word | | Military service age and obligation |
| age | Mauritania | 18 years of age for obligatory consription of all males; conscript service obligation - 2 years; majority of servicemen believed to be volunteers; service in Air Force and Navy is voluntary (2011) |
| age | Mexico | 18 years of age for compulsory military service, conscript service obligation - 12 months; 16 years of age with consent for voluntary enlistment; conscripts serve only in the Army; Navy and Air Force ... |
| age | Moldova | 18 years of age for compulsory military service; 17 years of age for voluntary service; male registration required at age 16; 12-month service obligation (2009) |
| age | Mongolia | 18-25 years of age for compulsory military service; conscript service obligation - 12 months in land or air defense forces or police; a small portion of Mongolian land forces (2.5 percent) is comprised ... |
| age | Morocco | 20 years of age for voluntary military service; no conscription; service obligation - 18 months (2011) |
| age | Mozambique | registration for military service is mandatory for all males and females at 18 years of age; 18-35 years of age for selective compulsory military service; 18 years of age for voluntary service ... |
| age | Namibia | 18 years of age for voluntary military service; no conscription (2010) |
| age | Nepal | 18 years of age for voluntary military service; 15 years of age for military training; no conscription (2011) |
| age | Netherlands | 20 years of age for an all-volunteer force (2004) |
| age | New Zealand | 17 years of age for voluntary military service; soldiers cannot be deployed until the age of 18; no conscription (2010) |
| age | Nicaragua | 18-30 years of age for voluntary military service; tour of duty 18-36 months; requires Nicaraguan nationality and 6th-grade education (2011) |
| age | Niger | 17-21 years of age for selective compulsory or voluntary military service; enlistees must be Nigerien citizens and unmarried; 2-year service term; women may serve in health care (2009) |