Trump 2.0 has deleted or altered nearly 400 US datasets, endangering public health, education and more

Read the original at The Guardian ↗
Cite

Qin, A., & Pessoa, F. (2026, August 18). Trump 2.0 has deleted or altered nearly 400 US datasets, endangering public health, education and more. The Guardian. https://www.theguardian.com/us-news/ng-interactive/2026/aug/18/trump-federal-data-deleted-altered

Dated when The Aporia collected the article, usually within hours of publication. Check the original for its exact date and byline.

The Guardian · collected 2026-08-18 · by Amy Qin, Flávio Pessoa
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Quick Summary

The Trump administration has deleted or altered nearly 400 US federal datasets over the past year and a half, with at least 28 being completely deleted and 338 modified. The datasets that have been affected include those related to public health, education, and environmental issues. According to data tracker dataindex.us, about 40% of the terminated or altered datasets are related to health issues, including several Centers for Disease Control and Prevention (CDC) surveys that no longer collect information on queer and trans people. These changes have raised concerns among experts, who argue that they will hinder efforts to track emerging epidemics and identify vulnerable populations.
Written locally by qwen2.5:14b on 2026-08-18, using this article's own text rather than the other coverage of the same event (that is the story summary below).

AI analysis runs on qwen2.5:14b, locally

Story summary

The Trump administration has removed or modified nearly 400 US federal datasets, including data on law enforcement misconduct, child abuse, and air pollution, over the past year and a half. At least 28 datasets have been completely deleted, while 338 others have been altered to fit the administration's priorities. These changes are being tracked by a group called dataindex.us, which has identified hundreds of datasets that have been impacted. The affected datasets include a database of officer misconduct records, a survey measuring violence against children and youth, and real-time pollution readings from US embassies around the world. Data experts say that these deletions will make it difficult to make informed decisions on issues such as public health and education. Denice Ross, a former US chief data scientist under the Biden administration, warns that "we're at a very vulnerable point as a nation" without access to this information. The changes were made despite the importance of accurate and unbiased data for decision-making in areas like public health, education, and law enforcement.

Written for “Trump Alters Government Data” on 2026-10-16, grounded in this article and the 0 other(s) covering the same event.

Story

📰 Trump Alters Government Data
Politics · 1 article(s) covering the same event.

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How this article was measured signals, leaning charts, publisher record, byline, topics and claims

Signals How these are calculated →

Claims extracted
23
sentences that state something as happening or true
Uncertain
9%
2 of 23 hedged ("reportedly", "may", "according to")
Leaning
Leans left
of the writing, not the subject · beta estimate
Publisher signals
68/100
The Guardian's corrections and hedging, across everything collected from it. Not a measure of accuracy.
Outlets on this story
1
Politics
Same framing elsewhere
1
articles that frame the event the way this one does
Analyzed 2026-08-18 · how these are computed

How this is being covered How these are calculated →

Article leaning vs. publisher reliability
Source leaning vs. consistency

Publisher

The Guardian · 1359 article(s) · 4 correction(s) detected
Running correction rate · 4 correction(s)

Who wrote this

Amy Qin
2 article(s) here · 1 carrying a prediction
🔮 TPS for Salvadorans is set to expire in September – ending protections for 170,000 people.
🔮 “We’re facing a future where we are not going to have the information that we need to make decisions that will save lives and benefit American communities.”
Also by Amy Qin
Nothing else under this byline is closely related to this article, so these are simply their most recent.
Flávio Pessoa
1 article(s) here · 1 carrying a prediction
🔮 “We’re facing a future where we are not going to have the information that we need to make decisions that will save lives and benefit American communities.”
The only article under this byline in the corpus.

Topics

American CDC Centers for Disease Control and Prevention dataindex.us the Trump administration

Subjects

dataindex.us ORG · 4× American NORP · 1× Biden PERSON · 1× CDC ORG · 1× Centers for Disease Control and Prevention ORG · 1× Denice Ross PERSON · 1× Donald Trump’s PERSON · 1× Trump PERSON · 1× the National HIV Surveillance System ORG · 1× the Trump administration ORG · 1×

Narrative

Other deleted datasets include the US Department of Agriculture’s twice-annual survey of farm employers that counted the number of farmworkers employed and their wages that informed the minimum pay rates for H-2A visa workers and a National Center for Education Statistics (NCES) survey of the pay and working conditions of teachers and principals at public and private schools across the country.
framing: assertive · carried by 1 article(s) · first seen 2026-08-18
🔮 “We’re facing a future where we are not going to have the information that we need to make decisions that will save lives and benefit American communities.”

Claims (23 extracted, 2 hedged)

These are among the hundreds of federal datasets that the Trump administration has taken down or altered as part of its aggressive campaign to wipe all mentions of data findings that do not align with the administration’s priorities. asserted
that → take → priorities
Over the past year and a half, at least 28 federal datasets have been deleted and another 338 data collections have been modified, according to an online tracker released last week from dataindex.us, a group of data policy experts, researchers and developers that formed last year to monitor changes to government data. uncertain
that → delete → data
“We’re at a very vulnerable point as a nation,” said Denice Ross, former US chief data scientist under the Biden administration and a cofounder of dataindex.us. asserted
Ross → ’re → dataindex.us
“We’re facing a future where we are not going to have the information that we need to make decisions that will save lives and benefit American communities.” asserted
that → face → communities
The tracker includes detailed information about deleted or altered datasets from more than 60 federal agencies that span the environment, labor, law enforcement and other topics. asserted
that → include → environment
But datasets on health appear to be the most affected by the Trump administration’s crackdown, comprising about 40% of the total number of terminated or altered data collections tracked by dataindex.us. asserted
datasets → appear → dataindex.us
One of the main changes to these health datasets is that they no longer collect information on queer and trans people – as part of Donald Trump’s executive order “Defending Women from Gender Ideology Extremism and Restoring Biological Truth to the Federal Government”. asserted
they → collect → Government
Multiple Centers for Disease Control and Prevention (CDC) surveys, for example, have removed questions about respondents’ gender identity. asserted
surveys → remove → identity
These include the National HIV Surveillance System, the primary source of case data for HIV infections, the National Violent Death Reporting System, the CDC Diabetes Prevention Recognition Program, the National Intimate Partner and Sexual Violence Survey and specific surveys evaluating Prep uptake among gay men and in communities of color. asserted
These → include → color
In addition, there are at least four health datasets that are no longer being updated at all, including the Substance Abuse and Mental Health Administration’s (Samhsa) Drug Abuse Warning Network, a surveillance system that doctors and public health researchers used to track drug-related emergency room visits in near real-time to spot emerging overdose trends. asserted
doctors → be → trends
“These data are critical for identifying emerging epidemics and what parts of the population are most vulnerable to different types of health conditions,” said Thomas Babor, a professor emeritus at the University of Connecticut who specializes in public health and addiction. asserted
who → identify → health
“We need to know what direction the trend is going, whether it’s the beginning of an end; we need to learn from prior episodes of epidemics and how they were responded to and what impact the responses had,” Babor said. asserted
Babor → need → impact
“Taking down, even temporarily, some of the most important surveys that we have, especially for comparative purposes, is like we’re erasing our institutional memory for public health. asserted
we → take → health
Other deleted datasets include the US Department of Agriculture’s twice-annual survey of farm employers that counted the number of farmworkers employed and their wages that informed the minimum pay rates for H-2A visa workers and a National Center for Education Statistics (NCES) survey of the pay and working conditions of teachers and principals at public and private schools across the country. asserted
that → delete → country
Christopher Dick, a cofounder of dataindex.us and former chief of the population evaluation, analysis and projections branch at the Census Bureau said they launched the online tracker because it’s difficult to know exactly how many federal datasets have actually been deleted. asserted
datasets → say → tracker
Government agencies aren’t required to notify the public when data collections are terminated, and some datasets have simply stopped updating because of a lack of staffing while others have been quietly pulled from federal websites with little notice. asserted
others → require → notice
Some federal datasets also change or update on a regular basis, so it can be hard to figure out what is actually permanently deleted compared to a regular update. asserted
what → change → update
“The question we’re trying to answer is: are certain datasets being taken away that have an impact on the American people?” Dick said. asserted
Dick → try → people
The group identified important deleted or altered datasets through a combination of research about how the dataset was used, crowdsourcing from media reports, government employees, and people who used the datasets, monitoring social media, and tracking notices posted about proposed regulations from the Office of Information and Regulatory Affairs. asserted
who → identify → Information
The dataindex.us tracker is not a complete list, and is likely still an undercount of all the deleted or altered datasets there are, said Ross. asserted
Ross → delete → datasets
“We want people who depend on different datasets, some of which might be sort of obscure, to let us know what corners to look in because we don’t have full visibility,” Ross said. uncertain
Ross → want → visibility
The Guardian’s Deleted data series explores how critical US government information is being deleted and what the consequences will be, and will preserve or recreate lost datasets. asserted
consequences → delete → datasets
If you know about any datasets, webpages or government materials that have been deleted or altered in the past year, or are willing to share how those changes affect you, we’d love to hear from you. asserted
we → know → you
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