What is more, they have been growing ever larger, not unlike the Clinton-Gore edge in the July polls.
It was a sharp drop from a July poll that showed 72 percent in support, but the figures nevertheless worry opponents.
A July 2010 poll showed Reid leading Angle by seven points.
The 29 July polls were won by the Communist Party with 44.7% of the vote.
And a July poll measuring Americans' confidence in the future strength of the economy showed growing doubts.
In a July 2006 poll, 51 percent of respondents backed renewal, while 39 percent opposed it.
At the July 29 polls the Communist Party received 44.7% of the vote.
Mr Gruevski was first asked to form a government after the July 2006 poll, and his party won elections in 2008.
The West Australian newspaper's July poll recorded 9,681 votes for retention and 1345 against.
A July poll in the same newspaper reported that Rishworth was ahead 57% to 43%.