1A person's age — the number of years since birth. A somewhat formal word for "age," common on forms and in statistics.
この仕事は年齢に関係なく応募できます。
Anyone can apply for this job, regardless of age.
申込書に名前と年齢を記入してください。
Please write your name and age on the application form.
年齢とともに、体力の衰えを感じるようになった。
As I've gotten older, I've started to feel my strength declining.
彼女は実際の年齢より若く見える。
She looks younger than her actual age.