"Global Trends 2030: Alternative Worlds" is the fifth installment in the National Intelligence Council’s series that provides a framework for contemplating the future. This report identifies critical trends and potential disruptions, distinguishing between megatrends—factors likely to occur under any scenario—and game-changers, which possess uncertain trajectories. As we navigate an increasingly complex world, the book emphasizes that the future is not predetermined but shaped by human agency and strategic decision-making. It encourages leaders and decision-makers to think long-term, aiming to steer society toward positive outcomes and away from negative ones, making its insights as relevant today as they were at publication.