Remarkably, most conventional wisdom about the shifting balance of world power virtually ignores one of the most fundamental components of power: population. The studies that do consider international security and demographic trends almost unanimously focus on population growth as a liability. In contrast, the distinguished contributors to this volume--security experts from the Naval War College, the American Enterprise Institute, and other think tanks--contend that demographic decline in key world powers now poses a profound challenge to global stability.The countries at greatest risk...