No one enjoys paying income tax, as it often means saying goodbye to quite a large chunk of your pay cheque. But most countries have progressive tax systems based on what you earn: in the US tax ranges from 10% to a much higher 37% as you move up the tax scale, while across the pond in the UK the first £12,500 ($16,100) people earn remains untaxed, with earners then paying 20% tax on their pay which rises to 45% for top earners. But there are countries where employees pay a lot less into the system. Click or scroll through to take a look at these low-tax nations, ranked by their top income tax rate.