In June 2008, Google retained its lead in the U.S. search market capturing 61.5 percent of the searches conducted, down slightly from 61.8 percent in May. Google was followed by Yahoo! Sites (20.9 percent, up from 20.6 percent in May), Microsoft Sites (9.2 percent, up from 8.5 percent in May), Ask Network (4.3 percent), and AOL LLC (4.1 percent).

Heres the actual report:

According to comScore, Americans conducted 11.5 billion searches at the core search engines, representing a 7-percent increase versus May. Google Sites handled more than 7 billion core searches (up 6 percent from May), followed by Yahoo! Sites with 2.4 billion (up 9 percent), and Microsoft Sites with more than 1 billion (up 15 percent).

Heres more from comScore: In the comScore June 2008 analysis of the top properties where search activity is observed, Google Sites led with 9.6 billion searches, a 9-percent increase versus May. Yahoo! Sites ranked second with 2.6 billion searches (up 8 percent from May), followed by Microsoft Sites with 1.1 billion (up 14 percent) and AOL LLC with 792 million.

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