Minister Chris Evans met industry leaders is Perth today to discuss future migration needs.

The minister says he will be further investigating a state by state migration policy.

"I think it is true to say that we have a number of different economies inside Australia," he said.

Western Australia and Queensland were flagged as special cases that require more skilled workers as a result of their mining booms.

The minister also plans to change the migration policy to give preference to workers sponsored by businesses, but the WA Chamber of Commerce and Industry is concerned that this would only attract skilled workers when there is also a shortage of unskilled labour.

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