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OzTAM, Regional TAM and Nielsen have designed a database to represent the entire Australian population, a ‘Virtual Australia’.

The Television Audience Measurement (TAM) service uses a robust and large-scale national Establishment Survey that collects data from 65,000+ interviews each year about respondents’ homes, TV viewing technologies in the home, and the demographics of their household members. The VOZ database is constructed to contain approximately 27 million synthesised (or virtual) ‘individuals’ to represent the profile of all Australians.