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According to the U.S. Census Bureau, the Kingdom of Spain is one of the biggest countries in Europe, with just over 46.5 million inhabitants. Spain is the fifth-largest Internet market in Europe, and in the top 20 worldwide. According to a Nielsen study done in June 2010, just over 29 million, or 62.6 percent of the total population, use the Internet. This is an increase from around 5.5 million users in 2000. In a typical week, 20.2 million, or 58 percent of the population, use the Internet.