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TrumpLexicon: Is Trump changing?

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I created TrumpLexicon when I wanted to know if Trump’s language was changing over time, like a dementia patient’s language might. And was all this talk about men’s asses related to any other trend. (If you’re reading this after 2026 that might sound odd, but there was a LOT of talk of how attractive Trump found other men’s butts in 2026-10.)

Weekly line chart of how often he said “ass” in 2026: zero to two a week until October, then rising to 15 in the week of October 26
Weekly uses of “ass” in 2026, through November 1: rarely more than one a week until October, then up to 15 a week by the end of the month.

Nothing Trump posts to his Truth Social blog is included. Nothing Trump writes is included. No scripted remarks are included. Just what Trump says is being indexed. (The White House stopped posting written transcripts in 2025.)

TrumpLexicon totals: 5,413 transcripts, 17M words spoken, 46.1K distinct words, coverage 2015–2026
The index as of November 5, 2026: 17 million of his own spoken words from 5,413 transcripts.

Most transcripts come from Roll Call’s Factba.se, which publishes nearly everything he says on camera. Two official sources fill in around it: the government’s Daily Compilation of Presidential Documents (via GovInfo), and the American Presidency Project at UC Santa Barbara. Some sources respond poorly to requests from cloud servers. So there’s an unlisted page that lets my own computer fetch pages through a small Chrome extension and hand them to the server.

A Cloudflare Worker scrapes and serves. D1 database holds counts. R2 stores raw pages. Every quote on the site links back to its transcript and, where there’s video, to the moment in it. The same speech often appears in multiple sources. Each appearance is counted once, from the source that best captures his words, and the others are kept and marked as duplicates. Everything on TrumpLexicon ends yesterday as any partial day looks like a downward trend.

Adjustable date ranges. Heat maps. New words. Nicknames. Insults. Topic trends. Anything can be hovered over for more insight.

Analysis includes readability (Flesch-Kincaid grade level, Gunning fog, SMOG). Vocabulary variety, repetition, superlatives. Sentiment measured using VADER. Comparison with other presidents back to Carter.

Monthly Flesch-Kincaid grade level of his speech, 2015 to 2026, mostly between 4 and 5
Grade level by month, 2015–2026. Apart from a 2017 rise toward 6 and a few one-month spikes, it stays between about 4 and 5.
Bar chart of spoken grade level by president: Carter 10.1, Reagan 8.8, Bush 8.7, Clinton 9.1, Bush 7.7, Obama 8.3, Trump first term 4.3, Biden 6.5, Trump second term 4.5
Every president since Carter, measured the same way from official transcripts. Trump’s two terms score 4.3 and 4.5; the rest range from 6.5 (Biden) to 10.1 (Carter).

Given the 2026-10 talk about men’s behinds, I also included context trends. This is because ass-talk used to be about firing, kicking, saving or suing before 2026-10’s admiring.

Table of phrases built on “ass” with yearly sparklines: working my ass 39 uses, kiss my ass 20, ass kicked 19, kicking their ass 18, kicking ass 14, looked at his ass 9
Every phrase he builds on “ass”, 2015–2026. Each line is that phrase’s share of his uses per year; “looked at his ass” sits at zero until its 2026 jump.

A related tool counts how often two words share a sentence. On a year and a half of data, “beautiful” shared a sentence with “Melania” about 10 times out of ~4,000 uses, far less often than with “bill”, “coal” or “ballroom”.

What he calls beautiful since January 20, 2025: bill 355, coal 106, place 88, woman 68, word 58, ballroom 54, wife 51
What he calls “beautiful” in his second term (January 20, 2025 – November 5, 2026): the bill 355 times, coal 106, the ballroom 54, his wife 51.
“Beautiful” with “Melania” in the same sentence: 10 uses, with three example quotes
“Beautiful” and “Melania” in the same sentence: 10 of 4,227 uses. In two of these three, the beautiful one is Windsor Castle and then Princess Katherine.

Let me know if you can extract any meaningful insights. My own learning was that many of my Trump-is-going-senile assumptions couldn’t be backed up by data. He has some downward dementia seeming trends but they’ve always bounced back. At least that’s what it looks like as of today.

Monthly vocabulary variety, 2015 to 2026: dips in 2016, 2021 and late 2022, each returning to about 65
Vocabulary variety (distinct words per 100 in a row) by month. The dips in 2016, 2021 and late 2022 each recover to about 65. On the Analysis page, pick “Vocabulary variety” under Show.