A GMS poll on Thursday said 34% were not planning to vote or were undecided, higher than 29% who did not cast ballots in the last election.
General Raheel Sharif is nearing the end of his tenure, placing a key choice before the prime minister in appointing a successor.
Past research suggests governing parties often take a hit in mid-term regional votes before recovering in national contests.
In a humiliating defeat for Angela Merkel and her party in a state election, her pro-refugee policies may be the beginning of her end.
When a gentle glow feels like a spotlight and everyday sounds hurt your ears, life can get anxious and painful. But there may be an upside to being highly sensitive.
“We will never be able to remove these outrages committed by this country but we want to rehabilitate the victims,” Justice Minister Heiko Maas said in a statement.