evidence: The world's wealthiest people aren't known for travelling by bus, but if they fancied a change of scene then the richest 85 people on the globe – who between them control as much wealth as the poorest half of the global population put together – could squeeze onto a single double-decker. [...] The wealth of the 1% richest people in the world amounts to $110tn (£60.88tn), or 65 times as much as the poorest half of the world, added the development charity, which fears this concentration of economic resources is threatening political stability and driving up social tensions.