Polls suggest that the LDP may win double their existing seats in tomorrows upper house election which would give it a majority

"Opinion polls suggest the LDP will win as many as twice the 34 seats it now holds in the 121 seats up for grabs, which will give it a majority in the upper house even without it's coalition partner"

Source: Japan poll key to reforms

By Greg Earl

Australian Financial Review

Thursday July 18th 2013, page 17