William MacAskill ✓

@willmacaskill · Oxford · joined 27 Aug 2011

Consider donating 10% to effective charities: https://t.co/VMXkr4hnd7 Or a career for impact: https://t.co/AUIhrElLkr My research: https://t.co/dEcMWUnNHU

63 435Followers

1 352Following

1 329Posts total

135.6KViews on collected posts

Against accounts of the same size

4 posts from the last 90 days, next to the 10K–100K follower range. shown widely, but few of those viewers react.

Median views12 512this account980median for 10K–100K

Reach, %19.72%this account3.27%median for 10K–100K

Engagement, %0.74%this account2.01%median for 10K–100K

Metric	This account	Median for 10K–100K	Ratio
Median views per post	12 512	980	12.8×
Reach (views ÷ followers)	19.72%	3.27%	6.03×
Engagement rate	0.74%	2.01%	0.37×

Others in this range → Compare with another account → How these benchmarks are built →

Growth & engagement

How the posts we collected actually performed: views and reaction rate post by post, what the audience did with them, and where the follower count goes.

Views per post

56K15 May

665

466

28016 May

31.6K26 May

17.1K24 Jun

7.9K25 Jun

4.1K13 Jul

17.4K19 Jul

Last 9 collected posts, oldest on the left. The scale is logarithmic: one post can outrun the rest a hundred times over.

Engagement rate per post

0.58%15 May

2.86%

2.58%

2.14%16 May

0.29%26 May

0.30%24 Jun

0.81%25 Jun

0.68%13 Jul

1.51%19 Jul

Reactions — likes, reposts, replies and quotes — divided by views. Median for 10K–100K accounts is 2.01%.

What the audience does

Likes57.1%722 in total

Reposts6.3%80 in total

Replies3.2%40 in total

Quotes1.3%16 in total

Bookmarks32.2%407 in total

Share of every reaction we collected for this account. Replies mean argument, reposts mean endorsement, bookmarks mean the post was worth keeping.

The follower curve appears once this account has two daily snapshots — we take one a day, and this one is on its first.

Latest posts

"In building ever more advanced AI, we may be creating a new type of being – and this could be the most consequential thing our species has ever done. Yet we have essentially no plan for how to navigate this process ethically. That, by any reckoning, is insane." I've a new 17.4K views · 208 likes · 32 reposts · 16 replies 19 Jul 2026 · Open on X →

Incredibly compelling and well-produced video from @givingwhatwecan about the eradication of malaria. One of the best youtube videos I've seen in a long time. https://t.co/XP7zU9NU2Y 4.1K views · 23 likes · 2 reposts · 3 replies 13 Jul 2026 · Open on X →

New paper out! With @ElliottThornley: We explore the case for training AIs to be risk-averse in resources. The idea is that risk aversion acts as a failsafe against misalignment. If AIs turn out misaligned but risk-averse, then, at least before the point at which they are far 7.9K views · 52 likes · 9 reposts · 1 replies 25 Jun 2026 · Open on X →

A new report argues that training AIs to be risk-averse – to treat resources as having diminishing marginal utility – could both preserve AIs’ usefulness (if they turn out aligned) and provide an extra line of defense (if they turn out misaligned). The authors sketch out some 17.1K views · 40 likes · 9 reposts · 0 replies 24 Jun 2026 · Open on X →

So so excited for 80,000 Hours the book to be out, by my cofounder @ben_j_todd - a culmination of 15 years' work! What career you pursue is among the most important decisions in your life, and this is the best guide there is. https://t.co/3JiagzlrbT 31.6K views · 78 likes · 8 reposts · 3 replies 26 May 2026 · Open on X →

@willmacaskill Carl Shulman on 80,000 Hours is also quite competitive 280 views · 6 likes · 0 reposts · 0 replies 16 May 2026 · Open on X →

@willmacaskill Carl is *so* deserving of a second 8 hour run 466 views · 12 likes · 0 reposts · 0 replies 15 May 2026 · Open on X →

@willmacaskill Yep https://t.co/65M9cvQwtV 665 views · 16 likes · 0 reposts · 3 replies 15 May 2026 · Open on X →

Still probably the best podcast episode ever made. 56K views · 287 likes · 20 reposts · 14 replies 15 May 2026 · Open on X →