The world economy refers to the interconnected system of global trade and the exchange of goods and services, quantified in monetary terms. It also represents the aggregation of economic activities and metrics across individual nations. Key statistical indicators--such as employment rates, industrial output, energy consumption and transportation--are essential for analyzing the global economic framework. Important economic metrics, including gross domestic product (GDP) per capita, gross world product, world median income and inflation rates, are central to understanding global trends. The measurement of global economic activity is typically achieved by converting local currency values into a single monetary unit, adjusted for purchasing power parity. This book provides comprehensive insights into the field of world economy. It picks up individual branches and explains their need and contribution in the context of a growing economy. This book, with its detailed analysis and data, will prove immensely beneficial to professionals and students involved in this area at various levels.