Britain is back in the ranking for the top 10 most expensive places in world to buy petrol, with the price per litre at 121 pence, according to Santander 1|2|3 Credit Card research. Ranked in seventh place, Santander's analysis shows in the chart below that Britons spend on average 9% of their income on petrol at £145.52 ($228.89) per month. Norway is number one in the chart after locals pay 152 pence per litre and spend on average £182.81 ($287.52) on petrol a month. However, while the price per litre in Norway is the most expensive for locals, other countries spend a much more massive portion of their monthly income on paying for fuel. The average Turk spends 39% of their income on petrol per month while Portugal spends 25%, and Greece spends 24%. Join the conversation about this story » NOW WATCH: 'The Little Prince' trailer looks better than anything Pixar has made in years