年上 (toshiue) means “older” | MotiTan Japanese Dictionary

More examples

電車で年上の人に席を譲りました。den sha de toshi ue no hito ni seki o yuzu ri ma shi ta

I gave my seat to an older person on the train.

Describes someone whose age stands above that of another person in a comparison.

年長者nenchōsha: A person who is older than others in a group or community.
目上meue: A person who is senior in age, position, or social standing.

比較の相手よりも年齢が高いこと。hi kaku no ai te yo ri mo nen rei ga taka i ko to

年上 (toshiue) is formed from 年 (toshi, "age") and 上 (ue, "above"), combining the ideas of age and being higher.

In everyday Japanese, 年上 (toshiue) can describe an older sibling, friend, or coworker without naming a specific number of years.