If you feel that the world is becoming less intelligent in some way, the data from Norway, Denmark, Finland, France, Britain, and Australia agrees with you, with average IQ scores in those countries f

Research across several developed nations indicates that average IQ scores, which rose consistently throughout the 20th century, began to decline in the mid-1990s. This phenomenon, often contrasted with the 'Flynn Effect,' remains a subject of significant debate in cognitive science.