Around the world, governments and researchers are experimenting with the introduction of universal basic income. From Finland and Spain to India, the idea of giving every citizen – whether working or not – a set amount of money per month is gaining momentum. It’s claimed to be a fairer and more efficient way of running a welfare system, but we’re only just starting to understand what actually happens when you introduce a basic income for everyone. We look at the evidence and try to establish whether it is an idea whose time has come. Presenter: Mukul Devichand Producer: Jo Mathys Image: An Indian man counts currency / Credit: Sajjad Hussain / AFP / Getty Images