According to January 2012, comScore analysis of the U.S. search marketplace, Bing at number two position captured 15.2 percent of search queries conducted in January in U.S. (up 0.1 percentage points).
Google led the explicit core search market with 66.2 percent of search queries (up 0.3 percentage points).
At number three Yahoo! captured 14.1 percent. Ask Network accounted 3.0 percent of explicit core searches, followed by AOL's 1.6 percent.
In January, 68.4 percent of searches carried organic search results from Google (vs. 68.1 percent in December) while 26.5 percent of searches were powered by Bing (no change vs. December).
Out of 17.8 billion explicit core searches conducted in January, Google accounted 11.8 billion, making it #1, followed by Microsoft Bing which ranked second with 2.7 billion searches.
Yahoo! with 2.5 billion was at number three postition, followed by Ask with 527 million and AOL with 277 million.
Google also accounted 66.2 percent of total core search queries conducted (up 0.1 percentage points), followed by Yahoo! with 16.0 percent.
Bing accounted 13.8 percent if total search queries.
Ask comprised 2.6 percent of total search queries, followed by AOL with 1.4 percent.
Americans conducted nearly 20 billion total core search queries in January. Google ranked first with 13.2 billion searches, followed by Yahoo! Sites with 3.2 billion and Microsoft Sites with 2.8 billion.