First Adult: 21.46 days
First Adult (With Interview): 23 days
Adult Renewal: 16.36 days
First Child: 22.81 days
Child Renewal: 16.89 days
First Adult (overseas application): 40 days
Adult Renewal (overseas application): 30.27 days
(Crowd sourced data for last 30 days)
View graphs showing averages over time here