Eleven years ago we launched the Seshat project with the goal of collecting data that would enable us to test the many theories aiming to explain the evolution of large-scale complex human societies over the past 10,000 years. We now have a bunch of papers, some already published, oth

  There is a remarkably biased and deceptive piece in Foreign Policy with a critique of Cliodynamics, among other things. The Past Doesn’t Tell Easy Stories About the West The author writes, “Peter Turchin and his collaborators have championed a new approach in which history as a disc

Graeme Wood penned a “long read” about cliodynamics, me, and the Age of Discord in which we are currently find ourselves. Graeme is a very intelligent journalist and his explanations of cliodynamics and structural-demographic mechanisms that bring about state breakdown are

As the readers of my blog know, the opinions I express here are strictly non-partisan and non-ideological. My main interest is to go where science leads. Ideological thinking is different from science in that in science data triumphs over theories. Ideologues, on the other hand, can i

In recent days there was much discussion by historians on Twitter of the proper and improper uses of historical knowledge in testing social science theories. It was initially prompted by the publication of a Science article last week on historical Church exposure and global psychologi

As the readers of this blog know, a big chunk of my research focuses on why complex societies go through cycles of alternating internally peaceful, or integrative, phases and turbulent, or disintegrative periods. In all past state-level societies, for which we have decent data, we fin

A guest post by Harvey Whitehouse and Pieter Francois This is an interesting moment in the development of history as an academic discipline. We stand on the brink of a sea change, not necessarily in the way historical evidence is gathered and documented, but in the way the resulting d

Our recent article in Nature, Complex societies precede moralizing gods throughout world history has been generally very well received, but this week we got slammed with two critical articles, both published as preprints on PsyArchive. It will take us some time to carefully evaluate t

Levels of inequality have changed dramatically during the course of human evolution: from the social hierarchies of our great ape ancestors to egalitarian small-scale societies of hunter-gatherers, and then to large-scale hierarchical societies with great inequities in the distributio

David Graeber and David Wengrow recently wrote a long piece in the New Humanist, Are we city dwellers or hunter-gatherers? New research suggests that the familiar story of early human society is wrong – and the consequences are profound. What follows is my critical review of it. The s