Global social inequality has declined over the past 100 years and the gap between different parts of the world, measured by average lifespan, has narrowed. The internal gap between wealthy and poor in the western world has likewise reduced, from the 1930s to the 1970s, although not in a linear way. The 1980s represented a turning point in developed countries, as the top 0.1% of income earners accumulated extraordinary riches. This new trend did not subside with the financial crisis of 2008, but expanded to less developed areas of the world; indeed, long-term significant reduction of poverty...
Global social inequality has declined over the past 100 years and the gap between different parts of the world, measured by average lifespan, has narr...
