HIV cells


Human immunodeficiency virus (HIV) is a virus that attacks the immune system. Without treatment, HIV causes acquired immunodeficiency syndrome (AIDS). HIV is transmitted sexually, by blood-to-blood contact including through injecting drug use, and from mother to child.

  • There were 901 new HIV diagnoses in 2019. This represents a decline of 12 per cent over five years.

  • While long term trends suggest HIV is declining in Australia, there was a slight increase in HIV numbers from 2018-2019. 

  • The number of new HIV diagnoses among Aboriginal and Torres Strait Islander peoples fluctuated over the last five years, but Aboriginal and Torres Strait Islander peoples continue to be diagnosed with HIV at a higher rate than Australian-born non-Indigenous Australians.

  • Among gay and bisexual men, HIV diagnoses have declined by over 20 per cent in the past five years.

  • The numbers of new HIV diagnoses among heterosexuals and people born overseas have remained steady since 2015.


You can explore the latest HIV data from Australia in the data dashboard below.

These tables are interactive, allowing you to filter and present the data in detail.

  • Choose the category of interest under the 'Stratification' drop down menu. To the right of this menu you can filter the population of interest by selecting the check box.

  • Hover the mouse over the charts and tables to reveal further details.

  • These graphics are best viewed in full screen by clicking the box icon to the bottom-right of the tables.

  • For the notifications data, select the range of dates using the 'Year of notification' slider

  • You can export a PDF version of the selected view by selecting 'Download PDF'

  • For HIV notifications data broken down by quarter, please visit

Please note that the notification rates presented below are age standardised.

Source of data: State and territory health authorities

Latest data

Source: State and territory health authorities.

Many thanks to the jurisdictional HIV surveillance officers for their help with the collation of these data.

What does this mean?