TAM Overview


23,778,000 (source ABS 2015 - Australian estimate resident population), Nielsen TAM population 23,773,200

Panel Size:

The OzTAM panel has 5,250 homes across five metropolitan markets (Sydney 1,475; Melbourne 1,475; Brisbane 1,000; Adelaide and Perth 650).

The Regional TAM panel has 2,733 homes across the four east coast aggregate markets (Queensland 812, Northern NSW 700, Southern NSW 570, Victoria 651), Regional WA 180 and Tasmania 285.   

The National Subscription TV panel is comprised of 2,120 subscription TV homes across both metropolitan and regional areas.

First data production:

January 2001 (Metro), January 2003 (Regional), August 2003 (Subscription TV) and January 2007 (Regional WA)

Daily Data Release:

Nielsen TAM produces five audience databases, 365 days per year on behalf of both OzTAM and Regional TAM.

Time Shift Viewing:

At the start of the 2010 ratings year Nielsen TAM commenced measuring Time Shift Viewing for both the OzTAM and Regional TAM services.

The Panel


Peoplemeters installed:

In excess of 14,500 metered TV sets.

Data monitored:

Terrestrial, cable, satellite

Data retrieval via:

Telephony (fixed line and GSM)

Products and Services


Elemental audience database and Programs only database

Software Packages:

Arianna incorporating Viewing Behaviour, Post Analysis and Competitive TV expenditure modules.

Data delivery:

Digital download via internet daily.