PLOS Journals Citation Distribution Summary Data AdvocacyPLOS 2016 Citations are to ‘citable documents’ (<a href="http://wokinfo.com/essays/impact-factor/">as classified by Thomson Reuters</a>), which include standard research articles and reviews; distributions contain citations accumulated in 2015 to citable documents published in 2013 and 2014. Data was extracted using the “Purchased Database Method” detailed in the V. Larivière <i>et. al</i>. <a href="http://biorxiv.org/content/early/2016/07/05/062109">BioRxiv article</a>. To facilitate direct comparison, distributions are plotted with the same range of citations (0-100) in each plot; articles with more than 100 citations are shown as a single bar at the right of each plot. Copyright held by Thomson Reuters prohibits publication of the raw data.