under thirteen years old vs under thirteen years of age

Both phrases are correct and commonly used in English. They are interchangeable and convey the same meaning. The choice between 'under thirteen years old' and 'under thirteen years of age' is simply a matter of personal preference.

Last updated: March 20, 2024 • 1934 views

under thirteen years old

This phrase is correct and commonly used in English.

This phrase is used to indicate that someone is younger than thirteen years old.

Show examples from the web [+]

(c) The driver of a vehicle transporting a child who is under thirteen years old shall transport the child in the back seat positions in the vehicle where it is practical ...
If you are a parent or teacher of a child under thirteen years old, please click here (https://www.zzish.com/coppa) to review our COPPA Privacy Policy, which ...
... from children under thirteen years old who use our websites, http://www.zzish. com and http://www.quizalize.com (the "Site"), our mobile application (the "App"), ...
Children under thirteen years old must be transported in rear seats where it is practical to do so. The fine for improperly restrained children in motor vehicles is at ...

Alternatives:

under the age of thirteen
under thirteen
under thirteen years
under thirteen years of age
under the age of thirteen years

under thirteen years of age

This phrase is correct and commonly used in English.

This phrase is used to indicate that someone is younger than thirteen years old.

Show examples from the web [+]

and the object of that offense is under thirteen years of age, and <insert ... (a) (5): there was more than one object of such offense under thirteen years of age.
53a-73a (a) (1) (A): such other person is under thirteen years of age and the defendant is more than two years older. § 53a-73a (a) (1) (B): such other person is ...
(1) on a child under thirteen years of age; or. (2) on a child thirteen to eighteen years of age when: (a) the perpetrator is in a position of authority over the child ...
The actor subjects another person to sexual contact who is: (1) under thirteen years of age and the actor is more than two years older than such other person; ...

Alternatives:

under the age of thirteen
under thirteen
under thirteen years
under thirteen years old
under the age of thirteen years

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under thirteen years old vs under thirteen years of age