What is Legal Age?

Legal Definition
Legal age or codified age refers to age at which a person may legally engage in a certain activity. Most frequently, this is the age of majority, the threshold of adulthood as recognized in law.

Other ages of legal significance include:

  • Age of criminal responsibility
  • Age of majority
  • Age of maturity
  • Age of candidacy, the age at which a person can legally qualify to hold certain elected government offices
  • Age of consent, the legal age for sexual activities, the age at which a person is considered to be legally competent to consent to sexual acts
  • Legal drinking age, the age at which a person is permitted by law to consume alcoholic beverages
  • Legal working age, the age at which a person is allowed to work
  • Marriageable age, the age at which a person is allowed to marry
  • Retirement age
  • School leaving age
  • Smoking age, the minimum legal age to purchase cigarettes
  • Voting age, the minimum legal age to be eligible to vote in a public election
-- Wikipedia
Legal Definition
The age at which the person acquires full capacity to make his own contracts and deeds and transact business generally (age of majority) or to enter into some particular contract or relation, as, the "legal age of consent" to marriage. See Capwell v. Cap-well, 21 R. I. 101, 41 Atl. 1005, Montoya de Antonio v. Miller, 7 N. M. 289, 34 Pac. 40, 21 L. R. A. 699.
-- Black's Law Dictionary