Some of them have been living here for over 20 years, according to a report in The Australian. The nationalities of these overstayers may surprise you.
The department of immigration estimates that some 62,100 people were unaccounted for in Australia during 2014, which is roughly 1.2 per cent of the 5.5 million people who enter the country each year on temporary visas.
People from China, Malaysia and the United States were the highest number of visa overstayers in Australia in 2013, with the Chinese topping the list at 7690.
According to an Immigration Department report, Migration Trends 2012-2013, visitors (44,800) and students (10,720) were the largest cohort of visa holders to overstay their visit. The highest number of visa overstayers in 2013 by nationality came from China (7690), Malaysia (6420), the US (5220) and the UK (3780).
An Immigration spokesman told The Australian that people found with expired visas could be detained and removed if located by the department in the community. Unlawful non-citizens also face a three year re-entry ban.