chronological age

American  

noun

Psychology.

1. the number of years a person has lived, especially when used as a standard against which to measure behavior, intelligence, etc.

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How does chronological-age compare to similar and commonly confused words? Explore the most common comparisons:

• mental age vs. chronological age

Example Sentences

Biological age, which does not always match a person's chronological age, can be estimated using "epigenetic clocks."

From Science Daily • May 4, 2026

While they share a chronological age, they have different experiences and attitudes about aging.

From The Wall Street Journal • Dec. 31, 2025

She tells Slate that although studies have gotten better about not restricting on the basis of chronological age, older adults are still underrepresented due to eligibility criteria that favor fitter patients.

From Slate • May 20, 2025

Genius then assigns the member a “biological age” — different from your chronological age in years.

From Los Angeles Times • Mar. 31, 2025

On the other hand, the child with an I Q of 120 or above is almost never found below the grade for his chronological age, and occasionally he is one or two grades above.

From The Measurement of Intelligence An Explanation of and a Complete Guide for the Use of the Stanford Revision and Extension of the Binet-Simon Intelligence Scale by Cubberley, Ellwood Patterson