While petrol is pricier on average in China's special administrative region of Hong Kong, the most expensive country for the commodity is Iceland.

A combination of high costs for goods and services and surcharges that include special and general petrol taxes – not to mention a carbon levy and VAT – all serve to make fuel exceptionally pricey in the Nordic nation.

Reflecting the situation in the UK and some other nations, oil companies and fuel retailers in the country have attracted scrutiny from the Icelandic Competition Authority and the Association of Icelandic Car Owners for allegedly keeping prices artificially high.

Now discover what the average person earns in different countries around the world

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