Cricket Australia says this summer's Ashes is on track to be the most-watched and most-followed series ever played in Australia.
The Nine Network's coverage has attracted an average of 1.55 million viewers per day across metropolitan and regional Australia, according to OzTAM figures released by CA on Tuesday.
The third Test in Perth, where Australia regained the Ashes, drew a series-high average peak of 2.37 million on the third day of play.
Cricket Australia Live: The Official App, has been download more than 500,000 times since early November, CA says.
Cricket's national governing body says 3.33 million users have visited either the CA website or App.
"There have been 127 million page views on cricket.com.au while fans have accessed video content 3.8 million times since 1 November," CA said.
"The series has also been one of the most discussed, debated and followed events on social media. CA's Facebook, Twitter, Instagram, Google+ and YouTube accounts have all experienced record levels of activity."
Fairfax and ABC have provided ball-by-ball radio coverage.
"The response from the Australian public has been fantastic. As we enter the Boxing Day Test, all indications are that many of our key metrics will be at or close to an all-time high," CA chief James Sutherland said.
A crowd of around 90,000 is expected at the MCG on Thursday. The world record is 90,800.
A total of 360,200 people have attended the first three Tests in Brisbane, Adelaide and Perth.
Should bouncers be banned from cricket?