Developmental milestones included in the Early Childhood Development Index by domain and coding of on-track and off-track development by domain
| Domain | Milestone | On-track development if child | Off-track development if child |
| Cognitive | Follows simple directions on how to do something correctly | Passes ≥1 milestone | Fails both milestones |
| When given something to do, is able to do it independently | |||
| Socioemotional | Gets along well with other children | Passes ≥2 milestones | Fails ≥1 milestone |
| Does not kick, bite or hit other children | |||
| Does not get distracted easily | |||
| Physical | Can pick up a small object with two fingers, like a stick or a rock from the ground | Passes ≥1 milestone | Fails both milestones |
| Is not sometimes too sick to play | |||
| Literacy-numeracy | Can identify/name at least 10 letters of the alphabet | Passes ≥2 milestones | Fails ≥1 milestone |
| Can read at least four simple, popular words | |||
| Knows the name and recognises the symbol of all numbers from 1 to 10 |