In 2015, the world reaffirmed its commitment to sustainable development by endorsing the 2030 Agenda for Sustainable Development and its 17 SDGs (2030 Agenda). To reach older people – an important, heterogeneous and growing population – and to create visibility in global and national policy and accountability mechanisms, a closer examination is needed of the kinds of data collection mechanisms and methods, and types of data collected to measure each SDG indicator relevant for older persons, including existing levels of disaggregation, analysis and dissemination.