
Ross McKitrick
2.1K posts

Ross McKitrick
@RossMcKitrick
Professor of Economics at the University of Guelph








“None of the current politicians will be around to have to answer for the failure.” Adam Creighton joins Professor Ross McKitrick, co-author of the Trump administration’s report into climate catastrophism, to discuss the cost of policies that will never deliver net zero. 📺 Full discussion: bit.ly/4ruLLDG






This is the population pyramid of our entire planet. It's basically a bar chart showing a population's age distribution, with males on one side, females on the other, and age groups stacked vertically. It's shape reveals a lot about a population, especially when compared to graphs from decades earlier. The world's 2025 population pyramid shows a transitional shape. It's shifting from the expansive triangle of past decades to a more columnar form. It's a broad base of youthful cohorts (driven by higher births in developing regions), a bulging working-age middle, and a widening elderly top from longer life expectancies. This reflects ongoing growth (8.3 billion people, or 0.85% annually) but signals slower momentum ahead, an aging planet (median age now 31), and future challenges in workforce support and elder care. 1/








