⚡ Operating Systems in Korea

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

Korea is an East Asian country with a population of around 52 million people.

According to our research, operating systems are detected on 16.4% of websites from Korea.

⭐ Most Popular in 2026

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

The most popular is Windows with an impressive share of 41.9%, followed by Linux with 39.8% and CentOS with 19.4%.

Windows 41.9%
Linux 39.8%
CentOS 19.4%
Unix 18.4%
Ubuntu 13.7%
Rocky Linux 2.2%
Debian 0.6%
Amazon Linux 0.4%
Red Hat Enterprise Linux 0.3%
Oracle Linux 0.1%
FreeBSD 0.07%
Fedora 0.05%
AlmaLinux 0.02%

🚀 Highlights

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

1. Windows ^(-1)
3. CentOS ^(-2)
4. Unix ^(-2)
6. Rocky Linux ^(-4)
8. Amazon Linux ^(-3)
10. Oracle Linux ^(-4)

✨ Best Operating Systems

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

Rank	Name	Market share
1	Windows Redmond, Washington, United States A family of proprietary operating systems from Microsoft used on personal computers, servers, and virtualized environments. $1,176+	41.9%
2	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	39.8%
3	CentOS Raleigh, North Carolina, United States A discontinued open-source Linux distribution compatible with RHEL. Legacy	19.4%
4	Unix San Francisco, California, United States A family of multitasking, multi-user computer operating systems.	18.4%
5	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	13.7%
6	Rocky Linux Albany, California, United States An open-source enterprise operating system designed to be 100% bug-for-bug compatible with Red Hat Enterprise Linux. FreeOpen source	2.2%
7	Debian New York, United States A free and open source Linux distribution. FreeOpen source	0.6%
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+	0.3%
10	Oracle Linux Austin, Texas, United States A Linux distribution based on RHEL source code, freely distributed by Oracle.	0.1%
11	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	0.07%
12	Fedora A Linux distribution developed by the Fedora Project. FreeOpen source	0.05%
13	AlmaLinux Estero, Florida, United States An open-source, community owned and governed, free enterprise Linux distribution focused on long-term stability. FreeOpen source	0.02%

👉 See Also

🌎 Operating Systems in other countries

Data is based on the analysis of 25,802 websites from Korea.
Statistics were last calculated on March 21, 2026.
For details, see our methodology and disclaimer.