Wikidata contributes to many of the Sustainable Development Goals (SDGs) with its role as a multilingual collaborative knowledge base, serving as a central data source that supports applications and research by connecting information across languages and disciplines. SDG 4: Quality Education: Wikidata makes information accessible in a machine-readable format that can be reused across languages, platforms, and educational tools. This enables students, teachers, and researchers to access, query, and connect knowledge globally, fostering inclusive learning, data literacy, and innovation in education. SDG 5: Gender Equality: Wikidata advances SDG 5 by enabling the collection and analysis of structured data on gender representation across fields, from politics to science. By making gender-disaggregated data freely available and linking it across languages, Wikidata helps highlight gaps, combat bias, and support initiatives that promote women’s visibility and equal participation in knowledge systems. SDG 8: Decent Work and Economic Growth: Wikidata contributes by offering free, structured data that supports research, innovation, and digital skills development. By enabling open access to information, it empowers entrepreneurs, developers, and policymakers to create tools and insights that foster sustainable growth, decent work opportunities, and a more inclusive global economy. SDG 9: Industry, Innovation and Infrastructure: Wikidata drives SDG 9 by providing an open, structured data infrastructure that fuels innovation in research, technology, and education. Its interoperable knowledge graph supports digital tools, AI systems, and data-driven solutions, enabling industries, researchers, and innovators worldwide to build more inclusive, sustainable, and resilient knowledge infrastructures. SDG 10: Reduced Inequalities: Wikidata contributes to SDG 10 by offering open, structured data that can be accessed and reused globally, regardless of language or technical barriers. Its multilingual framework and machine-readable format help reduce knowledge inequalities by empowering marginalised communities, researchers, and developers to build inclusive tools and resources that bridge gaps in information access and representation. SDG 16: Peace, Justice, and Strong Institutions: Wikidata supports SDG 16 by providing transparent, verifiable, and openly licensed structured data that underpins evidence-based decision-making. By linking information across institutions, governments, and civil society, it fosters accountability, combats misinformation, and strengthens access to reliable data essential for peace, justice, and effective governance.