Here are a few of the most interesting Threema statistics and facts I was able to dig up including user counts. As always, be sure to check back in the future as I will be updating this post as new and updated stats become available.
What is Threema?
Threema is the world’s best-selling secure messenger and keeps your data out of the hands of hackers, corporations, and governments. The service can be used completely anonymously. Threema is open source, allows to make end-to-end encrypted voice and video calls, and offers every feature one would expect from a state-of-the-art instant messenger. With Threema Web, you can also use Threema from your Desktop. (source)
Threema User Count
How many people user Threema?
Last updated January 2020
Additional Threema Statistics
None at this time. Be sure to check back soon.