"Sometimes as much as 18 months, and on a few occasions I have even had the 'house full' sign sent to me," said AMA vice president Dr Tony Bartone.
Some patients will have to wait up to two-and-a-half years before surgery, he added, saying this situation is "unacceptable".
The report also revealed that waiting times for emergency departments are worse, with 66 per cent of urgent presentations in 2016-17 seen within the recommended time frame.
The AMA is calling on the governments to work out a better funding agreement for the public hospital system or people will die.
"The current funding formula will doom our public hospitals to fail, and patients will suffer as a result," said AMA president Michael Gannon.
This is what socialized medicine gets you
stop whingjng and expecting more and more money to be flushed down public medical services and demand that we allow greater private participation in the medical system
Public funds should be used for emergency medical services only
The AMA is one of our worst Unions, restricting entry into the profession in order Into the profession to keep their salaries sky high