There are even categories for people who love the same movies, and those that suffer from the same sexually transmitted diseases.
About 26% of all young adults in 2011 claimed to have no religion, a rise from 12% in 1976.
The growth in the number of users has been fuelled by: Australia, just like the rest of the world, has been experiencing a steady increase in the number of internet users over the last two decades.
There are now 86% Australian households, representing 7.7 million, with access to the internet up from 65% in 2008.
Compared to traditional dating where a person had to go to the bar or some other social meeting place with hopes of meeting a prospect, the internet has given users access to all types of people in a short time.
Online dating has lost its stigma over the past 10 years.