Elective surgery waiting lists at Tasmania's four public hospitals have ballooned by thousands over the past year.
Latest data from the state's health department show 7933 people were on the elective surgery waiting list in June, a 47 per cent jump from 5403 at the same time last year.
The Royal Hobart Hospital had the greatest spike of the state's public hospitals with more than 51 per cent.
Four in 10 elective surgery patients at the hospital weren't treated within recommended time frames.
Just 37 per cent of the hospital's category two patients - deemed semi-urgent - were seen within the recommended 90 days.
The data is further evidence of a health system in crisis, state Labor opposition spokeswoman Sarah Lovell and independent MP Andrew Wilkie say.
But the state government has backed its elective surgery funding, pointing to an extra $20 million in this year's budget.
Health Minister Michael Ferguson admitted demand for elective surgery is increasing but said the percentage of people being seen within the recommended time had remained steady.
Seven in 10 elective surgery patients across Tasmania were seen within recommended time frames in June, compared to 76 per cent at the middle of 2017.
"The government can spin the figures the way they want to," Ms Lovell said on Monday.
"I'd like to see the government explain that to someone who is waiting for elective surgery."
A legislative inquiry is currently examining acute health services in Tasmania, amid bed block and reports of mental health patients being forced to sleep on the floor of the RHH's emergency department.
