Let’s Encrypt Statistics and Facts (2021) | By the Numbers

Let's Encrypt Statistics and Facts

Here are a few of the most interesting Let’s Encrypt 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.

Let's Encrypt Statistics and Facts

Please note that some of these numbers are easier to find than others. A few of these Let’s Encrypt 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%

Let’s Encrypt Facts

What is Let’s Encrypt?

Let’s Encrypt gives people the digital certificates they need in order to enable HTTPS (SSL/TLS) for websites, for free. (source)

Let’s Encrypt Statistics

Number of certificates issued by Let’s Encrypt:

1 billion

Last updated 2/27/20

Number of websites served by Let’s Encrypt:

192 million websites

Last updated 2/27/20

Number of Let’s Encrypt employees:


Last updated 2/27/20