In comparison the UK is almost 50% cheaper than Ireland with an average cost of €34.63.
The cheapest country in the EU was Poland, where the average monthly price is €16.16.
The three cheapest countries in western Europe are Italy (€24.53), Germany (€28.96) and Denmark (€30.50).
Iran ranking as the cheapest in the world with an average of €4.58 per month, with Ukraine second (€4.69) and Russia third at €8.42.
Burkina Faso ranked as the most expensive, with an average price of a whopping €819.47 per month, with countries in sub-Saharan Africa also ranked near the top with Namibia (€374.14), Zimbabwe (€144.81), and Mali (€139.24) featuring in the top 10.