According to the latest research by Japan.Internet.com and JR Tokai Express Research, more than 65% of mobile search users in Japan are using Yahoo mobile search. It also shows that more than 35% of mobile search users are using Google mobile search function.
Yahoo is listed in Softbank’s official menu, and Google is listed in au’s official menu. More than 40% of mobile search users answered that they use what’s listed on the menu.