Turning 18
MCA 41-1-101 — anyone under 18 is a minor, with 21 still the age for alcohol
A person under 18 years of age is a minor. All other persons are adults.
Who handles this in Montana: legal aid programs, lawyer referral and the state offices, listed in the Montana directory.
- At 18 a person may marry without a judge's approval.
- At 18 a person may buy tobacco and vapor products.
- No one under 21 may be sold or given alcohol, apart from the narrow exceptions for a parent, a doctor or a religious observance.
Sources for this section (4)
- MCA 41-1-101 — Minors and adults defined
- MCA 40-1-202 — License issuance
- MCA 16-11-305 — Sale or distribution of tobacco products, alternative nicotine products, or vapor products to persons under 18 years of age prohibited
- MCA 16-6-305 — Age limit for sale or provision of alcoholic beverages -- liability of provider
Legal information, not legal advice. Verified as of October 2026. Applying it to a particular situation is the work of a licensed Montana attorney.