Idk how helpful this is but I am a toddler teacher so I teach 18 months to 3 years. Around 2 is average for what I have experienced but there are a lot of different factors. I have 2.5 year olds that aren’t even showing signs of readiness but I have some about 19-20 months that are. We pretty much Have them all trained by 3 though so they can go to preschool.

4 😭 she was lazy lol

I’m

Hoping by 2.5

My daughter was 18 months, and my son is in pullups at 2. I'll be training him very soon.

18 months

Mine is almost 4 and he's still in pullups but he knows how to use the toilet he's just lazy

3

3 years old

Between 2 and 1/2 and 3

About 2.5

2

Over 2.5

1 and a half