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.
Guide to revisions of statements in 2013 report
Guide to revisions of statements in 2011 report
Guide to revisions of statements in 2008 report
Guide to revisions by country (file size: 130 KB)
For guides to changes in previous reports, please contact us at firstname.lastname@example.org