Tobacco Free Initiative (TFI)

WHO report on the global tobacco epidemic: guide to revisions

As part of a rigorous quality assurance process, WHO checks all data that were published in previous WHO Reports on the Global Tobacco Epidemic. This process has confirmed accuracy of 97% of data published in the reports. The below tables provide detailed explanations of statements made in the previous reports and revised for the 2015 report as a result of the quality assurance process.

For guides to changes in previous reports, please contact us at


Last update:

9 October 2015 14:45 CEST

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