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Tor Metrics
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Users

We estimate the number of users by analyzing the requests induced by clients to relays and bridges.

  • Relay users
  • Bridge users by country
  • Bridge users by transport
  • Bridge users by country and transport
  • Bridge users by IP version
  • BridgeDB requests by requested transport
  • BridgeDB requests by distributor
  • Top-10 countries by relay users
  • Top-10 countries by possible censorship events
  • Top-10 countries by bridge users
  • “The anonymous Internet”
Bridge users by transport graph

This graph shows the estimated number of clients connecting via bridges. These numbers are derived from directory requests counted on bridges. Bridges distinguish connecting clients by transport protocol, which may include pluggable transports, so that graphs are available for different transports. For further details check the documentation on Reproducible Metrics.

Source:

Download graph as PNG or PDF.

Download data as CSV.

Learn more about the CSV data format or how to reproduce the graph data.

Related events

The following events have been manually collected in the metrics-timeline Git repository and might be related to the displayed graph.

Dates Places/Protocols Description and Links
2015-04-27 obfs4 Release of Tor Browser 4.5, the first stable release with obfs4.
blog post
2015-04-24 ipv4 geoip database updated to "April 8 2015 Maxmind GeoLite2 Country" (geoip-db-digest 0A1F9C09E08F6F2490E8880664D4E863D1680A12).
commit
2015-04-24 ipv6 geoip6 database updated to "April 8 2015 Maxmind GeoLite2 Country" (geoip6-db-digest A6E9B5DE6F887315749B29F9C9F698215BE5240A).
commit
2015-04-19 meek obfs4 Release of Orbot v15 alpha 5, first release with obfs4.
mailing list post
2015-04-15 meek Tor Weekly News covers the meek-azure performance improvement.
blog post
2015-04-08 meek Implemented persistent connections for meek-azure, increasing performance.
mailing list post
2015-03-09 ipv4 geoip database updated to "March 3 2015 Maxmind GeoLite2 Country" (geoip-db-digest C1EB5237F2FBAF63381D8551157F13D12EFCCA25).
commit
2015-03-09 ipv6 geoip6 database updated to "March 3 2015 Maxmind GeoLite2 Country" (geoip6-db-digest 1F99B6B0EC78E9DB34D61AE7E0FC261D558E8E5D).
commit
2015-02-28 meek Altered performance settings on the meek-google App Engine instance in an effort to reduce instance hours. Set max idle instances to 4 and min pending latency to 500 ms.
2015-02-14 meek Release of Orbot v15-alpha-3, first release with meek.
mailing list post

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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.