This book aims to propose a unique analytical framework to find out the general successful experience for large developing countries, which are defined with two main physical characters of large population and vast land. They are naturally crucial for the global development. Thirteen countries are chosen as large developing countries in this book, which are China, India, Russia, Brazil, Mexico, Indonesia, South Africa, Iran, Egypt, Pakistan, Nigeria, Ethiopia and Congo (DRC). On the basis of selecting massive data, the author analyzes the performance of large countries in terms of human resources, natural resources, market size and other factors. The book conducts the comparative study of large countries' latecomer strength, transformation path and innovation strategy with the perspective of development economics. It presents a comprehensive overview about large developing countries