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Apple's brand value jumped 84% to $153.3 billion, driven largely by the company's success with theiPad andiPhone 4, the study found. Google's brand declined 2% to $111.5 billion. IBM, McDonald's and Microsoft rounded out the top five.

With a 246% increase in brand value to $19.1 billion -- the greatest leap of any company in the survey -- Facebook made its debut on the top 100 chart at number 35. Baidu, the leading search engine in China, was the second-fastest climber at 141%, placing it at number 29.

Other notable findings: Amazon (14) overtook Walmart (15) to become the most valuable retail brand in the world at $37.6 billion; Toyota once again became the most valuable car brand; and 12 of the top 100 brands in 2010 came from China.

Brands' values were determined by a mix of factors, including future earnings (discounted to their present-day values) and in-depth consumer surveys, Millward Brown says. For further information, see the fullreport.

The 50 Most Valuable Brands

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