平へい均きん年ねん齢れいじ字FuriganaMeanings1nounaverage age; mean ageUsed in statistical, demographic, or general contexts to refer to the arithmetic mean of ages in a group.このクラスの平へい均きん年ねん齢れいは20歳さいです。The average age of this class is 20.日本にほんの平へい均きん年ねん齢れいは年ねん々ねん上あがっている。Japan's average age is rising year by year.
