Are the rich getting richer? Take our quiz on inequality and incomes.

Issei Kato/Reuters
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The income gap between rich and poor has widened in the United States and in many other advanced economies since the 1970s. The trend makes this a hot political topic at a time when middle-class families feel they are struggling to get ahead, and as some wonder whether inequality is harming economic growth. This quiz tests how big (or narrow!) your own "gap" is when it comes to knowing the economics and politics of income disparities from the French Revolution to the Great Recession.

1. The 3.6 billion people who are the world’s poorest have collective net worth equal to how many of the world’s richest people?

The richest 30,000 people


The richest 12,000 people


The richest 150 people


The richest eight people

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