Figure 2. Proportion of journals issuing corrections or retractions amongst all journals covered by the Web of Science database, by year.

Bars represent total number of journals covered by the Web of Science database each year. Green, proportion of journals that published at least one record marked as “correction” or “correction, addition,” amongst all journals appearing in the Web of Science database. Red, proportion of these that published at least one correction with “retraction” in the title. Black, proportion of retracting-journals amongst all those correcting or retracting.