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Tim Urban engagement report

@waitbutwhy - 900K followers on X

Measured over 14 original posts from a 30-day window, last computed on August 28, 2026.

Engagement

Top quarter for its size
Per follower
0.301%
of 900K followers
Per impression
1.18%
230K views on a typical post
Reach
25.5%
of its followers see a post
Typical post
2.7K
interactions (median)
Saved
0.132%
302 bookmarks on a typical post
Posting rate
1.13/day
active 57% of days
Peak time
16:00 UTC
Sunday

A typical post picks up 2.7K interactions against 900K followers, an engagement rate of 0.301%. Measured over 14 original posts, its engagement rate beats 88% of 3,862 tracked accounts of a similar size. Comparing inside a size band matters here: engagement rate falls as accounts grow, so a raw rate would mostly just re-measure the follower count. Posts are seen about 230K times each, and 1.18% of those impressions turn into an interaction. That is about 25.5% of the follower count, which is the gap between an audience on paper and an audience in a timeline. Posting runs at about 1.1 post a day over the last 30 days, with activity on roughly 57% of days. Most posts go out around 16:00 UTC, and Sunday is the busiest day of the week. Of the 14 posts sampled, 64% carry an image or video. The account's strongest tracked post pulled 110K interactions, about 41x its own typical post.

Measured over 14 original posts from a 30-day window, last computed on August 28, 2026.

Compared with accounts its own size

Tim Urban's engagement rate beats 88% of the tracked X accounts closest to it in follower count (3,862 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 55% 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 0.301%, Tim Urban sits above the 50th percentile of the 37,350 accounts in this comparison. That places it in the above the median band, which runs 0.081% to 0.437%.

p100.002%
p250.012%
p50 (median)0.081%
p750.437%
p902.10%
p99159.9%
Engagement rate as a share of followers, across the 37,350 accounts we have scanned enough to measure. The axis is logarithmic, because the top and bottom of this population are about 106,576 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 percentile0.081%
75th percentile0.437%
90th percentile2.10%
99th percentile159.9%

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 16:00 UTC, and Sunday 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: 16:00 UTC.
0003060912151821
Above the authors' own mediansBelowScale: plus or minus 6%Busiest hour: 16:00 UTC
Show engagement by hour posted, utc as a table
Engagement by hour posted, UTC
Hour (UTC)Vs author medianPosts
00:00 UTC-1%52K
01:00 UTC-2%53K
02:00 UTC-3%51K
03:00 UTC-4%55K
04:00 UTC-6%44K
05:00 UTC-4%43K
06:00 UTC-4%49K
07:00 UTC-5%53K
08:00 UTC-4%62K
09:00 UTC-3%71K
10:00 UTC-2%74K
11:00 UTC-3%80K
12:00 UTC-2%88K
13:00 UTC-2%97K
14:00 UTC-4%100K
15:00 UTC-2%103K
16:00 UTC-3%100K
17:00 UTC-3%93K
18:00 UTC-2%87K
19:00 UTC-2%82K
20:00 UTC-1%76K
21:00 UTC-1%67K
22:00 UTC-1%58K
23:00 UTC-1%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: Sunday.
SunMonTueWedThuFriSat
Above the authors' own mediansBelowScale: plus or minus 5%Busiest day: Sunday
Show engagement by day of week as a table
Engagement by day of week
DayVs author medianPosts
Sunday+5%235K
Monday0%296K
Tuesday-3%292K
Wednesday-1%254K
Thursday-2%248K
Friday-3%256K
Saturday+3%230K
See what moves engagement across the whole catalogWhat counts as a good engagement rate at this size

Best tweets

  • Aug 15, 202641x their median

    Acabo de ver el montaje de Javier Castro "Los colores del eclipse" y me parece de una brutalidad... https://t.co/Ddus1uIQ0w

    96K13K781151.1M viewsView on X
  • May 24, 202632x their median

    Engineering is magic https://t.co/anFKWe42do

    78K6.6K9613723.4M viewsView on X
  • May 1, 202652x their median

    George Washington died in 1799. The first dinosaur fossil was discovered in 1864. George Washington never knew dinosaurs existed https://t.co/xvRJTb9X30

    79K4.4K1.2K4885.5M viewsView on X
  • Aug 12, 202627x their median

    My favorite capture of the night: The moment the moon's shadow split the sunset in half, leaving a diamond ring in the sky and a breathtaking view. I call it "Shadows on the Balearic Sea". I'll have prints available for this one linked in my bio for a few days only. https://t.co/2NMxe2mlYr

    62K9.5K9444811.1M viewsView on X
  • Jun 20, 202611x their median

    Toddler amnesia is such a bummer https://t.co/J5Ts6PIEK5

    30K251105311.1M viewsView on X
  • Jun 13, 202611x their median

    Özgürlük Heykeli'nin oksidasyon süreci: https://t.co/MKwOdZOOP0

    28K1.3K2243447.8M viewsView on X
  • Jul 1, 202611x their median

    In 1825, a rich Welsh industrialist bought an entire American town to prove that socialism could work. He had the money, the buildings, the theory, and hundreds of eager followers waiting to move in. Two years later, it was over. 🧵 https://t.co/z0HqcbTQ8P

    21K6.6K7896982.7M viewsView on X
  • Aug 1, 20268.1x their median

    Visualisation of terms in geography https://t.co/sAlUIfAaL1

    19K2.8K15480794K viewsView on X
  • May 25, 202613x their median

    Area of circle https://t.co/unFukRatz5

    20K1.9K1621714.3M viewsView on X
  • Jul 25, 20267.6x their median

    Fun fact: Humans are supersensitive to the smell of rain (the substance geosmin) - the nose needs only 5 molecules per trillion. For comparison, we detect this smell 200,000 times better than a great white shark senses blood in water. Why does a human need such a powerful rain detector? What were our cave-dwelling ancestors so afraid of? What kind of creature came with the rain? Is it still here?!

    19K7436591212.4M 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 2.7K interactions against 900K followers, an engagement rate of 0.301%. Measured over 14 original posts, its engagement rate beats 88% of 3,862 tracked accounts of a similar size. Comparing inside a size band matters here: engagement rate falls as accounts grow, so a raw rate would mostly just re-measure the follower count. Posts are seen about 230K times each, and 1.18% of those impressions turn into an interaction. That is about 25.5% of the follower count, which is the gap between an audience on paper and an audience in a timeline. Posting runs at about 1.1 post a day over the last 30 days, with activity on roughly 57% of days. Most posts go out around 16:00 UTC, and Sunday is the busiest day of the week. Of the 14 posts sampled, 64% carry an image or video. The account's strongest tracked post pulled 110K interactions, about 41x its own typical post.

What is Tim Urban's engagement rate on X?
Tim Urban (@waitbutwhy) has an engagement rate of 0.301%, based on the median interactions across 14 original posts from the last 30 days against 899,816 followers. Replies, reposts and quote-posts of other people are excluded from that sample.
Is that a good engagement rate?
At 0.301%, Tim Urban sits above the 50th percentile of the 37,350 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 @waitbutwhy have real engagement?
Its engagement rate beats 88% of the tracked X accounts closest to it in follower count (3,862 accounts), which puts it in the top quarter for its size 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 @waitbutwhy post?
Most posts go out around 16:00 UTC, and Sunday is its busiest day, at roughly 1.13 posts per day across the measured window.

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