chronological age

noun

: the age of a person as measured from birth to a given date

His chronological age is five, but his mental age is three—he thinks and behaves like a three-year-old.

Examples of chronological age in a Sentence

Recent Examples on the Web

For every night of poor sleep during that time, people reported feeling about a quarter of a year older than their chronological age. —Sandee Lamotte, CNN, 26 Mar. 2024

The growing craze to be biologically younger The over $26 billion longevity industry is capitalizing on people’s interest in slowing aging, optimizing their health, and achieving an operating system comparable to someone much younger than their chronological age. —Alexa Mikhail, Fortune Well, 30 Jan. 2024

By comparing study participants’ organ-specific proteins, the researchers were able to estimate an age gap—the difference between an organ’s biological age and its chronological age. —Lori Youmshajekian, Scientific American, 6 Dec. 2023

While chronological age can’t be reversed, biological/epigenetic age can be. —Erin Prater, Fortune Well, 6 Nov. 2023

Participants with poor cardiovascular health had an average chronological age of 53; their average biological age was 57. —Kaitlin Vogel, Health, 15 Nov. 2023

Participants with high cardiovascular health had a biological age lower than their chronological age. —Erin Prater, Fortune Well, 6 Nov. 2023

Those who are aging faster, which may occur when people have more chronic illnesses or live in very high-stress environments, will have a greater mismatch from their chronological age, Goldstein explained. —Kaitlin Vogel, Health, 15 Nov. 2023

Adults with high cardiovascular health were about 6 years younger biologically than their chronological age, according to the research. —Sara Moniuszko, CBS News, 6 Nov. 2023

Medical Definition

chronological age

noun

chro·​no·​log·​i·​cal age ˌkrän-ᵊl-ˌäj-i-kəl-, ˌkrōn- 

: the age of a person as measured from birth to a given date compare achievement age