noun
East Asian age reckoning; traditional age counting
Abbreviation of 数え年. Refers to the traditional system where a person is 1 at birth and gains a year on New Year's Day, not on their birthday. Often contrasted with 満年齢 (Western-style age).
See also: 数え年 (かぞえどし) · 満 (まん)
祖母は数えで九十歳になる。
My grandmother will be 90 years old by the traditional count.
数えと満年齢
Please explain the difference between traditional age reckoning and Western-style age.