Tribune staff report | Google is the world’s most valuable brand this year, according to a study released by research firm Millward Brown Optimor. The firm’s fifth-annual BrandZ survey ranked 100 brands worldwide, based on consumer opinions and market data, and translated them into a dollar value. McDonald’s ranked No. 6, dropping 1 percent in value.

When most key financial indicators plummeted, the value of the top 100 brands rose by 4 percent in the last year to more than $2 trillion. Here are the top 10 global brands, their assigned worth and the change in value during the last year. See a PDF of the full list of 100.

Get the full story: Google tops list of world’s biggest brands.