First Adult: 18.26 days
First Adult (With Interview): 26.25 days
Adult Renewal: 13.30 days
First Child: 19.50 days
Child Renewal: 15.57 days
First Adult (overseas application): 42 days
Adult Renewal (overseas application): 36.60 days
(Crowd sourced data for last 30 days)
View graphs showing averages over time here