⚡ Operating Systems in Australia

Server operating systems are designed for computers that provide network services, such as hosting websites or storing data.

Australia is an Oceanian country with a population of over 27 million people.

According to our research, operating systems are detected on 10.3% of websites from Australia.

⭐ Most Popular in 2026

The following chart shows the top operating systems on websites in Australia in 2026, based on market share.

The most popular is Linux with a substantial share of 63%, followed by Windows with 35.8% and Ubuntu with 13.4%.

Linux 63%
Windows 35.8%
Ubuntu 13.4%
Debian 3.4%
CentOS 1.7%
Unix 1.2%
AlmaLinux 1%
Amazon Linux 0.4%
Red Hat Enterprise Linux 0.2%
FreeBSD 0.2%
Fedora 0.09%
OpenBSD 0.07%
Oracle Linux 0.04%

🚀 Highlights

Here is a list of the top systems that are more popular in Australia than worldwide.
Differences between global and country rankings are shown in parentheses.

7. AlmaLinux ^(-1)
8. Amazon Linux ^(-3)
11. Fedora ^(-1)
12. OpenBSD ^(-5)
13. Oracle Linux ^(-1)

✨ Best Operating Systems

Below is a more detailed list of 13 operating systems used on sites from Australia, ranked by their market share.

Rank	Name	Market share
1	Linux San Francisco, California, United States A family of open-source, Unix-like operating systems based on the Linux kernel, originally created by Linus Torvalds and now maintained by a global community of contributors. FreeOpen source	63%
2	Windows Redmond, Washington, United States A family of proprietary operating systems from Microsoft used on personal computers, servers, and virtualized environments. $1,176+	35.8%
3	Ubuntu London, United Kingdom A free operating system based on Debian GNU/Linux, designed for use on desktops, laptops, servers, and mobile devices. FreeOpen source$500+/year	13.4%
4	Debian New York, United States A free and open source Linux distribution. FreeOpen source	3.4%
5	CentOS Raleigh, North Carolina, United States A discontinued open-source Linux distribution compatible with RHEL. Legacy	1.7%
6	Unix San Francisco, California, United States A family of multitasking, multi-user computer operating systems.	1.2%
7	AlmaLinux Estero, Florida, United States An open-source, community owned and governed, free enterprise Linux distribution focused on long-term stability. FreeOpen source	1%
8	Amazon Linux Seattle, Washington, United States A supported and maintained Linux image provided by Amazon Web Services for use on Amazon Elastic Compute Cloud. Free	0.4%
9	Red Hat Enterprise Linux Raleigh, North Carolina, United States A commercial Linux distribution developed by Red Hat for the enterprise market. $383.90+	0.2%
10	FreeBSD Boulder, Colorado, United States An open source Unix-like operating system designed for reliability, performance, and advanced networking across servers, desktops, and embedded systems. FreeOpen source	0.2%
11	Fedora A Linux distribution developed by the Fedora Project. FreeOpen source	0.09%
12	OpenBSD Edmonton, Alberta, Canada A security-focused open-source operating system based on the Berkeley Software Distribution.	0.07%
13	Oracle Linux Austin, Texas, United States A Linux distribution based on RHEL source code, freely distributed by Oracle.	0.04%

👉 See Also

🌎 Operating Systems in other countries

Data is based on the analysis of 73,682 websites from Australia.
Statistics were last calculated on March 21, 2026.
For details, see our methodology and disclaimer.