Installation Statistics
Note: AMIs are only a rough estimate of the number of active Thunderbird installations each month, they are not a count of users. Learn More
Weekly AMI Estimates
Note: ADIs are only a rough estimate of the number of active Thunderbird installations each day, they are not a count of users. Learn More
Daily ADI Estimates
Note: ADIs are only a rough estimate of the number of active Thunderbird installations each day, they are not a count of users. Learn More
Note: This statistic became inaccurate following the release of Thunderbird 78. The bottom graph shows the old stats before they became inaccurate, and the top one uses Telemetry data for accurate stats reflecting TB78 and above.
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