U.S. FDA engagement report
@FDA - 592K followers on X
Measured over 30 original posts from a 30-day window, last computed on August 26, 2026.
Engagement
A typical post picks up 63 interactions against 592K followers, an engagement rate of 0.011%. Measured over 30 original posts, its engagement rate beats 34% of 3,882 tracked accounts of a similar size, which puts it in the middle of its size range rather than at either end. Posts are seen about 14K times each, and 0.455% of those impressions turn into an interaction. That is about 2.34% of the follower count, which is the gap between an audience on paper and an audience in a timeline. Posting runs at about 1.6 posts a day over the last 30 days, with activity on roughly 67% of days. Most posts go out around 19:00 UTC, and Tuesday is the busiest day of the week. Of the 30 posts sampled, 83% carry an image or video, 7% are part of a thread and 80% link out. The account's strongest tracked post pulled 623 interactions, about 9.9x its own typical post. Recurring topics include #ai, #colorectalcancer, #fda.
Measured over 30 original posts from a 30-day window, last computed on August 26, 2026. Recurring tags: #ai, #colorectalcancer, #fda.
Compared with accounts its own size
U.S. FDA's engagement rate beats 34% of the tracked X accounts closest to it in follower count (3,882 accounts, accounts of similar size (decile 8 of 10)). A percentile is spread evenly by construction, so 50 really is the middle of that group and 90 really is its top tenth.
On engagement per impression rather than per follower it beats 32% of the same group. When those two numbers disagree, the gap is about how far its posts travel rather than how people react to them.
Where this sits in the catalog
At 0.011%, U.S. FDA sits above the 10th percentile of the 37,582 accounts in this comparison. That places it in the bottom 25% band, which runs below 0.012%.
Show the percentile table
| Percentile | Engagement rate |
|---|---|
| 10th percentile | 0.002% |
| 25th percentile | 0.012% |
| 50th percentile | 0.081% |
| 75th percentile | 0.439% |
| 90th percentile | 2.10% |
| 99th percentile | 158.1% |
This ruler is the whole measured catalog, not a size-matched group: it shows where the raw rate falls across every account we can measure, all of which are large. For a like-for-like comparison, read the size-band percentile above instead. See how the bands are built
Posting timing
This account posts most often around 19:00 UTC, and Tuesday is its busiest day of the week. The bars below are the catalog-wide pattern, with this account's own busiest slot marked. They do not show how this account performs at each hour: we keep one aggregate per account, not one per hour, so that measurement does not exist in our data.
Show engagement by hour posted, utc as a table
| Hour (UTC) | Vs author median | Posts |
|---|---|---|
| 00:00 UTC | -1% | 53K |
| 01:00 UTC | -2% | 53K |
| 02:00 UTC | -3% | 52K |
| 03:00 UTC | -4% | 55K |
| 04:00 UTC | -6% | 44K |
| 05:00 UTC | -4% | 43K |
| 06:00 UTC | -4% | 50K |
| 07:00 UTC | -5% | 54K |
| 08:00 UTC | -4% | 63K |
| 09:00 UTC | -3% | 72K |
| 10:00 UTC | -2% | 75K |
| 11:00 UTC | -3% | 81K |
| 12:00 UTC | -2% | 90K |
| 13:00 UTC | -2% | 98K |
| 14:00 UTC | -3% | 101K |
| 15:00 UTC | -2% | 105K |
| 16:00 UTC | -4% | 102K |
| 17:00 UTC | -3% | 95K |
| 18:00 UTC | -1% | 88K |
| 19:00 UTC | -2% | 83K |
| 20:00 UTC | -1% | 77K |
| 21:00 UTC | -1% | 69K |
| 22:00 UTC | -2% | 60K |
| 23:00 UTC | -2% | 53K |
Show engagement by day of week as a table
| Day | Vs author median | Posts |
|---|---|---|
| Sunday | +5% | 238K |
| Monday | 0% | 302K |
| Tuesday | -3% | 302K |
| Wednesday | -1% | 257K |
| Thursday | -2% | 250K |
| Friday | -3% | 259K |
| Saturday | +3% | 233K |
Best tweets
- Jul 31, 20269.9x their median
We're getting a new name on X! Starting Aug. 7th, we become @FDA. If you follow us now, you don't have to change a thing to keep following us. New handle, same trusted public health information.
- Aug 5, 20262.8x their median
What if getting a new therapy to patients could happen months faster? Right now, starting a clinical trial in the U.S. takes much longer than in other countries, which means patients sometimes have to travel overseas just to access investigational treatments. To address this, the FDA is piloting a new approach called the Expedited IND Program, which brings in specialized research institutions to work alongside drug developers earlier in the process. Think of it like adding an expert co-pilot to help navigate the path to clinical trials so issues get caught and resolved sooner, and promising therapies reach patients faster. Want to learn more or share your perspective? Join our free stakeholder webinar on Aug. 6 and check out our Request for Information. https://t.co/fi6WPcM40e
- Aug 19, 20262.3x their median
Today, we approved a one-time gene therapy product for treatment as an adjunct to nutritional management of patients 8 years of age and older with glycogen storage disease type Ia (GSDIa). This is the first therapy approved for this condition in patients 8 and older. https://t.co/LekXwWvpj9
- Aug 6, 20262.2x their median
Today, FDA granted approval to a genetically modified oncolytic viral therapy for adults with resistant advanced melanoma. This approval underscores FDA’s commitment to using every available regulatory tool to help bring meaningful treatment options to patients with serious diseases. https://t.co/OrrDGp3iE9
- Jul 24, 20261.8x their median
Midwest Poultry Services, L.P. is recalling certain shell eggs due to potential Salmonella contamination. The recalled eggs were produced in Texas between June 6–July 3, 2026, with sell by/best by dates of July 20–Aug. 17. Check for carton codes P-1950 or 0840962 with Julian Dates 157–184. Consumers should check their refrigerators for recalled eggs and throw them away or return to place of purchase for a refund. https://t.co/o09GBP9cwQ
- Aug 20, 20261.6x their median
FDA just released a white paper on digitally derived measures (DDMs), explaining how wearables & #AI can capture real-time, real-life health outcomes that goes beyond the clinic visit. Digital health technologies (DHTs) are expanding what we understand about a participant's health, capturing data continuously, and in the context of everyday life. Learn more: https://t.co/YftRL4mQUl
- Aug 5, 20261.6x their median
For the first time, a medicine has been approved for narcolepsy type 1 as a complete disorder — targeting the biology behind it, not just its symptoms. Narcolepsy type 1 affects ~1 in 2,000 Americans and causes debilitating symptoms that touch every part of daily life. Today's approval means patients now have a therapy that addresses the full constellation of those symptoms. This treatment received both Breakthrough Therapy Designation and Priority Review — two FDA programs designed to bring transformative medicines to patients faster. https://t.co/3SCFdLB8EP
- Aug 11, 2026
"We have the safest food supply in the world." – Acting Commissioner @FDA_KyleD on @CNBC. "Americans should feel confident in eating fresh produce including leafy greens at this point. FDA remains confident that all iceberg lettuce related to the cyclospora outbreak has been effectively removed from the market."
- Jul 27, 2026
News: Today, the FDA approved SimpleScreen™ CRC (Freenome LLC), a blood test that screens for colorectal cancer in average-risk adults aged 45 years and older, offering a new option that may help more people get screened. https://t.co/HQ8A2ExuVr #ColorectalCancer #CancerScreening #FDAApproved #PublicHealth
- Aug 21, 2026
Getting your blood drawn just got a whole lot more high-tech! The FDA has authorized the Vitestro Aletta — the first robotic device that can perform a complete blood draw without operator intervention. Learn more: https://t.co/Lm3mz5FTtX #FDA #MedicalDevices https://t.co/SBJj7LM0KB
Ranked by total interactions across everything we have tracked for this account, which is a longer history than the 30-day window the rates above use. The multiple compares each post to this account's own median.
Recurring topics
The most frequent hashtags in the sampled posts. They describe what this account writes about; they are not a performance signal, and the catalog-wide breakdown on the hub shows how little hashtag count moves.
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Reading these numbers
A typical post picks up 63 interactions against 592K followers, an engagement rate of 0.011%. Measured over 30 original posts, its engagement rate beats 34% of 3,882 tracked accounts of a similar size, which puts it in the middle of its size range rather than at either end. Posts are seen about 14K times each, and 0.455% of those impressions turn into an interaction. That is about 2.34% of the follower count, which is the gap between an audience on paper and an audience in a timeline. Posting runs at about 1.6 posts a day over the last 30 days, with activity on roughly 67% of days. Most posts go out around 19:00 UTC, and Tuesday is the busiest day of the week. Of the 30 posts sampled, 83% carry an image or video, 7% are part of a thread and 80% link out. The account's strongest tracked post pulled 623 interactions, about 9.9x its own typical post. Recurring topics include #ai, #colorectalcancer, #fda.
- What is U.S. FDA's engagement rate on X?
- U.S. FDA (@FDA) has an engagement rate of 0.011%, based on the median interactions across 30 original posts from the last 30 days against 592,442 followers. Replies, reposts and quote-posts of other people are excluded from that sample.
- Is that a good engagement rate?
- At 0.011%, U.S. FDA sits above the 10th percentile of the 37,582 accounts in this comparison. Those comparison accounts are all large ones, because our scanning cadence is weighted towards big accounts, so this is a ranking among peers of similar scale rather than a ranking across X.
- Does @FDA have real engagement?
- Its engagement rate beats 34% of the tracked X accounts closest to it in follower count (3,882 accounts), which puts it in the middle of its size range group. Ranking inside a size band matters because engagement rate falls as accounts grow, so a raw rate would mostly re-measure the follower count. It is a starting point for a look at follower quality, not a verdict on it.
- When does @FDA post?
- Most posts go out around 19:00 UTC, and Tuesday is its busiest day, at roughly 1.6 posts per day across the measured window.