This edition of The State of Agricultural Commodity Markets focuses on how markets can bring us closer to achieving the 2030 Agenda for Sustainable Development. SOCO 2020 offers a detailed analysis of the major global trends in agri-food markets and trade to identify how to reap economic, environmental and social gains and spur overall development. The report makes an important contribution to the debate on how well-functioning markets can contribute to inclusive economic growth and sustainable development. SOCO 2020 discusses policies, innovative mechanisms and digital innovations that can promote the participation of developing countries and smallholder farmers in global value chains. The report also looks at policy responses to address the impacts of the COVID-19 pandemic on food value chains, both nationally and globally. Part 1. Trends in agricultural and food markets -- Part 2. Global value chains in food and agriculture -- Part 3. Farmers and value chains : business models for sustainable growth -- Part 4. Digital technologies and agricultural and food markets -- Annex table A.1 Definition of food agregates as used in Part 1, trade by food agregates -- Annex table A.2 Definition of food agregates based on FAO food balance sheets.