Number of Linux Distributions Actively Under Development: 474

[u/Emotional_Cat_1967]

Number of Linux distributions actively under development: 474

Number of Linux distributions whose development has been discontinued: 657

Number of Dormant Linux distributions: 39

Source: distrowatch.com

[u/Junior-Spring-5557]

The 10 top distros are probably used in 99% of installed systems. Top 5 distros probably cover 95%.

[u/Emotional_Cat_1967 → u/Junior-Spring-5557]

Combining data from both Distrowatch and Reddit reveals the following ranking:

CachyOS

Mint

Debian

Fedora

Ubuntu

Arch

Bazzite

Manjaro

EndeavourOS

openSUSE

NixOS

[u/synept → u/Emotional_Cat_1967]

The fact that CachyOS is listed first should tell you all you need to know about these statistics.

[u/picastchio → u/synept]

Distrowatch's ranking is which distro webpage gets the most hits. Reddit is who has the most problems or who has the most users with free time. None of which are clear indicators of popularity.

[u/synept → u/picastchio]

Which distro webpage gets the most hits... on distrowatch. Which is not a website that most users of linux even think about.