The average Australian tax refund is $2,800 â here are some ways you could use the extra cash The average Australian tax refund is $2,800. Here's what you can do with the extra money, if you're among the majority of taxpayers who can expect a refund. 17 July 2021 If you hate doing your tax, perhaps knowing the average refund is almost $3,000 will make the chore a little easier. Last year the ATO refunded more than $30 billion to 10.8 million Australians. If you are among the almost 80 per cent of taxpayers who can expect money back, we find out what you could do with the extra cash.