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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”
Relay users graph

This graph shows the estimated number of directly-connecting clients; that is, it excludes clients connecting via bridges. These estimates are derived from the number of directory requests counted on directory authorities and mirrors. Relays resolve client IP addresses to country codes, so that graphs are available for most countries. Furthermore, it is possible to display indications of censorship events as obtained from an anomaly-based censorship-detection system (for more details, see this technical report). For further details check the documentation on Reproducible Metrics.

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
2023-01-12 ipv4 ipv6 geoip and geoip6 databases updated to "IPFire Project Thu, 12 Jan 2023 05:25:41 GMT" (geoip-db-digest D48EC82E3F03A0C929B6D85FBA12D538524AC9B1, geoip6-db-digest BB4E522D86A3C1FB6E820A69F4AA16DAC953B05B).
commit
2023-01-12 snowflake Restarted snowflake-server on the snowflake-01 bridge with num-turbotunnel=4.
issue
2022-12-21 webtunnel Release of Tor Browser 12.5a1, first release with WebTunnel for desktop.
blog post merge request
2022-12-20 snowflake Increased firewall connection tracking limits on the snowflake-02 bridge.
issue
2022-12-13 snowflake Increased firewall connection tracking limits on the snowflake-01 bridge.
comment
2022-12-07 snowflake Release of Tor Browser 12.0, the first stable release to contain both the snowflake-01 and snowflake-02 bridges.
issue blog post BBS comment NTC comment
2022-12-06 ipv4 ipv6 geoip and geoip6 databases updated to "IPFire Project Thu, 10 Nov 2022 06:23:12 GMT" (geoip-db-digest A5C34FC3C709B524ADE33779FFD75C64D1F5003D, geoip6-db-digest 10AAC07E3C77361DF777A0DC1EA956997CB8D439).
commit
2022-12-06 ipv4 ipv6 geoip and geoip6 databases updated to "IPFire Project Sun, 04 Dec 2022 05:55:29 GMT" (geoip-db-digest 7F3C80C728C56ABA89C3E56279BECFD39314DD97, geoip6-db-digest FD15242DA08323FC66363B431359313374633FDC).
commit
2022-12-01 snowflake Release of Tor Browser 12.0a5, the first release to contain both the snowflake-01 and snowflake-02 bridges.
issue announcement BBS comment
2022-11-10 Release of tor 0.4.7.11, with mitigations against network denial of service.
announcement
2022-10-27 snowflake Release of Tor Browser 11.5.6. Fixes the problem that prevented Snowflake from working in 11.5.5, and enables uTLS TLS camouflage support by default for Snowflake.
blog post issue
2022-10-26 snowflake Distributed snowflake-01 outgoing traffic over five IP addresses, in an attempt to mitigate anti-DDoS false detections by other relays.
comment
2022-10-26 snowflake Reboot of the snowflake-01 bridge for software updates.
2022-10-25 meek snowflake Release of Tor Browser 11.5.5. Adds a new working default meek bridge. Intended to enable uTLS TLS camouflage support by default for Snowflake, but had a bug that prevented Snowflake from working.
blog post issue
2022-10-20 snowflake Release of Orbot for Android 16.6.3-BETA-2-tor.0.4.7.10. Adds uTLS TLS camouflage support for Snowflake, making it possible to circumvent recent TLS blocking in Iran.
release announcement
2022-10-19 snowflake Reboot of the snowflake-01 bridge for software updates.
2022-10-17 to 2022-10-25 snowflake Temporary experiment with reverting the 2022-10-03 Snowflake broker change to require multi-bridge support in proxies.
comment for beginning comment for end meeting notes meeting log
2022-10-05 to 2022-12-05 meek The default meek-azure bridge meek has a configuration issue and the metrics website cannot process statistics.
issue
2022-09-29 to 2022-10-31 When Tor Metrics introduced a new method of counting clients (to work with multi-instance relays like the Snowflake bridge), it required reprocessing stats in the overlapping months.
issue
2022-06-06 to 2023-04-05 Network-wide DDoS attack.
status.torproject.org issue forum thread graph onion v3 traffic
2021-06-10 to present Experiment to test latencies between relays.
status.torproject.org post announcing start
2018-09-26 to present fte Outage of default FTE bridge 128.105.214.162:8080.
comment
2018-09-26 to present fte Outage of default FTE bridge 128.105.214.163:8080.
comment
2018-01-05 to present Outage of the op-hk OnionPerf instance.
op-hk graph
2017-12-04 to present DDoS attack creates load on the network.
tor-relays thread relay graph summary post ticket
2017-02-10 to present OR exit Measurement error from bandwidth authority causes decrease in measured bandwidth in Europe.
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.