Last update: July 19th, 2020.
This graph shows the average number of successful title defences made by the reigning champions, as a collective, at any point in UFC history.
Today, our 12 reigning champions hold a combined 19 successful defences, giving them an average of 1.58 successful defences each.
Statistically speaking, the most dominant crop of champions in UFC history (pictured below) reigned between the 25th of May 2013 and the 6th of July 2013. The 9 reigning champions during that period had made 35 combined successful title defences- an average of 3.89 successful title defences each.