Consulting firm Hay Group's Australian Salary Movement Index shows the two speed economy has gone up a gear, with mining jobs paying up to 35.5 per cent more than the national average.

Construction project managers and investment bankers are also cleaning up.

At the other end of the scale are jobs in customer service, marketing, HR and sales, which were all below the national average.

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According to Stephen Paola, senior consultant with Hay's, in most capitals, when it comes to pay, it's lean pickings.

Adelaide's average income is 4.8 per cent below the national average.

Hobart's is 3.5 per cent below; Brisbane's is 3.3 per cent lower; while Melbourne's is 1.2 per cent less.

Sydney's is fractionally lower than the national average, but it's a different story in the west.

"It was really the regional areas of Australia, especially WA, getting paid 16.8 per cent above the national average," Paola said.

The good news is that Australians across the board can expect a four per cent increase over the next twelve months, according to the survey.