Over the past 123 years, Global GDP in purchasing power parity (PPP) has significantly changed. Developed economies like the United States, Japan, and European nations continue to have high GDPs (PPP). Asian countries like China and India have grown their economies quickly. China made financial changes in the late 20th century, and India made policy changes to increase their gross domestic product (GDP). GDP in Purchasing Power Parity (PPP) is a measure that adjusts a country's gross domestic pr