Even though only 13 per cent of people use them.
Research from Informa says average traffic per user (ATPU) for smartphone users currently averages 85MB per month.
But it believes this could increase by 700 per cent over the next five years.
The rapid growth will be driven by the fast migration of subscribers to higher-speed mobile networks, the proliferation of flat rate data plans, and the availability of smartphones targeting different consumer groups with different lifestyles.
Western Europe ATPU will increase almost 17 times to over 736MB/month in 2015 from under 44MB/month in 2009.
However, the highest smartphone ATPU will continue to come from South Korea and Japan with respective values of 271MB/month and 199MB/month expected in 2010, which is up to three times higher than the global average.
The traffic disparity between smartphone and non-smartphone is most pronounced in North America where 86 per cent of mobile data traffic is currently generated by smartphone users, notably those using an iPhone or high-end Android devices.
iPhone will continue to lead the smartphone ATPU, with an average estimated value of 196MB/month in 2010.
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