This study, commissioned by the European Parliament’s Policy Department for Citizens’ Rights and Constitutional Affairs at the request of the JURI Committee, provides an overview of gender quotas and of recommendations regarding board gender diversity in Corporate Governance Codes in the EU Member States. It analyses, in more detail, policies and practices as well as their impact on women’s board representation in Spain, France, Italy, the Netherlands and Germany. The study concludes by recommending the timely adoption of the proposed Directive for an EU-wide gender quota on corporate boards.