Developmental Order of Questions

Young children understand different question words at different ages. Once they correctly understand a question word, and the concept that goes with it, they are able to answer these questions correctly.

Yes/no2 years
What is it?2 years
What are you doing?2.5 years
Where is it?2.5 years
Whose?3 years
Who?3 years
Why?3.5 years
How many?3.5 years
How do you do that?3.5 years
How much?4 years
How long?4 years
How far?4.5 years
When?4.5 years

From Birth To First Words: Activities to Support Your Baby’s Language Learning Journey In the First Year Of Life