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Osteoarthritis is a degenerative condition that mostly affects the hands, spine and joints such as hips, knees and ankles, and usually gets worse over time. It is the predominant condition leading to knee and hip replacement surgery in Australia.

This information was last updated in December 2016.


1 in 11

Australians (9%) have osteoarthritis based on self-reported data, approximately 2.1 million people in 2014–15.


2 in 3

people who have osteoarthritis, based on self-reported data, are female.


1 in 4

people with osteoarthritis self-reported fair or poor health (26%), compared to about 1 in 8 people (13%) without these conditions.


29%

rise in the rate of total knee replacements for osteoarthritis and a 31% rise in hip replacement from 2005–06 to 2014–15.