3 Basel III Monitoring Report (February 2017)’. 4 These figures are for the 100 “Group 1” banks under the Basel Quantitative Impact Study definition, i.e. banks  with Tier 1 capital in excess of € who are well diversified and are internationally active.
“Group 2” banks, which are the 110 other banks that participate in the QIS, reported a median CET1 ratio of 13.9%, with a 25th and 75th percentile of 11.4% and 18.3%. 5 See, for instance, the Bulletin article ‘Bank farm capital: does it cost the earth?’ (2011).