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Bryan Johnson engagement report

@bryan_johnson - 2.2M followers on X

Measured over 61 original posts from a 30-day window, last computed on October 25, 2026.

Engagement

Middle of its size range
Per follower
0.11%
of 2.2M followers
Per impression
1.38%
175K views on a typical post
Reach
7.97%
of its followers see a post
Typical post
2.4K
interactions (median)
Saved
0.151%
263 bookmarks on a typical post
Posting rate
3.6/day
active 90% of days
Peak time
17:00 UTC
Wednesday

A typical post picks up 2.4K interactions against 2.2M followers, an engagement rate of 0.11%. Measured over 61 original posts, its engagement rate beats 72% of 20,444 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 175K times each, and 1.38% of those impressions turn into an interaction. That is about 7.97% 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 almost every day in the window. Most posts go out around 17:00 UTC, and Wednesday is the busiest day of the week. Of the 61 posts sampled, 49% carry an image or video and 8% are part of a thread. The account's strongest tracked post pulled 101K interactions, about 42x its own typical post.

Measured over 61 original posts from a 30-day window, last computed on October 25, 2026.

Compared with accounts its own size

Bryan Johnson's engagement rate beats 72% of the tracked X accounts closest to it in follower count (20,444 accounts, accounts of similar size (decile 10 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 56% 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 0.11%, Bryan Johnson sits above the 25th percentile of the 204,694 accounts in this comparison. That places it in the below the median band, which runs 0.024% to 0.143%.

p100.004%
p250.024%
p50 (median)0.143%
p750.677%
p902.55%
p9982.4%
Engagement rate as a share of followers, across the 204,694 accounts we have scanned enough to measure. The axis is logarithmic, because the top and bottom of this population are about 22,880 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 percentile0.004%
25th percentile0.024%
50th percentile0.143%
75th percentile0.677%
90th percentile2.55%
99th percentile82.4%

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 17:00 UTC, and Wednesday 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: 17:00 UTC.
0003060912151821
Above the authors' own mediansBelowScale: plus or minus 111%Busiest hour: 17:00 UTC
Show engagement by hour posted, utc as a table
Engagement by hour posted, UTC
Hour (UTC)Vs author medianPosts
00:00 UTC-1%89K
01:00 UTC-2%90K
02:00 UTC-3%88K
03:00 UTC-4%94K
04:00 UTC-5%76K
05:00 UTC-4%75K
06:00 UTC-5%86K
07:00 UTC-5%93K
08:00 UTC-4%108K
09:00 UTC-4%124K
10:00 UTC-3%129K
11:00 UTC-3%141K
12:00 UTC-3%154K
13:00 UTC-3%167K
14:00 UTC-4%173K
15:00 UTC-2%176K
16:00 UTC-3%171K
17:00 UTC-3%159K
18:00 UTC-2%149K
19:00 UTC-2%141K
20:00 UTC-1%131K
21:00 UTC0%116K
22:00 UTC-2%100K
23:00 UTC-1%90K
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: Wednesday.
SunMonTueWedThuFriSat
Above the authors' own mediansBelowScale: plus or minus 111%Busiest day: Wednesday
Show engagement by day of week as a table
Engagement by day of week
DayVs author medianPosts
Sunday+5%393K
Monday+1%483K
Tuesday-2%520K
Wednesday-3%472K
Thursday-2%430K
Friday-3%447K
Saturday+2%393K
See what moves engagement across the whole catalogWhat counts as a good engagement rate at this size

Formats this account uses

Its own posting mix on the left, and what each of those formats does across every account we track on the right. Only formats where the effect clears our publish test appear here, so an empty row is a format we could not measure rather than one that does nothing.

This account's posting mix compared with catalog-wide effects
FormatThis accountCatalog effect95% intervalAccounts behind it
Image or video49% of posts+111%+108% to +115%34K
Outbound link0% of posts-41%-42% to -40%32K
Typical length-+15%+14% to +16%32K
  • 49% of this account's sampled posts carry an image or video. Across the catalog, posts with an image or video run 111% above the same accounts' other posts.
  • 0% of its posts carry a link off X. Across the catalog, posts with an outbound link run 41% below the same accounts' other posts.
  • Its average post runs 541 characters, which falls in the over 280 characters band. Across the catalog, posts over 280 characters run 15% above the same accounts' other posts.

These are catalog-wide differences applied to this account's own posting mix, not a measurement of how each format performs for this account specifically. We keep one median per account, not one per format per account, so the second thing is not something this data can tell you.

Best tweets

  • Aug 15, 202642x their median

    https://t.co/Wma9jFMlaN

    95K4.7K5463634.0M viewsView on X
  • Jun 9, 202625x their median

    This is biblical. A woman in her eighties. Ten years into Alzheimer's. Hadn't spoken a full sentence in five years. Takes one, 5 gram dose of psilocybin. She slept 19 hours and woke up and spoke for hours about her life, recognized family and held real conversations. She regained bladder control after five years, walked on her own. and dressed herself. Gains held for weeks.

    75K8.6K1.3K6494.5M viewsView on X
  • Dec 11, 202415x their median

    On @netflix Jan 1 2025 is the year of don’t die https://t.co/RJosMclnJb

    31K1.8K2.2K77313M viewsView on X
  • Aug 30, 202611x their median

    Kate’s period will start any minute now…. I’ve been waiting for 34 days. This is historic; the most measured menstrual cycle in history. What we’ve measured so far: > 408 min of brain data > 10k blood glucose readings > 48,960 core body temp readings > 136 photos of her body > much more.. see below In total, 14 million data points. Full list of what we’re measuring: > core body temp via ingested pill > pain threshold > grip strength > photograph of the body > body thermal temperature > blood pressure > weighing menstrual blood > cortisol > blood glucose > DNA methylation > oral microbiome > stool microbiome > urine metabolites for hormones > stool microbiome > vaginal microbiome > cervical mucus > sleep > wearable > resting metabolic rate > metabolism. > techno-tampon, for lady boners > reaction time > skin biological age > brain with Kernel > breast measurement > urine concentration > hormone concentration > weight > nutrition proud of @_katetolo for becoming the world's most measured woman

    25K43555149012M viewsView on X
  • Oct 14, 202611x their median

    laying my entire body weight on my crocodile wife that i love https://t.co/MO8pLdFYKT

    24K1.3K57159623K viewsView on X
  • Aug 20, 202610x their median

    I got a dog. Dog owners have about a 24% lower risk of dying early. What should I do now? https://t.co/eOqo1zZowZ

    19K2774.0K4491.7M viewsView on X
  • Oct 5, 20269.0x their median

    What the FUCK is going down on Facebook marketplace 😭 https://t.co/RWt8fA1SxB

    21K5911861341.2M viewsView on X
  • Aug 6, 20268.4x their median

    I know some of you find me insufferable sorry about that

    16K1.9K1.4K5821.4M viewsView on X
  • Jul 21, 20266.9x their median

    Being mean is bad for your health. A single hostile interaction: + locks you in a cortisol penalty box for 60-90 min + suppresses recovery capacity + elevates your heart rate Kindness conserves your energy resources.

    18K1.5K5413261.0M viewsView on X
  • Jul 31, 20268.1x their median

    Kate’s period blood is in my -80 °C freezer. Around 10 mL. https://t.co/OdLxO9qyJu

    14K4653.3K1.9K8.2M 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.

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Reading these numbers

A typical post picks up 2.4K interactions against 2.2M followers, an engagement rate of 0.11%. Measured over 61 original posts, its engagement rate beats 72% of 20,444 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 175K times each, and 1.38% of those impressions turn into an interaction. That is about 7.97% 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 almost every day in the window. Most posts go out around 17:00 UTC, and Wednesday is the busiest day of the week. Of the 61 posts sampled, 49% carry an image or video and 8% are part of a thread. The account's strongest tracked post pulled 101K interactions, about 42x its own typical post.

What is Bryan Johnson's engagement rate on X?
Bryan Johnson (@bryan_johnson) has an engagement rate of 0.11%, based on the median interactions across 61 original posts from the last 30 days against 2,189,904 followers. Replies, reposts and quote-posts of other people are excluded from that sample.
Is that a good engagement rate?
At 0.11%, Bryan Johnson sits above the 25th percentile of the 204,694 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 @bryan_johnson have real engagement?
Its engagement rate beats 72% of the tracked X accounts closest to it in follower count (20,444 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 @bryan_johnson post?
Most posts go out around 17:00 UTC, and Wednesday is its busiest day, at roughly 3.6 posts per day across the measured window.

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