Stack Overflow Statistics and Facts (2021) | By the Numbers

Stack Overflow Statistics and Facts

Here are a few of the most interesting Stack Overflow statistics and facts 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.

Stack Overflow Statistics and FactsPlease note that some of these numbers are easier to find than others. A few of these Stack Overflow stats come from their own reports, but some are based on news reports and not official company tallies. No information contained on DMR should be relied upon to make investment decisions. Basically, this is the best I can find and I don’t guarantee anything to be 100%

Stack Overflow Facts

Stack Overflow Statistics

Number of Stack Overflow monthly visitors:

50 million

Last updated 3/3/20

Number of Stack Overflow employees:


Last updated 11/6/18

Average number of visits per user, per month:


Last updated 11/6/18

Number of questions on Stack Overflow:

14 million

Last updated 11/6/18

Number of answers on Stack Overflow:

19 million

Last updated 11/6/18

What is Stack Overflow?

Stack Overflow is the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. (source)