NEW YORK, June 25 /PRNewswire/ --

- 11 million people in the UK visited social network sites in 2007

Facebook continues to trail MySpace in the US, but the online social networking site has overtaken its main rival in worldwide unique users. With almost 20 foreign-language versions of the site, starting with French, German and Spanish, Facebook has seen continuous growth throughout Europe. Now, with the new Chinese-language version, it is beginning its trajectory in Asia.

Western Europe has played a major role in the growth of online social networks. eMarketer estimates that 60.5% of the UK population, or 36.8 million people, went online at least once per month in 2007. Of those, 30% -- 11 million people -- visited social network sites at least once per month.

To view the chart, please go here:

UK Internet Users and Penetration, 2007-2012 (millions and % of population)

"The strong growth is an indicator of the level of interest consumers have in online social networks," said Debra Aho Williamson, eMarketer senior analyst specializing in social networks. Online social network ad spending in the UK and Western Europe is expected to reach 283 million pounds Sterling in 2008, rising to 804 million pounds Sterling in 2012.

To view the chart, please go here:

UK and Western Europe Online Social Network Advertising Spending, 2007-2012 (millions)

"As in the US, the demographics of UK social network users have broadened, but the youth market remains the core audience," Ms. Williamson added.

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Kris Oser, Director of Strategic Communications, +1-212-763-6033, or Samson Adepoju, Communications coordinator, +1-212-763-6044, both of eMarketer