how long is mandatory military service in south korea

Mandatory military service in South Korea currently lasts about 1.5–2 years for most men, depending on the branch.

Quick Scoop

• Army & Marine Corps: about 18 months of active duty.

• Navy: about 20 months.

• Air Force: about 21 months.

• Alternative/non‑active duties (social service, industrial technical roles, etc.) can run 24–36 months , since they are less intensive but longer.

• Applies to almost all able‑bodied men , generally between ages 18–28 for enlistment window; women may volunteer but are not required.

Simple example

If a Korean man joins the Army today, he’s typically looking at about a year and a half away from normal life (university, work, etc.), plus several years of short annual reserve trainings afterward.

Information gathered from public forums or data available on the internet and portrayed here.