Today the Islamic Republic of Afghanistan collapsed. Top officials, from president Ashraf Ghani down, have run away. The army partly melted away, partly defected to Taliban. There are reports of looting in Kabul, as cops have deserted their posts. This is a classical state collapse, a

  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

Penguin Random House, which published my book War and Peace and War (henceforward, WPW) in 2005 decided that now is a good time to promote it. For a short time, the e-book version, sold on all different platforms, is priced at $1.99. If you haven’t read it, get it now while the promot

On one level, that of macrosocial dynamics, what happened yesterday, January 6, 2021, is not surprising. After all, my own model indicates that structural pressures for instability in the United States continue to build up. On a more immediate micro-level, watching hundreds of demonst

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 readers of this blog know, structural-demographic theorists distinguish between two causes of revolutions and civil wars: structural trends, which build slowly and are quite predictable, and much less predictable, or even unpredictable, triggering events. In this view, a revolution

Matt Yglesias, responding to a tweet by Noah Smith today, wrote: Seen a lot of Turchin citations lately but I think the bar for buying into cyclical views of history should be *really* high. There were other, similar comments on Twitter. I respond on my blog, because it can be hard to

Quite a number of people, here and on Twitter, asked me about how I came up with my forecast for 2020. Here’s the story. By the early 2000s I had already delved into structural-demographic theory and its implications for historical societies. These results went into Historical D

America is burning. Dozens of cities across the United States remain under curfews at a level not seen since riots following the 1968 assassination of Martin Luther King Jr. Most commentary is focusing on the immediate causes of this wave of violence that has already continued for six

After I published my last post on Coronavirus and Our Age of Discord, I’ve been looking through various lists of major epidemics in world history, both on resources such as Wikipedia and in academic articles. I know that there is a strong (although not perfect) association betwe