Our big project was finally published: Van Pelt, D., & Kirkegaard, E. O. (2026). Big Data, Deep Roots: Correlating Surname Genetic Ancestry and Socioeconomic Status across Millions of Americans. Comparative…
You may have seen a plot like this one: The reader is left to interpret that guns cause homicides. It's correct if we include suicides but it's not true for…
So our new meta-analysis of the American race gaps in IQ is published! Kirkegaard, E. & Jensen, S. (2025). Meta-Analysis of American Race Differences in Intelligence. Mankind Quarterly, 66(2), 290-300.…
I am not particularly interested in sports unless it involves statistics. Recently, a major topic on X is posting about this or that US winner. Stuff like this: So let's…
The American National Election Studies (ANES) is a series of surveys that has been administered to broadly representative samples of Americans since 1948. They asked thousands of questions, though most…
Western countries are experimenting with solutions to their population aging problem. For instance, one of the countries with the worst age pyramids is Germany: Since the welfare state is effectively…
Economists are fond of talking about the specialness of the United Kingdom back when it kicked off the industrial revolution. Similarly, USA is doing remarkably well by some metrics compared…
I've previously written about scientific misconduct by country, but what about good conduct, that is, (good) science? There are various ways to count this. The simplest is to count the…
David Friedman, a self-described "anarchist-anachronist-economist" and author of The Machinery of Freedom: Guide to a Radical Capitalism (on my to-read list) has written a criticism of the hereditarian position on…
Men constitute the vast majority of the fighting power of a country. When women make inroads by political forcing, the results are often comical or disturbing, depending on your level…