATO-led KFOR peacekeepers under UNMIK authority continue to keep the peace within Kosovo between the ethnic Albanian majority and the Serb minority in Kosovo; Kosovo authorities object to alignment of the Kosovo boundary with Macedonia in accordance with the 2000 Macedonia-Serbia and Montenegro delimitation agreement |
| Kuwait | Kuwait and Saudi Arabia continue negotiating a joint maritime boundary with Iran; no maritime boundary exists with Iraq in the Persian Gulf |
| Kyrgyzstan | Kyrgyzstan has yet to ratify the 2001 boundary delimitation with Kazakhstan; disputes in Isfara Valley delay completion of delimitation with Tajikistan; delimitation of 130 km of border with Uzbekistan is hampered by serious disputes around enclaves and other areas |
| Laos | Southeast Asian states have enhanced border surveillance to check the spread of avian flu; talks continue on completion of demarcation with Thailand but disputes remain over islands in the Mekong River; concern among Mekong Commission members that China's construction of dams on the Mekong River will affect water levels |
| Latvia | Russia refuses to sign the 1997 boundary treaty due to Latvian insistence on a unilateral clarificatory declaration referencing Soviet occupation of Latvia and territorial losses; Russia demands better Latvian treatment of ethnic Russians in Latvia; as of January 2007, ground demarcation of the boundary with Belarus was complete and mapped with final ratification documentation in preparation; the Latvian parliament has not ratified its 1998 maritime boundary treaty with Lithuania, primarily due to concerns over oil exploration rights; as a member state that forms part of the EU's external border, Latvia has implemented the strict Schengen border rules with Russia |
| Lebanon | Lacking a treaty or other documentation describing the boundary, portions of the Lebanon-Syria boundary are unclear with several sections in dispute; since 2000, Lebanon has claimed Shab'a Farms area in the Israeli-occupied Golan Heights; the roughly 2,000-strong UN Interim Force in Lebanon (UNIFIL) has been in place since 1978 |
| Lesotho | none |
| Liberia | although civil unrest continues to abate with the assistance of 18,000 UN Mission in Liberia (UNMIL) peacekeepers, as of January 2007, Liberian refugees still remain in Guinea, Cote d'Ivoire, Sierra Leone, and Ghana; Liberia, in turn, shelters refugees fleeing turmoil in Cote d'Ivoire; despite the presence of over 9,000 UN forces (UNOCI) in Cote d'Ivoire since 2004, ethnic conflict continues to spread into neighboring states who can no longer send their migrant workers to Ivorian cocoa plantations; UN sanctions ban Liberia from exporting diamonds and timber |
| Libya | Libya has claimed more than 32,000 sq km in southeastern Algeria and about 25,000 sq km in the Tommo region of Niger in a currently dormant dispute; various Chadian rebels from the Aozou region reside in southern Libya |
| Liechtenstein | none |
| Lithuania | Lithuania and Russia committed to demarcating their boundary in 2006 in accordance with the land and maritime treaty ratified by Russia in May 2003 and by Lithuania in 1999; Lithuania operates a simplified transit regime for Russian nationals traveling from the Kaliningrad coastal exclave into Russia, while still conforming, as a EU member state having an external border with a non-EU member, to strict Schengen border rules; the Latvian parliament has not ratified its 1998 maritime boundary treaty with Lithuania, primarily due to concerns over potential hydrocarbons; as of January 2007, ground demarcation of the boundary with Belarus was complete and mapped with final ratification documents in preparation |
| Luxembourg | none |
| Macau | none |