The 38-year-old singer's recent success in America has almost quadrupled his earning's from $4.7 million last year to $20 million this year--tying him in equal fourth place with X-Men star Hugh Jackman.
Urban was beaten by his girlfriend Nicole Kidman, who came third in the list with an annual earning of $22.3 million.
The celebrity pair came just behind children's group The Wiggles and legendary rockers AC/DC, who came first and second respectively in BRW magazine's list of Australia's 50 richest performers in 2005.
Hollywood star Russell Crowe, who has taken a break from acting to perform with new band The Ordinary Fear of God, dropped to 18th on the list this year, with just $5 million in earnings compared to last year's $27 million.
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