The report also found that the world's 85 richest people own the same amount as the bottom half of the entire global population.
The ramifications of such inequality may be dire, the report suggests:
This massive concentration of economic resources in the hands of fewer people presents a significant threat to inclusive political and economic systems. Instead of moving forward together, people are increasingly separated by economic and political power, inevitably heightening social tensions and increasing the risk of societal breakdown.
Oxfam calls on leaders gathered at the 2014 World Economic Forum in Davos, Switzerland, to tackle the growing inequality through multiple pledges, such as insisting on a living wage for companies they control, and by supporting progressive taxation.