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Can Benford's Law prove there was election fraud? Let’s take a look at how the mathematical law works.

What is Benford’s law and how does it relate to the 2020 election?

The election has gotten everyone and their mother into a tizzy. Whether it’s because you’re thrilled with the projected results or it’s because you’re disappointed, everyone is feeling pretty strongly about the whole situation. 

The Biden campaign has already begun to work toward a transition of power in the anticipation of the announcement he will be the 46th president in January, and the Trump admin is in a frenzy trying to sue various states in the hopes of altering the outcome.

It’s stressful for everyone right now, no matter which candidate you were rooting for. The internet loves a good conspiracy theory and many have latched onto the idea that the election this year was filled with fraud – though every claim has consistently been disproven, leaving those with this claim without any proof whatsoever.

However, a new claim is being used to “prove” there was fraud – a mathematical law called Benford’s Law. Let’s take a look at what the law says, how it’s being applied to the election results, and what it means for this mess.

Benford’s Law explained

Math is scary for most people – we get that – so here’s the simplest explanation we can muster. Benford’s Law states that in naturally occurring numbers of a sufficient size (so anything from the population in a city to how many blades of grass in a person’s yard) the first digit of that number (the leftmost digit) is statistically more likely to be a lower number. For example, the digit 1 has a 30% chance of being the first digit in a number.

This means that the likelihood of a number such as 8 or 9 being the starting digit in a number is less likely, statistically speaking. In fact, 9 only has about a 5% chance of being a starting digit.

One might easily assume each digit has an equal chance at “randomly” being the first digit, but this isn’t the case. These aren’t randomly generated numbers, they’re the counts of things, and when you count you start with lower numbers and work your way up – however when you run out of things to count, then you stop, so it stands to reason that you may not make it to 9,000 as often as you do 1,000.

Applying Benford’s Law to elections

2020 isn’t the first year Benford’s Law has been talked about. The idea of using Benford’s Law to detect potential fraud isn’t a new concept. However, Theodore P. Hill, a retired professor from Georgia Tech cautioned that it isn’t proof of anything.

At best Benford’s Law can be used to detect the possibility of fraudulence, and in fact, the IRS has done this many times before. However, it’s merely a reason to investigate numbers, and find proof. A violation of Benford’s Law isn’t proof itself – in the end it’s just a statistical rule and sometimes statistically unlikely things happen.

Benford’s Law also is incapable of detecting certain kinds of fraud, so while it can be a litmus test it is extremely far from infallible.

Benford’s Law and 2020

Some people have run with the concept of Benford’s Law recently and have made claims that deviation from the law is impossible – it isn’t. Others have also said it’s clear proof something shady happened – again, it isn’t.

Others, including Doctor Jen Golbeck, a professor at the University of Maryland, and an actual expert on Benford’s Law with published work on the subject, says that Benford’s Law is actually completely useless in detecting election fraud – though it can be useful for many other things.

Here’s one of the important things she says, “First, there’s not a big spread of orders of magnitude in precinct sizes. Most places Benford is applied, you have numbers in the 10s, the 100s, the 1,000s, the 10,000s, etc. Precincts don’t have that much variation in them because we don’t want them to be so giant that we can’t count all the votes. That’s one strike against Benford working.”

She then goes on to say that if Trump’s numbers follow Benford’s Law then Biden can’t follow it. Third party candidates get so few votes that in this case they’re pretty negligible, so the votes are essentially being split between both Trump & Biden. She creates an example with the idea that each precinct has 1,000 votes, just for the sake of simplicity.

Golbeck says, “If ~30% of Trump’s vote counts start with a 1, and Biden gets the rest, his numbers would start with 8s or 9s (e.g. Trump gets 175 votes, Biden gets 1000–175=825). Even though precincts aren’t all the same size, the fact that one number is dependent on the other violates the basis of Benford (it requires independence).”

Proof of nothing

In the end Benford’s Law, while an interesting statistical concept, isn’t proof of anything in regard to 2020 election fraud. And, according to Golbeck’s example, the supposedly strange numbers being touted by certain people actually seem to corroborate that the numbers make perfect sense.

Plus, the graphic in the tweet above – the one everyone seems to keep sharing – is missing a lot of information. For example, the frequency bar doesn’t say what’s being counted. The frequency of what? That bar could be the number of Biden votes per city block or it could be the number of Biden votes per random pile of ballots for all we know. Same goes for all the other graphs.

So, now you’ve learned some math today, and how & when to apply Benford’s Law. For more reading the Jen Golbeck tweet above is the first in an entire thread she wrote on the subject.

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Comments
  • If you throw out the precincts that are fewer than 100 voters, you count up the number of total votes for both candidates… that should satisfy the requirement for Benford’s Law. If it doesn’t… why doesn’t it? thx

    November 12, 2020
  • Who is this self-proclaimed expert on Benford’s Law? Nominated her queen poonahnee of this mathematical tool? I’ve been using Benford’s Law for decades before she was born. She needs to rethink her high ranking knowledge. She is SO wrong with her claims.

    Bless her heart, she’s so homely looking, maybe if she’d back away from the abacus, get a make-over, get laid, she might be able to spew truths.

    November 18, 2020
  • In other words, this authors’ version of mathematical law has no application to the real world of registered voters, the deceased or any other impeding global impact that compromises a justified election. Bah ha ha ha!!!
    Judging by her youth, her lack of know know of what a inter-global social world really looks like is largely working against her.

    November 20, 2020
  • Benford’s Law doesen’t prove anything but it can show where fraud is suspected. That’s where you start investigating what is suspect.

    December 2, 2020

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