Book excerpt: Global megatrends for the next 20 years and how they will affect the United States. This is the fifth installment in the National Intelligence Council’s series aimed at providing a framework for thinking about possible futures and their implications. The report is intended to stimulate strategic thinking about the rapid and vast geopolitical changes characterizing the world today and possible global trajectories during the next 15-20 years by identifying critical trends and potential discontinuities. The authors distinguish between megatrends, those factors that will likely occur under any scenario, and game-changers, critical variables whose trajectories are far less certain. NIC 2012-001. Appropriate for anyone, from business to banks, government to start-ups, technology to teachers and more, this publication hellps anticipate where the world will be socially, politically, technically and culturally over the next few decades. Several innovations are included in Global Trends 2030, including: a review of the four previous Global Trends reports, input from academic and other experts around the world, coverage of disruptive technologies, and a chapter on the potential trajectories for the US role in the international system and the possible the impact on future international relations.