According to this World of Card Games ranking, Switzerland is the smartest country in the world based on a variety of criteria from average IQ to education levels. The U.S. also makes the top three.

The intelligence quotient, or IQ, is a measure of intelligence. An IQ test is designed to measure a person's cognitive ...

Scores above 100 suggest higher-than-average intelligence. But what does IQ truly measure, and why do some countries consistently top the list? Let’s explore the science behind this. IQ is typically ...

In this article, we will look at the 20 cities with the highest average IQ in the US and take an overview of the trends in educational attainment across the country. Trends in Educational Attainment ...

Countries that invest in education, research, and cultural learning often find themselves at the forefront of global progress. A new study by World Population Review in 2025 reveals the top 10 ...