comScore and Nielsen have released their search market data for June 2008. comScore gives insight into month-over-month growth while Nielsen's report shows year-over-year growth. Let's look at comScore's data first. Google dropped by .3% from May 2008 to reach 61.5% of the search market for June. Yahoo gained that .3% to rise to 20.9% for June. Microsoft gained .7% to 9.2%, while Ask.com and AOL dropped .2% and .4% respectively. Here's a handy chart: 
Taking a look at the number of searches conducted, Google sites saw over 7 billion searches, Yahoo saw 2.4 billion and Microsoft saw 1 billion. Americans conducted a total of 11.5 billion searches, up 7% from may. 
Nielsen's data has Google seeing 59% of the search market, up 19% from the year before. Yahoo is at 16.6%, down 12.4% year-over-year, while Microsoft is at 14.1%, up 12.5% over June 2007. AOL was down 17% to 4.3%, and Ask.com was up 4.9% to 2.0%. 
