United States
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Australia
New Zealand
IrelandThis week on the channel +182M views this week
Mark Rober's Jenga fix involves a wrist-mounted air cannon
His board-game experiment approaches 14 million views, with friction lessons and a former teacher testing the limits of preparation.
In short
On YouTube, Mark Rober has 86,100,000 subscribers and 20,179,837,511 views in all, as of November 11, 2026. In the last 7 days it gained 600,000 subscribers and 253,756,180 views. Its most watched video of the last 30 days is "I Solved Every Board Game", with 22,814,147 views. By YouTube subscribers it is No. 3 of the 5,393 channels on Trari, and No. 1 of 87 in category "Science and experiments". On Instagram, @markrober has 3,080,374 followers.
YouTube: The numbers today
subscribers
86,100,000
▲ 600,000 in the last 7 days
▲ 2,200,000 in the last 30 days
▲ 2,200,000 in the last 30 days
total views
20,179,837,511
▲ 253,756,180 in the last 7 days
▲ 793,528,519 in the last 30 days
▲ 793,528,519 in the last 30 days
views a day (current pace)
37,055,954
on a typical day: 31,108,435
Videos on the channel
276
4 uploaded in the last 30 days
Last upload
12 days ago
October 30, 2026
Views per subscriber
234
a new short video usually gets 6,138,506 views
Next milestone
100,000,000 subscribers
at the current pace: in about 190 days
Instagram: The numbers today
@markrober · The account on Instagram
Followers
3,080,374
▼ 406 since yesterday
Posts
606
1 new post in the last 7 days
Views per Reel
533,182
usually, by 14 recent Reels
Likes per post
8,571
usually, by 15 recent posts
0.28% of followers
0.28% of followers
Place on Instagram
| Among all channels on Trari | In the category Science and experiments | |
|---|---|---|
| By Instagram followers | 320 of 2,434 | 3 of 43 |
Ranked among the channels whose Instagram account is on Trari.
Instagram followers: Science and experiments
Latest posts
Tap a post to see it here
| Post | Type | Posted | Views | Likes | Comments |
|---|---|---|---|---|---|
| Beat Me, Win $100 | Reel | November 3, 2026 | 140,278 | 3,026 | 42 |
| #WBPartner Can You Scientifically Measure Fun? Watch catinthehatmovie , in… | Reel | October 21, 2026 | 114,311 | 2,676 | 105 |
| 4 Levels of Satisfying Crunches | Reel | October 9, 2026 | 218,121 | 5,019 | 91 |
| You Have Spiders on Your Face RIGHT NOW! My friends frida just released a new… | Reel | September 30, 2026 | 623,380 | 8,571 | 108 |
| I’m looking for an insanely talented, creative, YouTube-first editor that wants… | Photo | September 4, 2026 | - | 4,480 | 163 |
| Why Do People Pass Out On Roller Coasters? | Reel | September 2, 2026 | 574,045 | 23,388 | 118 |
| Why the Moon Never Changes | Reel | August 15, 2026 | 492,319 | 23,680 | 158 |
| Why the Moon Never Changes | Reel | August 15, 2026 | 728,603 | 33,371 | 544 |
Of the 15 latest posts: 14 Reels and 1 photo.
As of November 10, 2026
Follower, post, like, comment and view counts in this part are Instagram's. The changes and the "usually" figures are Trari's own calculations.
YouTube: What happened lately
November 8, 2026 3.2x the video's usual pace The Insane Science Hidden in These Toys The video ran that day at 1,050,913 views a day, 3.2 times its usual pace (324,718).
A video worth knowing
Mark Rober "solved every board game," then ambushed his old statistics teacher
Connect Four, Battleship, Jenga and Monopoly become probability lessons in a match against Mr. Malloy, the teacher who first showed him how…
This week on the channel +137M views this week
Mark Rober puts a foam-pit book break to the fun test
A Warner Bros. partnership sends him from reading to a roller coaster, with saliva samples along the way.
The video drawing the most views now
The Insane Science Hidden in These Toys
- Video published
- October 28, 2026
- Video views so far
- 6,138,506
- Video views, pace per day
- 559,588
- Views on its first day
- 838,238
Similar channels
YouTube: Position on Trari and in the category
| Among all channels on Trari | In the category Science and experiments | |
|---|---|---|
| By subscribers | 3 of 5,393 | 1 of 87 |
| By views gained this week | 10 of 5,274 | 1 of 87 |
| By views gained in the last 30 days | 14 of 5,043 | 1 of 81 |
The ranking by views counts only channels whose weekly number is available.
- The channel's share of the category
- 55.1% of all views the category's channels gained this week
- Subscriber growth this week
- 0.7% on this channel, 0.0% on the category's middle channel
Subscribers in the category Science and experiments
Views gained this week in the category Science and experiments
YouTube: Trophy cabinet
Trophies on the overall chart
1
The overall chart ranks the most watched videos of all categories together: every day, every week and every month. A trophy goes to a video that reached No. 1, 2 or 3. To the chart ›
- No. 2 · The daily chart · October 25, 2026I Solved Every Board GameThe second most watched video that day.
Medals on the category charts
14
3
4
Each category, such as music, entertainment or sports, has its own chart. A medal goes to a video that reached No. 1, 2 or 3 on it.
- No. 3 · The Science & learning daily chart - Shorts · November 7, 2026The Insane Science Hidden in These ToysThe third most watched Short in Science & learning that day.
- No. 2 · The Science & learning daily chart · November 3, 2026I Solved Every Board GameThe second most watched video in Science & learning that day.
- No. 3 · The Science & learning daily chart · November 2, 2026I Solved Every Board GameThe third most watched video in Science & learning that day.
- No. 1 · The Science & learning monthly chart · October 2026I Solved Every Board GameThe most watched video in Science & learning that month.
- No. 1 · The Science & learning weekly chart · October 25 to 31, 2026I Solved Every Board GameThe most watched video in Science & learning that week.
All 21 medals
- No. 1 · The Gaming weekly chart · October 25 to 31, 2026I Solved Every Board GameThe most watched video in Gaming that week.
- No. 1 · The Science & learning daily chart · October 30, 2026I Solved Every Board GameThe most watched video in Science & learning that day.
- No. 3 · The Gaming daily chart · October 30, 2026I Solved Every Board GameThe third most watched video in Gaming that day.
- No. 1 · The Science & learning daily chart · October 29, 2026I Solved Every Board GameThe most watched video in Science & learning that day.
- No. 1 · The Gaming daily chart · October 29, 2026I Solved Every Board GameThe most watched video in Gaming that day.
- No. 1 · The Gaming daily chart · October 28, 2026I Solved Every Board GameThe most watched video in Gaming that day.
- No. 2 · The Science & learning daily chart · October 28, 2026I Solved Every Board GameThe second most watched video in Science & learning that day.
- No. 1 · The Gaming daily chart · October 27, 2026I Solved Every Board GameThe most watched video in Gaming that day.
- No. 2 · The Science & learning daily chart · October 27, 2026I Solved Every Board GameThe second most watched video in Science & learning that day.
- No. 1 · The Gaming daily chart · October 26, 2026I Solved Every Board GameThe most watched video in Gaming that day.
- No. 1 · The Science & learning daily chart · October 26, 2026I Solved Every Board GameThe most watched video in Science & learning that day.
- No. 1 · The Gaming daily chart · October 25, 2026I Solved Every Board GameThe most watched video in Gaming that day.
- No. 1 · The Science & learning daily chart · October 25, 2026I Solved Every Board GameThe most watched video in Science & learning that day.
- No. 1 · The Science & learning daily chart · October 24, 2026I Solved Every Board GameThe most watched video in Science & learning that day.
- No. 1 · The Gaming daily chart · October 24, 2026I Solved Every Board GameThe most watched video in Gaming that day.
- No. 3 · The Science & learning monthly chart · September 2026Last Cheater Standing Wins $10,000The third most watched video in Science & learning that month.
The daily charts are counted since October 16, 2026.
YouTube: Subscribers, last 30 days
October 13, 2026: 83,900,000 subscribers → November 11, 2026: 86,100,000 subscribers
YouTube: Total views, last 30 days
October 13, 2026: 19,398,300,767 views → November 11, 2026: 20,179,837,511 views · average: 26,949,542 views a day
YouTube: The channel's latest videos
The last 15 videos uploaded to the channel, with today's numbers. Click a video to play it here.
| Video | Uploaded | Length | Views | Per day | First day | Likes | Comments |
|---|---|---|---|---|---|---|---|
 Beat Me, Win $100 | October 30, 2026 | 0:49 short | 884,029 | 8,171 | 373,261 | 16,433 | 151 |
 The Insane Science Hidden in These Toys | October 28, 2026 | 1:58 short | 6,138,506 | 559,588 | 838,238 | 57,506 | 272 |
 I Solved Every Board Game | October 24, 2026 | 28:54 | 22,814,147 | 254,071 | 5,130,943 | 240,508 | 4,159 |
 Can You Scientifically Measure Fun? | October 21, 2026 | 1:21 short | 2,263,053 | 7,617 | 389,858 | 25,203 | 284 |
 4 Levels of Satisfying Crunches | October 9, 2026 | 1:04 short | 1,169,525 | 4,454 | - | 32,553 | 584 |
 You Have Spiders on Your Face RIGHT NOW! | September 30, 2026 | 0:55 short | 3,032,634 | 20,123 | - | 42,254 | 335 |
 Last Cheater Standing Wins $10,000 | September 19, 2026 | 34:23 | 32,726,038 | 102,539 | - | 421,101 | 5,137 |
 Chivalry or Engineering? | September 18, 2026 | 0:58 short | 6,359,702 | 33,291 | - | 131,904 | 468 |
 Why Do People Pass Out On Roller Coasters? | August 28, 2026 | 0:45 short | 9,021,988 | 23,798 | - | 135,791 | 496 |
 Why the Moon Never Changes | August 14, 2026 | 1:03 short | 8,125,201 | 9,089 | - | 180,477 | 1,210 |
 $100 Slime Challenge | August 12, 2026 | 0:39 short | 8,967,865 | 8,574 | - | 109,975 | 289 |
 Lowest Heart Rate Wins! | July 30, 2026 | 0:43 short | 12,050,446 | 16,739 | - | 181,468 | 581 |
 Stop Your Car From Getting Stolen! | July 16, 2026 | 1:01 short | 1,939,255 | 1,742 | - | 44,936 | 358 |
 I Discovered a Lost Plane | July 10, 2026 | 0:52 short | 39,659,585 | 288,423 | - | 318,822 | 720 |
 How To Crush an Egg with Your Bare Hand | July 1, 2026 | 1:07 short | 3,376,639 | 6,173 | - | 86,708 | 589 |
Audience engagement
- likes per 1,000 views
- 12.8 in the category: 32.2
- comments per 1,000 views
- 0.1 in the category: 1.3
- a video's usual first day on this channel
- 495,954 views
- short vs long
- 13 short (up to 3 minutes), 2 long
average views per short video: 7,922,186
average views per long video: 27,770,092
YouTube: Most watched videos (not Shorts)
| Video | Uploaded | Length | Views |
|---|---|---|---|
 World's Largest Jello Pool- Can you swim in Jello? | May 16, 2019 | 10:28 | 223,850,776 |
 Skin a Watermelon Party Trick | August 31, 2015 | 2:52 | 155,451,221 |
 Egg Drop From Space | November 25, 2022 | 26:57 | 152,591,296 |
 Liquid Sand Hot Tub- Fluidized air bed | November 28, 2017 | 9:09 | 150,797,494 |
 Backyard Squirrel Maze 1.0- Ninja Warrior Course | May 24, 2020 | 21:40 | 147,854,257 |
YouTube: Most watched Shorts
| Video | Uploaded | Length | Views |
|---|---|---|---|
 I NEED 1 MORE SUBSCRIBER! | February 13, 2024 | 0:38 | 1,270,491,093 |
 This Slinky Can Walk Forever! | November 28, 2024 | 1:15 | 636,769,774 |
 World’s Largest Jello Pool | July 25, 2024 | 1:00 | 618,947,376 |
 3 Levels of Elephant Toothpaste | November 22, 2025 | 0:36 | 359,399,299 |
 Turning An Egg Into A Bouncy Ball | January 30, 2025 | 1:00 | 328,666,775 |
YouTube: What happened on the channel in the last 30 days
The days when the channel's numbers left the ordinary.
- Video surgingThe Insane Science Hidden in These Toys The video ran that day at 1,050,913 views a day, 3.2 times its usual pace (324,718).
- Views jumpThe whole channel ran that day at 64,842,058 views a day, 2.4 times a normal day (27,154,257).
- Video surgingThe Insane Science Hidden in These Toys The video ran that day at 968,712 views a day, 4.2 times its usual pace (231,469).
- Video surgingI Discovered a Lost Plane The video ran that day at 625,824 views a day, 3.2 times its usual pace (196,408).
- Video surgingI Discovered a Lost Plane The video ran that day at 383,597 views a day, 2.2 times its usual pace (175,609).
- Views jumpThe whole channel ran that day at 52,348,822 views a day, 2 times a normal day (25,908,437).
- Video surgingI Discovered a Lost Plane The video ran that day at 405,763 views a day, 2.5 times its usual pace (161,614).
- MilestoneCan You Scientifically Measure Fun? The video passed 1,000,000 views.
- Video surgingCan You Scientifically Measure Fun? The video ran that day at 276,963 views a day, 3 times its usual pace (92,568).
- Video surgingI Discovered a Lost Plane The video ran that day at 328,649 views a day, 2.3 times its usual pace (143,054).
- Views jumpThe whole channel ran that day at 48,361,437 views a day, 2.1 times a normal day (23,090,246).
- MilestoneThe Insane Science Hidden in These Toys The video passed 1,000,000 views.
Data source: Trari Social News, Trari Traffic Trends and Ranking Platform, Google YouTube, Meta Instagram
Subscriber, view, like and comment counts are YouTube's. Rates, usual days, rankings, comparisons and categories are Trari's own calculations.
Stories
This week on the channel +182M views this week
Mark Rober's Jenga fix involves a wrist-mounted air cannon
His board-game experiment approaches 14 million views, with friction lessons and a former teacher testing the limits of preparation.
A video worth knowing
Mark Rober "solved every board game," then ambushed his old statistics teacher
Connect Four, Battleship, Jenga and Monopoly become probability lessons in a match against Mr. Malloy, the teacher who first showed him how…
This week on the channel +137M views this week
Mark Rober puts a foam-pit book break to the fun test
A Warner Bros. partnership sends him from reading to a roller coaster, with saliva samples along the way.
This week on the channel +115M views this week
Mark Rober's satisfying crunches come with TV nostalgia
His sole new upload trades elaborate challenges for crunching sounds, while viewers spare a thought for the retro televisions.
This week on the channel
Mark Rober's 'Last Cheater Standing' carries a week without uploads
Eight days old, the $10,000 challenge is gathering views about five times faster than a summer video about a lost plane.