年ねん齢れい順じゅん

ね

ん

れ

い

じゅ

ん

Meanings

1

noun

in order of age; by age

Used when people are arranged, seated, or listed from oldest to youngest (or vice versa). Often appears in phrases like 年齢順に並ぶ (line up by age).

五ご十じゅう音おん順じゅん
五十音順 means 'in order of the Japanese syllabary', while 年齢順 specifically means 'by age'.
アルファベット順じゅん
アルファベット順 means 'alphabetical order', whereas 年齢順 is about age-based ordering.

Compound of 年齢 (age) and 順 (order).