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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
  • 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 see these questions and answers about user statistics.

Source:

Download graph as PNG or PDF.

Download data as CSV.

Related events

The following events have been manually collected on this wiki page and might be related to the displayed graph.

Dates Places/Protocols Description and Links
2018-08-04 to 2018-08-05 Collector was missing consensuses. They were recovered via recent relay consensus diffs.
metrics-team thread tor-relays thread
2018-07-29 to present Bangladesh Protests over road safety in Dhaka, Bangladesh. Reports of mobile network throttling and blocking of Facebook.
New York Times article Daily Star article on throttling
2018-07-21 Bridges The estimated number of bridge users becomes available again, following the introduction of the new bridge authority Serge on 2018-07-13. The stats took about a week to reappear because of the discontinuity in bridge reporting affecting the estimated fraction of reporting bridges.
mailing list post graph
2018-07-15 snowflake Made the Snowflake bridge report to the new Serge bridge authority.
comment
2018-07-14 Bridges Release of Tor 0.2.9.16, 0.3.2.11, 0.3.3.9, and 0.3.4.5-rc. Switches bridge authority from Bifroest to Serge. The number of bridges begins counting up from zero as bridges are upgraded. The estimated number of bridge users remained unavailable until 2018-07-21 because of the discontinuity.
announcement ticket blog post number of bridges graph
2018-07-13 Bridges The replacement bridge authority Serge begins publishing bridge descriptors.
ticket ticket number of bridges graph
2018-07-06 ipv4 ipv6 geoip and geoip6 databases updated to "July 3 2018 Maxmind GeoLite2 Country" (geoip-db-digest CFFD7B0544879150A31F966E83DBB7DDDFA16F49, geoip6-db-digest B25710F60CB23F0C76F58AFB0A26A26ACB701BB2).
commit
2018-07-06 Bridges The bridge authority Bifroest stops publishing bridge descriptors. Bridge stats are unavailable until 2018-07-13 and the introduction of a new bridge authority.
ticket ticket mailing list post number of bridges graph
2018-07-04 to 2018-07-06 snowflake Outage of the Snowflake bridge, caused by a full disk.
ticket
2018-07-01 to present Uganda A social media tax takes effect in Uganda. The government pressures ISPs to block VPNs.
relay graph bridge graph BBC article AllAfrica article
2018-06-27 meek Release of Tor Browser 8.0a9 with non-working meek.
blog post ticket
2018-06-20 to present Venezuela Venezuela's largest ISP, CANTV, blocks direct access to Tor and the IP addresses of default bridges. meek and non-default bridges are reported to work.
ticket mailing list post Access Now report
2018-06-11 ipv4 ipv6 geoip and geoip6 databases updated to "June 7 2018 Maxmind GeoLite2 Country" (geoip-db-digest 93112125248AD2C11A2531B934FD4AC03999738D, geoip6-db-digest BFD2B453F2D9DC875B7B0C464A185E6C3202534F).
commit
2018-06-10 meek Release of Tor Browser 8.0a8, removes meek-amazon option.
blog post
2018-06-10 Turkey Relays Unknown Jump of relay users in Turkey, from 5k to about 30k. The timing corresponds to the release of Tor Browser 7.5.5 and 8.0a8.
relay graph bridge graph comment
2018-06-09 meek Release of Tor Browser 7.5.5, removes meek-amazon option.
blog post
2018-05-23 to present Bridges Unknown Sharp increase in bridge users in many unrelated countries, affecting even the global aggregate. Relay users unaffected. The graphs reach a peak around 2018-06-07 and then begin falling again. An incomplete sampling of affected countries: Bangladesh Chile Indonesia Morocco Venezuela.
relay graph bridge graph

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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.