Australian Infantry Battalions World War I
First Division – formed in August 1914
1^st Brigade	2^nd Brigade	3^rd Brigade
1^st Bn NSW	5^th Bn VIC	9^th Bn QLD
2^nd Bn NSW	6^th Bn VIC	10^thBn SA
3^rd Bn NSW	7^th Bn VIC	11^th Bn WA
4^th Bn NSW	8^th Bn VIC	12^th Bn TAS,WA, SA
Second Division – formed in August 1915
5^th Brigade	6^thBrigade	7^th Brigade
17^th Bn NSW	21^st Bn VIC	25^th Bn QLD
18^th Bn NSW	22^nd Bn VIC	26^th Bn QLD, TAS
19^th Bn NSW	23^rd Bn VIC	27^th Bn Mainly SA
20^th Bn NSW	24^th Bn VIC	28^th Bn WA
Third Division – formed in March 1916
9^th Brigade	10^th Brigade	11^th Brigade
33^rd Bn NSW	37^th Bn VIC	41^st Bn Mixed, QLD
34^th Bn NSW	38^th Bn VIC	42^nd Bn QLD
35^th Bn NSW	39^th Bn VIC	43^rd Bn SA, some WA
36^th Bn NSW	40^th Bn VIC, TAS	44^th Bn Mixed
Forth Division – formed in February 1916 ( 4^th Bde was formed in January 1915 as part of the Anzac Div.)
4^th Brigade	12^th Brigade	13^th Brigade
13^th Bn NSW	45^th Bn NSW	49^th Bn QLD
14^th Bn VIC	46^th Bn VIC	50^th Bn Mixed, SA
15^th Bn QLD, TAS	47^th Bn QLD, TAS	51^st Bn Mixed, WA
16^th Bn WA, SA	48^th Bn WA, SA	52^nd Bn Mixed
Fifth Division – formed in February 1916
8^th Brigade	14^th Brigade	15^th Brigade
29^th Bn VIC	53^rd Bn NSW	57^th Bn VIC
30^th Bn NSW	54^th Bn NSW	58^th Bn VIC
31^st VIC, QLD	55^th Bn NSW	59^th Bn VIC
32^nd Bn WA, SA	56^th Bn NSW	60^th Bn VIC