Nielsen puts Google on top with 50.8 percent of all searches in December, with Yahoo in second with 23.6 percent. Windows Live Search is a distant third with 8.4 percent, then AOL with 6.1 percent.
Hitwise puts Google at 63.1 percent for both December and January. Yahoo volume dropped slightly from 21.6 percent in December to 21.4 percent in January. MSN Search gained share slightly, from 9.5 percent in December to 9.9 percent in January. Ask volume dipped from 3.7 percent of search volume in December to 3.5 percent in January. AOL saw a modest decline, from 0.6 percent share of searches in December to 0.5 percent in January.