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Welcome to Tor Metrics, the primary place to learn interesting facts about the Tor network, the largest deployed anonymity network to date. If something can be measured safely, you'll find it here.*

*And if you come across something that is missing here, please let us know.





Name Tags Type Level
Direct users by country Clients Graph Basic
Bridge users by country Clients Graph Basic
Bridge users by transport Clients, Pluggable transports Graph Basic
Bridge users by IP version Clients Graph Basic
Top-10 countries by directly connecting users Clients Table Basic
Top-10 countries by possible censorship events Clients Table Basic
Top-10 countries by bridge users Clients Table Basic
Tor users as percentage of larger Internet population Clients Link Basic
Estimated number of clients in the Tor network Clients, Pluggable transports Data Advanced

About Tor Metrics

This material is supported in part by the National Science Foundation under Grant No. CNS-0959138. Any opinions, finding, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.

"Tor" and the "Onion Logo" are registered trademarks of The Tor Project, Inc.

Data on this site is freely available under a CC0 no copyright declaration: To the extent possible under law, the Tor Project has waived all copyright and related or neighboring rights in the data. Graphs are licensed under a Creative Commons Attribution 3.0 United States License.