The global economy represents the combined economic output of all countries on Earth and is currently estimated at around $80 trillion. While globalization has made it possible for greater economic interaction between nations and rapid growth on a worldwide scale, many have argued that it has also helped to widen the gap between the richest and poorest nations. The movement of goods and services between countries also has major impacts on national politics and international diplomacy, as well as significant implications for human rights and welfare. This book gives readers an in-depth yet reader-friendly look at one of the most important aspects of modern economics. Using simple language and relevant real-world examples, this book is appropriate for high school and undergraduate economics students as well as general-interest readers curious to learn more about the global economy.