Billionaire's wealth has grown faster last year, and now the world can expect at least 5 trillionaires within a decade, even as the number of people in poverty has barely budged since 1990 ...

The World Economic Forum in Davos, Switzerland, is underway this week — and there are calls for taxing the extremely rich to address global inequality.

The ultra-rich pose a threat to our democratic institutions—and the problem will deepen if extreme wealth is left unchecked.

Oxfam’s ‘Million Pound Pint’ campaign aims to highlight the disparity between the super-rich and the rest of the population.