A new poll finds that Democratic voters are increasingly embracing lax immigration enforcement policies, putting them in contrast with overall voters.

A Politico/Morning Consult survey released Wednesday found that 42% of Democratic voters would be more likely to support a 2020 presidential candidate who wants to abolish Immigration and Customs Enforcement (ICE). The poll also found that 40% of these same voters would be more likely to support a candidate who favors letting more immigrants into the U.S.

The findings indicate a significant leftward swing for Democratic voters since the beginning of the year.

The same poll released in January found only 25% of Democrats suggesting they would more likely back a 2020 candidate if they wanted to abolish ICE, and only 31% of them said they would more likely support someone who wanted to bring more immigrants into the country. The survey also found a shrinking percentage of Democratic voters likely supporting a candidate that expressed more hard-line immigration policies.

“I think that the crisis at the border has done a lot to show people the fundamental brutality and inhumanity of the U.S. immigration system,” Sean McElwee, a co-founder of Data for Progress, a liberal think tank, said to Morning Consult about the shift left on immigration.

Positions taken by many of the Democratic presidential candidates appear to reflect this change in their voter base.

During a June debate, all ten candidates on stage raised their hand when asked if they supported the idea of providing taxpayer-funded health care to illegal immigrants, and all but two candidates on stage raised their hand when asked if they would decriminalize illegal entry into the country.

Decriminalizing illegal immigration was not only criticized by Jeh Johnson, President Barack Obama’s former Homeland Security secretary, but it was also called a bad idea by former Democratic Senate Majority leader Harry Reid.

“That is tantamount to declaring publicly that we have open borders,” Johnson, a Democrat, said in July about border decriminalization. “That is unworkable, unwise and does not have the support of a majority of American people or the Congress, and if we had such a policy, instead of 100,000 apprehensions a month, it will be multiples of that.” (RELATED: Julian Castro Takes His Border Decriminalization Proposal A Step Further)

The Morning Consult poll did find that many nonpartisan voters are still opposed to lax immigration proposals.

Forty-nine percent of overall voters in the survey said they would be less likely to support a candidate that took an “abolish ICE” position, whereas only 25% said the opposite. At the same time, 45% of these voters said they would more likely support a candidate that took a “hard line” position against illegal immigration.

The poll, which was conducted from August 23-25, surveyed a total of 1,987 registered voters, and has a margin-of-error of two percentage points.

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