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Eric Topol engagement report

@EricTopol - 821K followers on X

Measured over 75 original posts from a 30-day window, last computed on August 31, 2026.

Engagement

Middle of its size range
Per follower
0.044%
of 821K followers
Per impression
0.985%
37K views on a typical post
Reach
4.46%
of its followers see a post
Typical post
360
interactions (median)
Saved
0.304%
111 bookmarks on a typical post
Posting rate
3.63/day
active 63% of days
Peak time
15:00 UTC
Thursday

A typical post picks up 360 interactions against 821K followers, an engagement rate of 0.044%. Measured over 75 original posts, its engagement rate beats 59% of 3,791 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 37K times each, and 0.985% of those impressions turn into an interaction. That is about 4.45% of the follower count, which is the gap between an audience on paper and an audience in a timeline. Posting runs at about 3.6 posts a day over the last 30 days, with activity on roughly 63% of days. Most posts go out around 15:00 UTC, and Thursday is the busiest day of the week. Of the 75 posts sampled, 87% carry an image or video, 27% are part of a thread and 96% link out. The account's strongest tracked post pulled 2.8K interactions, about 7.7x its own typical post. Recurring topics include #esccongress, #longcovid, #medx.

Measured over 75 original posts from a 30-day window, last computed on August 31, 2026. Recurring tags: #esccongress, #longcovid, #medx.

Compared with accounts its own size

Eric Topol's engagement rate beats 59% of the tracked X accounts closest to it in follower count (3,791 accounts, accounts of similar size (decile 9 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 50% 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 0.044%, Eric Topol sits above the 25th percentile of the 36,759 accounts in this comparison. That places it in the below the median band, which runs 0.012% to 0.08%.

p100.002%
p250.012%
p50 (median)0.08%
p750.434%
p902.10%
p99160.4%
Engagement rate as a share of followers, across the 36,759 accounts we have scanned enough to measure. The axis is logarithmic, because the top and bottom of this population are about 106,964 times apart and a linear axis would flatten everything below the median into a single point.
Show the percentile table
Engagement rate percentiles
PercentileEngagement rate
10th percentile0.002%
25th percentile0.012%
50th percentile0.08%
75th percentile0.434%
90th percentile2.10%
99th percentile160.4%

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 15:00 UTC, and Thursday 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.

Engagement by hour posted, UTCTwenty-four bars, one per UTC hour. Each bar shows how posts published in that hour compare with their own authors' median engagement. Bars above the centre line ran higher than the median, bars below ran lower. A marker flags Busiest hour: 15:00 UTC.
0003060912151821
Above the authors' own mediansBelowScale: plus or minus 6%Busiest hour: 15:00 UTC
Show engagement by hour posted, utc as a table
Engagement by hour posted, UTC
Hour (UTC)Vs author medianPosts
00:00 UTC-1%51K
01:00 UTC-2%52K
02:00 UTC-3%50K
03:00 UTC-4%54K
04:00 UTC-6%43K
05:00 UTC-4%42K
06:00 UTC-4%48K
07:00 UTC-5%52K
08:00 UTC-4%61K
09:00 UTC-3%70K
10:00 UTC-2%72K
11:00 UTC-3%79K
12:00 UTC-2%87K
13:00 UTC-3%95K
14:00 UTC-4%98K
15:00 UTC-2%101K
16:00 UTC-4%99K
17:00 UTC-2%91K
18:00 UTC-1%85K
19:00 UTC-1%80K
20:00 UTC-1%75K
21:00 UTC-1%66K
22:00 UTC-2%58K
23:00 UTC-2%52K
Engagement by day of weekSeven bars, one per weekday, Sunday first. Each bar shows how posts published on that day compare with their own authors' median engagement. Bars above the centre line ran higher than the median, bars below ran lower. A marker flags Busiest day: Thursday.
SunMonTueWedThuFriSat
Above the authors' own mediansBelowScale: plus or minus 5%Busiest day: Thursday
Show engagement by day of week as a table
Engagement by day of week
DayVs author medianPosts
Sunday+4%232K
Monday0%290K
Tuesday-2%281K
Wednesday-1%252K
Thursday-2%245K
Friday-3%254K
Saturday+3%228K
See what moves engagement across the whole catalogWhat counts as a good engagement rate at this size

Best tweets

  • May 27, 20257.7x their median

    A new cover for SUPER AGERS after making the NYT bestseller list. Thanks to you for making it the #1 ranked new non-fiction book on Amazon. https://t.co/2LU5uH821R https://t.co/6H1NXNkMVN

    2.2K4823501.6M viewsView on X
  • Aug 27, 20266.1x their median

    The revolution in pancreatic cancer is not just about the new, impressive FDA approved drug or the vaccine treatment. It's also about AI detection up to 3 years before it is currently diagnosed. https://t.co/760lOqE66C

    1.7K472403993K viewsView on X
  • Aug 26, 20265.9x their median

    Beyond the established Shingles vaccine link to some protection from dementia and Alzheimer’s disease, a large natural experiment provides evidence for a small (~10%) reduction in stroke, heart failure, ischemic heart disease, and atrial fibrillation, broadening the association of benefit @NatureMedicine @MaximeTaquet and colleagues https://t.co/wGGuQNvrCn

    1.5K4973860968K viewsView on X
  • Aug 24, 20265.7x their median

    Good review on Postural Orthostatic Tachycardia Syndrome (POTS) today @JAMA_current https://t.co/FDK3rLTkwg https://t.co/jomTGvxfmj

    1.6K4372619105K viewsView on X
  • Aug 13, 20265.1x their median

    Our understanding for how our brain ages and why our memory slips after age 50 have been completely revamped through 2 new landmark studies of the microglia, the brain immune cells https://t.co/PiCjN0WLtO

    1.5K3193216157K viewsView on X
  • Aug 17, 20264.4x their median

    The cancer mortality hazard among pilots and flight attendants. An analysis of 503 occupations, including ground-based aviation workers and nuclear technologists, found that pilot and flight attendants had the highest and second highest proportion of radiation-related cancer deaths @JAMAInternalMed https://t.co/kJro7QYlzp

    1.2K2795338289K viewsView on X
  • Aug 22, 20264.1x their median

    Good, albeit simplified, graphic for how a personalized (neoantigen) cancer vaccine works to rev up the immune response and the story behind this week's Phase 3 melanoma trial, the first large RCT of a cancer treatment vaccine gift link https://t.co/6AssHsDMht https://t.co/hCNv3r0Mtv

    1.1K362242461K viewsView on X
  • Aug 18, 20263.7x their median

    Enough of the cure talk. Where are the cures for these diseases? x Alzheimer's x Parkinson's x Heart and vascular diseases x Diabetes x Hypertension x Most cancers x Multiple sclerosis x Most autoimmune diseases X Kidney diseases x Liver diseases x Lung diseases x Depression x ALS and a long list of others

    1.0K14715636131K viewsView on X
  • Aug 27, 20263.7x their median

    We've not understood why SGLT2 drugs (like empagliflozin, Jardiance) have marked protective heart benefit. Today @ScienceMagazine a mechanism unraveled for improving cardiac metabolism and fuel efficiency https://t.co/iw1ceSbUvf https://t.co/Q0asImYd1n

    1.0K276171274K viewsView on X
  • Aug 26, 20262.9x their median

    Calcium scans of the heart arteries, one of the most frequently ordered tests by primary care physicians and cardiologists, have little incremental value compared with well-established clinical risk scores. @JAMA_current “Routinely using a calcium scan in people who are at low risk may result in unnecessary radiation exposure, testing and costs with unclear clinical benefits."—@NilayShahMDMPH https://t.co/l6MwSpd0OB

    7791925028216K viewsView on X

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

#esccongress#longcovid#medx

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 360 interactions against 821K followers, an engagement rate of 0.044%. Measured over 75 original posts, its engagement rate beats 59% of 3,791 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 37K times each, and 0.985% of those impressions turn into an interaction. That is about 4.45% of the follower count, which is the gap between an audience on paper and an audience in a timeline. Posting runs at about 3.6 posts a day over the last 30 days, with activity on roughly 63% of days. Most posts go out around 15:00 UTC, and Thursday is the busiest day of the week. Of the 75 posts sampled, 87% carry an image or video, 27% are part of a thread and 96% link out. The account's strongest tracked post pulled 2.8K interactions, about 7.7x its own typical post. Recurring topics include #esccongress, #longcovid, #medx.

What is Eric Topol's engagement rate on X?
Eric Topol (@EricTopol) has an engagement rate of 0.044%, based on the median interactions across 75 original posts from the last 30 days against 820,755 followers. Replies, reposts and quote-posts of other people are excluded from that sample.
Is that a good engagement rate?
At 0.044%, Eric Topol sits above the 25th percentile of the 36,759 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 @EricTopol have real engagement?
Its engagement rate beats 59% of the tracked X accounts closest to it in follower count (3,791 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 @EricTopol post?
Most posts go out around 15:00 UTC, and Thursday is its busiest day, at roughly 3.63 posts per day across the measured window.

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