According to monthly search market data published by comScore qSearch, Bing's share of search market in May 2012 in America remained at a steady level with 15.4%, compared to April 2012 which was at 15.4% share.
Yahoo’s share of search market in May dropped to 13.4% share, compared to April which was at 13.5% share (or, a drop of 0.1%).
The Search Alliance Bing and Yahoo combined a total of 28.8% share in May, compared to April’s share of 28.9% share.
Google’s share of search market increased slightly to 66.7% in May, compared to April which was at 66.5% share (or, an increase of 0.2%).
Data source: comScore