Disputes - international:
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)

Refugees and internally displaced persons:
IDPs: undetermined (flooding in mid-2007 and famine during mid-1990s) (2007)

Trafficking in persons:
current situation: North Korea is a source country for men, women, and children trafficked for the purposes of forced labor and commercial sexual exploitation; the most common form of trafficking involves North Korean women and girls who cross the border into China voluntarily; additionally, North Korean women and girls are lured out of North Korea to escape poor social and economic conditions by the promise of food, jobs, and freedom, only to be forced into prostitution, marriage, or exploitative labor arrangements once in China
tier rating: Tier 3 - North Korea does not fully comply with minimum standards for the elimination of trafficking and is not making significant efforts to do so; the government does not acknowledge the existence of human rights abuses in the country or recognize trafficking, either within the country or transnationally; North Korea has not ratified the 2000 UN TIP Protocol (2008)