Australia Mobile Phone Subscriber Statistics 2015.
Telstra is the major operator in the Australian Mobile phone network, with one report showing the following numbers of Subscribers to their mobile networks
16.37 million Telstra (beginning of 2015), including wholesale customers.
9.43 million Optus (March 2015)
4.86 million Vodafone (June 2015)
That’s a total of 30.66 million mobile subscribers for a population of 23.13 million men women and children in Australia.