word | | Military service age and obligation |
| age | Thailand | 21 years of age for compulsory military service; 18 years of age for voluntary military service; males register at 18 years of age; 2-year conscript service obligation (2009) |
| age | Timor-Leste | 18 years of age for voluntary military service; no conscription; 18-month service obligation (2011) |
| age | Togo | 18 years of age for selective compulsory military service; 2-year service obligation (2011) |
| age | Tonga | 16 years of age for voluntary enlistment (with parental consent); no conscription (2010) |
| age | Trinidad and Tobago | 18 years of age for voluntary military service (16 years of age with parental consent); no conscription (2010) |
| age | Tunisia | 20-23 years of age for compulsory service, one year service obligation; 18-23 years of age for voluntary service; Tunisian nationality required (2011) |
| age | Turkey | 19-41 years of age for male compulsory military service; 18 years of age for voluntary service; 15 months conscript obligation for non-university graduates, 6-12 months for university graduates; Turkey is trying ... |
| age | Turkmenistan | 18-30 years of age for compulsory military service; 2-year conscript service obligation (2009) |
| age | Uganda | 18-26 years of age for voluntary military duty; 18-30 years of age for professionals; no conscription; 9-year service obligation; the government has stated that recruitment under 18 years of age could ... |
| age | Ukraine | 18-25 years of age for compulsory and voluntary military service; conscript service obligation - 12 months for Army and Air Force, 18 months for Navy (2010) |
| age | United Arab Emirates | 18 years of age for voluntary military service; 18 years of age for officers and women; no conscription; 16-22 years of age for candidates for the UAE Naval College (2011) |