10 Firefox Statistics and Facts (2020) | By the Numbers

Firefox Statistics and Facts

Here are a few of the most interesting Firefox statistics I was able to dig up. As always, be sure to check back in the future as I will be updating this post as new and updated stats become available.
Firefox Statistics and Facts

Firefox Facts

  • Year Firefox Launched: 1998
  • Firefox Creators: Dave Hyatt, Joe Hewitt, and Blake Ross
  • Firefox Developer: Mozilla
  • Firefox Headquarters: Mountain View, Ca

Firefox Statistics

How many people use Firefox?

250 million monthly users

Last updated 8/30/18

Number of Firefox installs:

253 million

Last updated 1/15/20

Number of times Firefox Focus for Android has been downloaded:

1 million

Last updated 7/20/17

Firefox's share of the worldwide internet browser market:


Last updated 5/1/15

Number of Firefox for Android downloads:

100 million

Last updated 4/9/15

Percentage of the Firefox code that is written by volunteers:

approx 40%

Last updated 8/8/15

Number of languages Firefox is available in:

89 languages

Last updated 8/8/15

Percentage of Firefox users that use the non-English versions:

more than 50%

Last updated 8/8/15

Number of Firefox employees:

about 1,000

Last updated 1/15/20

Recent Firefox News: