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OzTAM is the official source of television audience measurement (TAM), covering the five city metropolitan areas and nationally for Subscription TV.

The media industry uses OzTAM data to assist in program development, advertising planning and to show how television programs and networks perform.

OzTAM television ratings information is the currency by which television is bought, sold and evaluated.

OzTAM has been measuring digital terrestrial television (DTT) - both Standard Definition (SD) and High Definition (HD) - since August 2005.

Changes to Television Landscape

OzTAM has prepared a short presentation about Changes to the Television Landscape as part of our education program in 2010.

Digital Terrestrial Television and PVR Penetration

Percentage of Households Estimates (pdf, 123k) - Digital Terrestrial Television and PVR households in the metropolitan areas.

For more Time Shift Viewing related information visit the dedicated section of the website: Time Shift Viewing

Data Availability Calendar

Click here for an interactive widget that helps you identify the data availability date of interest.