Is JD Vance right about left-wing violence?
On September the 10th 2025, right-wing political activist and media personality Charlie Kirk was assassinated while speaking at an event in Utah. In the aftermath, his friend JD Vance, the US Vice President, hosted a special memorial edition of ‘The Charlie Kirk Show’, live from the White House, during which he called for unity, but said that could only be found by “climbing the mountain of truth”.
“While our side of the aisle certainly has its crazies, it is a statistical fact that most of the lunatics in American politics today are proud members of the far left,” he said. We investigate the statistical evidence around political violence – both in people’s attitudes and the crimes themselves.
Presenter: Tim Harford
Reporter: Lizzy McNeill
Series producer: Tom Colls
Sound mix: Hal Haines
Editor: Richard Vadon
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Transcript
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Hello and thanks for downloading the More or Less podcast.
We're the program that looks at the numbers in the headlines and I'm Tim Harford.
On September the 10th, 2025 the political activist and media personality Charlie Kirk was at Utah Valley University speaking at an event for Turning Point USA.
Turning Point is a non-profit organisation founded by Kirk that aimed to get his brand of conservative right-wing politics into high schools, colleges and universities across the US.
20 minutes after the event began, Kirk was shot and killed in front of 3,000 people.
The murder and the hunt for the killer made headlines around the globe.
A suspect, Tyler Robinson, was arrested two days later after being persuaded by his father to hand himself in.
On September the 15th, Vice President J.D.
Vance, a friend of Charlie Kirk, hosted a special edition of the Charlie Kirk Show live from the White House, during which he called for unity.
But unity,
real unity, can be found only after climbing the mountain of truth.
And while our side of the aisle certainly has its crazies, it is a statistical fact that most of the lunatics in American politics today are proud members of the far left.
Is he right?
Is it really a statistical fact that most of the lunatics in American politics today are proud members of the far left?
Well, with me is Lizzie McNeill, who's been looking into the data.
Hello, Lizzie.
Hi, Tim.
Well, to know which data to look at, we're going to have to try and figure out what the vice president is referring to.
Yes, I imagine that lunatics in American politics isn't usually a data classification.
No, from the context of when he said this during a tribute episode to a man who'd just been murdered, you'd naturally assume he's talking about perpetrators of political violence.
However, it seems like he might have been referring to data from a YouGov poll, which was conducted in the days after Kirk's assassination.
24% of self-described, quote, very liberals believe it is acceptable to be happy about the death of a political opponent.
And is he correct?
Pretty much.
So 25% of people defined as very liberal in the survey said that political violence was sometimes justified, compared to 3% for people defined as very conservative.
Younger liberals were more likely to say violence was justified than older.
That said, the majority of respondents from all sides of the political spectrum were against political violence.
And how seriously should we take that finding?
I mean, it's a serious poll done by a serious polling company, so there's no reason to dismiss it.
However, as so often with polling, the context and the question does matter.
The fact that the YouGov poll was conducted in the days after Charlie Kirk's death would also affect these figures, as people who agreed with him are more likely to be turned off by violence, whereas those who were extreme in their dislike for him might feel more inclined to agree with violence.
More generally, the timing of these questions has a big effect on the answers.
For example, who's in power matters hugely.
Pollsters found that when Donald Trump was elected as president for a second term, there was a notable decrease in Republican support for political violence.
Okay, so that's the polling data.
But whichever way you cut it, the conversation spiraled into accusations of which side is more likely to commit political violence.
Yes, so on Wednesday the 17th, Donald Trump was asked about his thoughts on whether the US needed more unity, and he responded, Well, I agree with it, I agree 100%,
but most of the violence is on the left.
Okay, interesting.
Is it?
It's a hotly contested subject, and it depends what you're counting as violence and how you define right and left.
If you just look at deaths in data going back to 1975, compiled by the Cato Institute, you see that there were 3,599 deaths from politically motivated attacks in the US.
2% of these deaths were committed by people identified as being on the left, 11% by people on the right, and 87% by Islamists.
Ah, so that data includes the death toll from 9-11?
Exactly.
If you exclude 9-11, then the share of politically motivated murders by people on the left rises to 10%,
and those on the right to 63%.
Interesting, but that's going all the way back to 1975, and there is more left-wing violence in recent years.
Yes, and if you look at the more recent data in this data set since 2020, there have been 18 people murdered by people identified as being on the left, or 22%,
and 44 by people on the right, and that's 54%.
In lots of these cases, I imagine it's not easy to precisely identify politics.
There's a whole range of ideologies and of course mental health issues in many of these cases.
Absolutely.
And I actually spoke about that with Sean Westwood, an associate professor of government at Dartmouth College.
We started by looking at some of the political violence in the 60s and also the 70s where a lot of violence occurred.
Where we had organized, coordinated terrorists, bombing and assassinating folks in our country.
We had the Weather Underground, the Black Panthers.
I think that is the high point of violence in our country.
If we look at the modern era, though, it's not clear that a lot of the folks who are committing political violence have any kind of ideology.
Most of these folks are isolated on the fringes of society with incoherent ideological views.
In a famous case, the attempted assassination of President Ronald Reagan in 1981 was carried out by a man called John Hinkley Jr., who was motivated by his obsession with the actress Jodie Foster.
And he bizarrely thought that if he was successful, it would impress her.
Thankfully, President Reagan survived that.
So what about violence that didn't result in a death?
Right.
Well, here's where things get more complicated.
There is no official government definition of political violence.
The FBI does not have an official definition of political violence.
That is Robert Pape, a professor of political science at the University of Chicago.
And he collects data on a wider range of political violence.
But frustratingly, everyone in this field seems to define their terms slightly differently.
So some counts include violence during events like the Black Lives Matter movement or anti-abortion marches.
Robert also includes things like attacks on the Tesla dealerships in his count, along with threats made to congressmen.
And his trend came out like this: From the 1960s in America, political violence came mainly from the left.
From the 70s to about 2018-19, it came very heavily from the right.
And since about 2019, you could date 2021, it has been far more balanced.
When these threats turn into serious acts of violence, in many cases, the actual political motivation is incredibly unclear.
Take the examples of Paul Pelosi, the husband of the former Democrat Speaker of the House of Representatives, Josh Shapiro, another Democrat and governor of Pennsylvania, and the attempt on President Trump's life last year.
Here's Sean again.
So the gentleman who attacked Paul Pelosi was an indigent man with no motivation really beyond mental illness.
The gentleman who attacked or tried to burn down Josh Shapiro's mansion in Pennsylvania was ideologically incoherent.
The individual who tried to assassinate President Trump last year, on his phone, they found searches for RNC, DNC for prominent Democrats and prominent Republicans.
We don't know why he tried to assassinate President Trump, but it doesn't seem as if he was particularly focused on Donald Trump.
He was interested in doing something with politicians.
The problem with trying to work out whether more violence is coming from left or the right is that political violence is an incredibly ambiguous term that covers a whole host of different crimes, from public disorder to murder.
That, coupled with the fact that motive is often unclear and political ideology is cited more than actual political allegiance, makes this question a very difficult one to answer.
Thank you, Lizzy.
That is all we have time for this week.
But if you've seen a number we should take a look at, please email us on more or less at bbc.co.uk.
Until next time, goodbye.
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