Here’s how global GDP has changed over the past 40 years

One of the most widely used indicators of economic prosperity is gross domestic product (GDP). It measures the monetary value of all goods and services produced in a country. Since the early 1980s, the world’s population has nearly doubled (from 4.6 billion to 8 billion), while the volume of global GDP has increased nearly fourfold. But beyond this global average, how has economic output evolved in the different regions of the world? Where has the strongest growth been observed?