Age of Majority in Ireland: 18 Years Old
In Ireland, legal adulthood begins at age 18 under the Age of Majority Act 1985.
Rights & Responsibilities at 18
- Vote in all elections/referendums (register at 18).
- Stand for election (Dáil: 21; President: 35).
- Contract legally (employment, rental, loans).
- Marry without parental consent (16–17 with court order).
- Purchase alcohol (off-premise 18; on-premise 18).
- Purchase tobacco/vapes (18).
- Jury service eligible.
- Make a will.
- Medical consent (own treatment; 16+ for GP visits).
- Passport (10-year adult).
- Drive (car license 17; truck/bus 18+).
What Changes at Other Ages
| Age | Milestone |
|---|
| 16 | Leave school; consent to medical treatment; join Defence Forces (17+); moped license |
| 17 | Car driving license (Category B) |
| 18 | Full legal adulthood (Age of Majority Act 1985) |
| 21 | Stand for Dáil Éireann; adopt child |
| 35 | Stand for President |
International Comparison
- Same (18): UK, US (most states), Canada, Australia, Germany, France, EU majority.
- Different: Scotland (16 for some rights), Japan (18 since 2022, was 20), Iran (15 lunar), Saudi Arabia (18/21 gender-differentiated).
Child Protection
Child Care Act 1991 defines "child" as <18. Tusla (Child & Family Agency) intervenes for at-risk under-18s.
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