Gender-sensitive measurements are critical for building the case for taking gender (in)equality seriously, for enabling better planning and actions by gender and non-gender specialists, and for holding institutions accountable to their commitments on gender. Yet measurement techniques and data remain limited and poorly utilised, making it difficult to know if efforts are on track to achieve gender equality goals and commitments. This Overview Report examines conceptual and methodological approaches to gender and measurements of change with a focus on indicators, examining current debates and good practice from the grassroots to the international levels.