‘Ikigai’ literally means ‘a reason for being’. The book promises to unravel the Japanese secret to happiness and longevity. The life expectancy of Japanese people is the highest in the world. In 2019, there were over 71, 000 centenarians living in Japan! And, it isn’t just the longer life; longevity is paired with health and happiness. The older people in Japan are healthy, not dependent on others in their daily routine, and are active.