First Adult: 22.30 days
First Adult (With Interview): 24.33 days
Adult Renewal: 18.52 days
First Child: 23.17 days
Child Renewal: 19.36 days
First Adult (overseas application): 40 days
Adult Renewal (overseas application): 34.14 days
(Crowd sourced data for last 30 days)
View graphs showing averages over time here