어린이 vs 아이: What’s the difference?

어린이·아이

child

어린이child

A child is a young person. In Korean, 어린이 means “child” and is a common, friendly word for kids. It can mean one child or children, depending on the sentence, and you often hear it at home, at school, or on public signs.

How to say child
child

아이child

The word "child" means a young person. In Korean, this is 아이. You can use it in everyday situations to talk about a kid at home, at school, or outside. For more than one child, Korean often uses 아이들.

How to say child

The difference

어린이 is used for children in a more formal or respectful way. You often see it in schools, signs, or public places, while 아이 is more common in daily conversation.