males age 16-49: 10,991,263
females age 16-49: 10,356,604 (2009 est.)
Manpower reaching militarily significant age annually:
male: 371,728
female: 322,605 (2009 est.)
Military expenditures:
2.7% of GDP (2006) country comparison to the world: 58
Transnational Issues ::Korea, South
Disputes - international:
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