This publication, Twenty Questions and Answers About the Ozone Layer: 2014 Update, is a component of the 2014 report of the Montreal Protocol Scientific Assessment Panel, Scientific Assessment of Ozone Depletion: 2014. This document is an update of Twenty Questions and Answers About the Ozone Layer: 2010 (Fahey, D.W., and M.I. Hegglin) and reflects the scientific information presented in the 2014 Assessment Report. It is a continuation of the updates of the first document with this title scope: Twenty Questions and Answers About the Ozone Layer: 2002 (Fahey, D.W.).