| Telephones - main lines in use (2009) | 9.02 million |
| Telephones - mobile cellular (2009) | 24.22 million |
| Mobile cellular subscriptions per 100 inhabitants(2009) | 113.75 |
| Broadband Internet subscribers per 100 inhabitants (2009) |
Fixed 24.42 Mobile 57.67 |
| Telephone system (2007) |
General assessment: excellent domestic and international service. Domestic: domestic satellite system; significant use of radiotelephone in areas of low population density; rapid growth of mobile telephones. landing point for the SEA-ME-WE-3 optical telecommunications submarine cable with links to Asia, the Middle East, and Europe; the Southern Cross fiber optic submarine cable provides links to New Zealand and the United States; satellite earth stations - 19 (10 Intelsat - 4 Indian Ocean and 6 Pacific Ocean, 2 Inmarsat - Indian and Pacific Ocean regions, 2 Globalstar, 5 other) |
| International dialling code | +61 |
| Internet domain | .au |
| Internet hosts (2010) | 13.361 million |
| Internet users (2008) | 15.17 million |
| Internet users per 100 inhabitants (2009) | 74.25 |
| Computers per 100 inhabitants | 78.14 |
| TV sets per 100 people | N/A |