Determines the types of Television Audience Measurement (TAM) panel homes needed to reflect the overall Australian population and is conducted via 65,000+ random phone interviews on both mobile and landlines annually. Questions include the number of working TVs in the home, presence of subscription TV services, who does the grocery shopping, etc., in addition to age, gender, occupation category and household income. Every home in OzTAM, Regional TAM and Rest of Australia coverage areas has an equal chance of being contacted to participate in the national Establishment Survey.