> The USA has only about 5% of the world's people, but nearly 30% of the world's billionaires Seeing that the US is nearly a quarter of the global economy, nea

> The USA has only about 5% of the world's people, but nearly 30% of the world's billionaires Seeing that the US is nearly a quarter of the global economy, nearly 30% of world's billionaires does not sound unreasonable.