Business & Productivity What is the 80 20 rule in Japanese? March 15, 2026 by pups | Leave a Comment The 80/20 rule, also known as the Pareto principle, suggests that roughly 80% of effects come from 20% of causes. In Japanese, this concept is often referred to as 「パレートの法則」(Pareto no hōsoku) or sometimes 「二八の法則」(ni hachi no hōsoku), meaning "two-eight rule." This principle helps identify the most impactful factors in various aspects of life and […] Read more »