Which country sends the most text messages?

This article suggests CHINA.

Text messaging over SMS (Short Messaging System) wireless systems is very popular in America. But one country sends more text messages than anybody else in the world: China.

"One out of every two SMS text messages sent in the world are sent in China. Typically, the cost of a text message in China costs about 10 fen (or 1 cent), so we're talking about a mountain of money. Indeed, in China mobile phone users are expected to send over 1 trillion text messages by the end of this decade. The number of mobile phone users in China has swelled to over 460 million in 2006. Currently, there are 93 million more mobile phone users in China than fixed-line phone users. To put those numbers into perspective, that is more users than all the US wireless providers combined ... 233 million mobile phone users. According to the Chinese Ministry of Information, an additional 3 to 4 million new mobile phone users are created each month."

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