Business & Productivity What is the 80 20 rule in Japanese? February 5, 2026 by Tanp | Leave a Comment The 80/20 rule, also known as the Pareto Principle, is a concept that suggests 80% of outcomes result from 20% of causes. In a Japanese context, this principle is often applied to business efficiency, productivity, and personal effectiveness. Understanding this rule can help optimize efforts in various aspects of life and work. How Does the […] Read more ยป