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Cliodynamica by Peter Turchin

npub1zx8m3wm7e5u82p3gyux48ktnegqh8zqqtux73wyz5usmmg0rxmsqccze5v@drss.io

Ancient history and today's politics through the lens of Cliodynamics ("history as science"). Recent books: End Times (2023), The Great Holocene Transformation (2025).

Artificial Scientists Are Not as Good as Human Scientists

1 Oct 2026

Especially when humans work with machines

What Came First in Human Evolution: Intelligence or Culture?

27 Sep 2026

Where Yual Noah Harari went wrong

Túpac Amaru II’s Rebellion according to Structural Demographic Theory

19 Sep 2026

Sophomore Lynnfield High School, MA, USA

More on the War over War

12 Sep 2026

The resurgence of fortified landscapes in West Africa

Cliodynamics and AI: the mid-2026 update

10 Sep 2026

And a new AI-generated compendium on the state of Cliodynamics

Eight Centuries of Wages in Britain II

6 Sep 2026

Secular Cycles of Well-Being in the Industrial Period

Eight Centuries of Wages in Britain I

30 Aug 2026

Secular Cycles of Well-Being in the Pre-Industrial Period

Human Unpredictability is Overrated

22 Aug 2026

And History Is Not “One Damn Thing After Another”

Ages of Religion

17 Aug 2026

Civilizational Transformations in Human History

Why Is College So Expensive?

10 Aug 2026

Two hundred years of Yale tuition data tell a remarkable story

“Our Honest Truth”—“Their Lying Propaganda”

2 Aug 2026

Making Sense in the Polarized World

War in Ukraine XI

25 Jul 2026

Updating the Statistical Model for Russian Casualties

War in Ukraine X

20 Jul 2026

A Data-Based Trajectory of Russian Casualties

The Structural-Demographic State of Japan III

11 Jul 2026

Well-being/Immiseration Trends

America at 250

4 Jul 2026

A Survey of American History from the Cliodynamic Point of View

AC for Me, Not for Thee

30 Jun 2026

Rank and Privilege

India's Youth Bulge

25 Jun 2026

Demographic Dynamics of India Compared to China

Does China Covet Siberia?

19 Jun 2026

Not really

The Future Has Arrived

14 Jun 2026

How Ginkgo Bioworks Has Turned Science Fiction into Science Reality

The Structural-Demographic State of America VI

7 Jun 2026

The Newest Data on Well-Being/Immiseration

The Energy Shock of the 14th Century

5 Jun 2026

The Great Famine of 1315-17

The Oil Shock's Consequences: Resilience or Collapse?

1 Jun 2026

Comparing China and Europe

The Silver Lining of the Baby Bust

29 May 2026

China's Collapse Is Not Imminent

Well-being and Immiseration in Contemporary China

24 May 2026

Structural-Demographic Analysis

My Blog Has Moved to Substack

19 Apr 2025

As I wrote at the beginning of 2025, the previous year turned out to be quite a challenge. It took me a while to recover and, then, to deal with the “stuff” that accumulated while I was

My 2024

1 Jan 2025

The year that has just ended was personally very difficult for me. First, in April my wife developed a very serious medical condition—it was really touch-and-go, and she ended up spending ten days

War in Ukraine VI: Adding Economic Power to the Attrition Model

10 Dec 2023

In the previous post of the series, I promised to show how both the Economic Power and Casualties Rates hypotheses can be combined within the same computational model. Yesterday, the SocArxiv finally

War in Ukraine V: Alternative Hypotheses

9 Dec 2023

One thing I realized since I posted my blog series on the War in Ukraine (last one here) in July is that previously I explicitly addressed only one hypothesis (which predicts a win for Russia). But

When A.I. Comes for the Elites

20 Nov 2023

The remarkable success of ChatGPT and other generative A.I. has inflamed the already roiling debate about how the rise of machines will affect workers, and ultimately shape our societies. Doomers

Fall 2023: An Update

5 Nov 2023

The last update on “What I am working on” was posted a year ago,  and it is high time to do another. Last year was very intense. It started with preparing for the publication of my trade book,

My African Vacation

10 Sep 2023

I went to Africa for the first time more than 30 years ago, and I was immediately hooked. Now I try to get there every year for a mind-clearing vacation — no work, just enjoying the countryside and

War in Ukraine IV: Projections

22 Jul 2023

In this installment I will use the ideas discussed in previous posts to make projections. A projection is different from a forecast (and, certainly, from a prophecy) in that it is not an attempt to

War in Ukraine III: an Interim Assessment

19 Jul 2023

Sixteen months into the war the final outcome of this conflict is still uncertain. Public statements from both sides continue to express unbounded confidence in their eventual victory (see, for

War in Ukraine II: The Model

15 Jul 2023

The first part of this series gave an introduction to the Osipov-Lanchester (OL) model and illustrated the ideas with the example of the American Civil War. In this second part, my aim to extract a