The following map illustrates how income inequality varies around the globe. It uses the Gini index (or coefficient), which is a statistical measure that reflects the distribution of wealth ...

By 2018, inequality was between 35.3 and 49.4 percent lower than it was in 1990. In other words, this progress has been widely shared, to the great benefit of the people at the bottom of the ...

Jess Thomson is a Newsweek Science Reporter based in London UK. Her focus is reporting on science, technology and healthcare. She has covered weird animal behavior, space news and the impacts of ...

This difference demonstrates how a simple index, no matter how useful or how widely cited it is by other experts, can fail to capture many elements of human welfare. As Ms. Follett and Mr. Geloso ...

The index measures relative gaps in international inequality across a greater number of dimensions than do those that focus on simple material well-being. These dimensions include lifespan, infa ...

To this point, it has been China doing most of the reshuffling. Between 1988 and 2018, a working-class Italian, for instance, has seen his income fall by 17 percentiles in global terms.

Finally, the index gives more weight to things that are harder to achieve — like the feat of increasing life expectancy from 70 to 80 compared to the first step of increasing it from 20 to 30.

But five years later, global inequality — measured as the difference in average incomes between countries — saw the largest annual rise in three decades, driven by the Covid-19 pandemic ...

Chelsea Follett and Vincent Geloso will discuss their work on a new, more comprehensive way of measuring global inequality, the Inequality of Human Progress Index, and their recent findings ...

Global income inequality is a pressing issue, widening the gap between rich and poor and leading to social, political, and economic instability. One of the key causes is the unequal distribution ...

Contrary to popular belief, global inequality has been declining for the past quarter-century. Since 2000, the share of post-tax and post-redistribution income held by the world's richest 1% has ...