In an era marked by complex and interwoven crises, the role of the United Nations in preparing for the future has never been more critical. This review of UN DESA's foresight and preparedness efforts shows how the Department's economic and demographic forecasts, capacity development programmes, and work towards accelerating an inclusive and just transition help governments and people make strategic choices to shape and prepare for the future they want. USG introduction -- Chapter 1 -- Forecasting and framing the global economic outlook -- Chapter 2-- Effective governance and leaving no one behind in foresight efforts -- Chapter 3-- Focus on the future of the global population --Chapter 4 -- Ensuring sustainable financing --Chapter 5-- Enabling the green transition -- Chapter 6 -- Preparing for an open, free and secure digital future for all -- Chapter 7 -- Building a strong foundation through data and statistics