Methods of authentication used among 18-75 year olds (2016-18)
Q. Which, if any, of the methods listed below have you used to identify yourself when unlocking your phone, authorising mobile payments or other transactions?
Weighted base (2016/2017/2018): All smartphone owners aged 18-75 (3,251/3,393/3,496)
Source: UK edition, Deloitte Global Mobile Consumer Survey, May-Jun 2016, May-Jun 2017, Jun 2018
Note: Eye/iris recognition option was not available in 2016