Joe Henrich

@JoHenrich · Cambridge, MA · joined 23 Jun 2015

Harvard Professor in The Dept. of Human Evolutionary Biology. Books: The Secret of Our Success & The WEIRDest People in World. Tweets r my own.

32 149Followers

573Following

5 350Posts total

39.2KViews on collected posts

Against accounts of the same size

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

Median views4 382this account1 540median for 10K–100K

Reach, %13.63%this account4.74%median for 10K–100K

Engagement, %0.80%this account1.87%median for 10K–100K

Metric	This account	Median for 10K–100K	Ratio
Median views per post	4 382	1 540	2.85×
Reach (views ÷ followers)	13.63%	4.74%	2.88×
Engagement rate	0.80%	1.87%	0.43×

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

7.4K8 Jul

4.6K20 Aug

4.2K

16.3K

3.6K

3.3K1 Sep

Last 6 collected posts, oldest on the left. The scale is logarithmic: one post can outrun the rest a hundred times over.

Engagement rate per post

0.88%8 Jul

0.15%20 Aug

0.72%

0.47%

0.96%

0.88%1 Sep

Reactions — likes, reposts, replies and quotes — divided by views. Median for 10K–100K accounts is 1.87%.

What the audience does

Likes55.8%182 in total

Reposts12.9%42 in total

Replies2.8%9 in total

Quotes2.5%8 in total

Bookmarks26.1%85 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

Hey, this is a great opportunity. Mohammad and I are working together on this so post-docs will have a chance to work between my lab at Harvard and his lab at Umass Am. @mmuthukrishna @slingerland20 @StevenHeine4 3.3K views · 18 likes · 11 reposts · 0 replies 01 Sep 2026 The idea that there’s no coercion and cultural evolutionary models is just baffling to me. All that work on punishment? That’s a kind of coercion and there models showing one person doing it, a group of people doing it a coalition doing it. 3.6K views · 31 likes · 2 reposts · 1 replies 20 Aug 2026 In terms of the imposition of norms I think Nathan must’ve missed a number of models. Boyd Richardson 1992 has a single punisher equilibrium. Boyd et al 2010 has a coalition that imposes norms. And Henrich et al 2015 shows another route through which things can be imposed. 16.3K views · 65 likes · 7 reposts · 3 replies 20 Aug 2026 The @TheEconomist is now tabloid journalism. 4.2K views · 23 likes · 3 reposts · 3 replies 20 Aug 2026 @Evolving_Moloch Power and coercion also seem neglected in Sperber's cultural epidemiology model of cultural evolution. 4.6K views · 5 likes · 0 reposts · 1 replies 20 Aug 2026 I'm hiring a postdoc in historical psychology! This project will focus on psychological change in the Middle East and North Africa, with a particular interest in Islamic history. Topical themes include religiosity, creativity, morality, and institutions. Info in the pic. http 7.4K views · 40 likes · 19 reposts · 1 replies 08 Jul 2026 In the Sunday Times, London, Matthew Syed (@matthewsyed ) interviewed me about my new book: https://t.co/Qu5x7OuihJ @whitneypeeling 0 views · 271 likes · 63 reposts · 59 replies 30 Aug 2020