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The single issue most likely to get Americans to the ballot box this November is not gun violence or inflation — it’s the Supreme Court ruling that overturned Roe v Wade, new polling shows.

More than half of voters polled by The Wall Street Journal said the loss of their federal constitutional right to an abortion has made them more likely to vote in the upcoming midterm elections. The court ruling trumped inflation, border security, gun violence and the FBI search of former president Donald Trump’s home.

Of the 75 million women of reproductive age in America, nearly 30 million have limited or no access to abortion as 17 states have now banned, severely restricted or stopped abortion access since the court decision, the Guttmacher Institute estimates.

Republican pollster Tony Fabrizio, who conducted the poll with Democrat John Anzalone, told the publication that prior to the ruling, Republicans had been “cruising” while Democrats were having a hard time.

“It’s almost like the abortion issue came along and was kind of like a defibrillator to Democrats,” he said.

Fabrizio said the polling showed women in some groups, including Hispanic voters and independents, had moved toward the Democratic Party.

The number of people who said abortion should be legal in all or most cases was up five percentage points from March to 60%.

The New York Times last month reported Republican candidates are now having to acknowledge abortion access has become a central election issue, shifting their talk on abortion bans or avoiding getting into the details altogether.

Last week, Detroit News reported that a Republican nominee for Michigan’s 7th Congressional district up against a pro-choice Democrat deleted the section of his website detailing his involvement in the “pro-life” movement and commitment to “protecting the unborn”.

The WSJ poll surveyed 1313 registered voters in mid-August.