The phrase "age threshold" is correct and usable in written English.
It can be used to refer to a specific age limit or boundary that is significant for a particular context, such as legal, social, or health-related matters.
Example: "The age threshold for voting in this country is 18 years old."
Alternatives: "age limit" or "age cutoff".
The age threshold for Tommy John surgery is 15.
Increasing the age threshold for the shared room rate (SRR) claimed by single people.
Employers say that many of their younger staff under the age threshold of 25 feel discriminated against.
Compared to other countries, the age threshold of 10 for treating children as criminally culpable and permitting their incarceration in Australia is low.
We are a large state, with roughly 11 million people who are at least 30 years old, the age threshold that the Constitution sets for United States senators.
In half of all calls, pharmacies in poor areas cited an incorrect age threshold for over-the-counter access.
In this sense, Italy represents an extreme case, since even highly skilled young workers, though usually over the age threshold of the youth unemployment rate (29.5% in the country), are being marginalised.
The party's Brighton conference narrowly agreed to put off a vote on the proposals, despite a debate that gave strong backing to change, including cutting the age threshold for buying sex magazines and videos from 18 to 16.
AGE THRESHOLD -- Making Web access in children's areas dependent on the user's age -- with those below 10, for example, being given filtered access, and older children offered a choice of filtered or unfiltered use.
Many laws are more restrictive than that proposed by the Maryland Senate, with the age threshold for protected children extending to 14 to 18 in most jurisdictions.
The age threshold was chosen because some faculties, particularly the ability to see well at night, could begin to diminish at that age.
