A Snapshot of Early Childhood Development in Australia 2012

Comparative resultsThe 2012 AEDI collected data on 289,973 children in their first year of formal full-time school,compared with 261,147 children in 2009, representing a response rate of 96.5 per cent and97.5 per cent respectively.Approximately one in five (22.0 per cent) children enrolled in their first year of formal full-timeschool are developmentally vulnerable on one or more domains in 2012, compared with23.6 per cent in 2009.A little more than four in 10 (43.2 per cent) Indigenous children are developmentally vulnerableon one or more domains in 2012, compared with close to five in 10 (47.4 per cent) in 2009.Nationally, a lower proportion of children are developmentally vulnerable across each of the fivedevelopmental domains in 2012 compared with 2009 except in the physical health and wellbeingdomain, which remains unchanged at 9.3 per cent.6