In 2013, Germany and France will lead in terms of the number of flat-rate monthly pay mobile Internet subscribers, according to Jupiter Research Mobile Forecast, SFN's Winning Mobile Strategies reported.

Germany and France will each have 11.7 million users, followed by the UK's 11.4 million. Italy and Spain come next with 8.2 million and eight million subscribers, respectively.

In terms of percentage of mobile population, Scandinavian countries outperform others - Norway and Finland with 30 percent, while Denmark and Sweden with 28 and 27 percent, respectively, according to Jupiter Research Mobile Forecast.

Those which lag behind the overall European average, which is 21 percent, include Greece, Portugal, Belgium, Italy, Germany, Switzerland and Ireland, according to the report, Winning Mobile Strategies, released by SFN and the World Association of Newspapers and News Publishers.