This guide is the latest publication about the pay gap between men and women included in the ACCTIOON EQUAL PAY project, which the Secretariat for Women and Equality is carrying out under the Application of financial mechanism EEE2009-2014 in the “Gender equality and reconciling work and family life” programme, approved on May 31, 2013. The Equality programme has the long-term goal of helping to reduce economic and social inequalities in the European Economic Area by means of the objective, among others, of promoting equality between women and men in employment, paying special attention to reducing the pay gap.