Does IQ Really Affect Your Income? Let’s Talk Numbers. You’ve probably heard that hard work pays off — and it does. But there’s another silent factor that studies link directly to success: IQ. 🧠 According to research from the University of Edinburgh, every 10-point increase in IQ is associated with up to $15,000 more in lifetime earnings. Higher cognitive skills mean faster decision-making, better problem-solving, and stronger adaptability — qualities that employers highly reward. 💡 Curious wh