The Australian Immunisation Register (AIR) is administered by Services Australia and records details of vaccinations given to individuals who live in Australia.
National, state and SA3-level vaccination coverage data from March 2014 to latest quarter is available from the Australian Department of Health, Disability and Ageing's Immunisation Dashboards for:
A series of annual reports on vaccination coverage in NSW from the National Centre for Immunisation Research and Surveillance (NCIRS) is also available: