The 2016 Annual Checklist contains contributions from 158 databases with information on 1,635,250 living and 5,719 extinct species, 137,306 living and 176 extinct infraspecific taxa which belong to 149,046 genera, 8,728 families, 1,094 orders, 250 classes, 99 phyla and 7 kingdoms plus viruses; it also includes 1,460,644 synonyms and 405, 777 common names. There are 12 new databases in the 2016 Annual Checklist, plus new global checklists from ITIS and World Plants.