http://www.independent.co.uk/news/world/americas/venezuela-is-cheapest-place-in-the-world-to-buy-petrolat-8p-a-litre--compared-to-135p-a-litre-in-the-uk-8069667.htmlVenezuela is cheapest place in the world to buy petrol at 8p a litre – compared to 135p a litre in the UKQatar residents spend just 0.4 per cent of their disposable income on petrol, followed by Saudi Arabia at 0.98 per cent, Kuwait at 1.2 per cent and Bahrain at 1.81 per cent.Thanks to a fairly low average monthly post-tax income of £354.48, the average Venezuelan pays 2.73 per cent of their wages on petrol, putting them in fifth place on the list.