Donald Trump speaks at a fourth-grade level, the lowest of last 15 U.S. presidents, according to analysis

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President Donald Trump connects with the American people by using a language that even a fourth grader could understand, according to a recently published analysis by Factbase on the speech patterns of the last 15 U.S. presidents.

The analysis looked at the first 30,000 words each president spoke in office and ranked each of the presidents’ speech — going back to Herbert Hoover — using the Flesch-Kincaid grade level scale and several other tests that commonly analyze English-language difficulty levels.

Image via Factbase

Among those at the top of the list were Hoover and Jimmy Carter, who the research suggested spoke at an 11th grade level of communicating with the public. Former President Barack Obama made third place scoring a high ninth-grade level and Trump was found to have the worst ranking since Harry Truman in 1945 by scoring at a fourth-grade level.

The 45th president’s vocabulary was assessed by data gleaned from his tweets and spoken word with recent examples where the president described himself to be “like, really smart,” which has been typical of the president’s colloquial style that he has built a reputation for.

However, despite Factbase’s various calculations used in its assessment of each of the 15 president’s speaking levels, the results were the same in every test with Trump always receiving the lowest ranking.

According to the power researcher, Trump has used fewer “unique words” than any president as well as the fewest average syllables, which Obama was apparently most fluent in using.

“By every metric and methodology tested, Donald Trump’s vocabulary and grammatical structure is significantly more simple, and less diverse, than any President since Herbert Hoover, when measuring ‘off-script’ words, that is, words far less likely to have been written in advance for the speaker,” Factbase CEO Bill Frischling wrote. 

“The gap between Trump and the next closest president … is larger than any other gap using Flesch-Kincaid. Statistically speaking, there is a significant gap.”

Trump’s results in the recent analysis appear to be a step below findings obtained in March 2016 from a team at Carnegie Mellon University that analyzed the speeches of many 2016 presidential candidates and equated Trump’s grammar skills to those of a 6th grader. 

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