The Chemistry of Four: How Gender and Birth Order Shape the Destiny of Urban Indian Families By Krant Mrinal In his landmark book Outliers , Malcolm Gladwell famously illustrated how subtle demographic dividends—the month you were born, the decade your parents married, or the culture of your village—unobtrusively dictate lifelong success. Over a decade of living in a modern Bengaluru apartment complex, I began noticing a curious pattern of my own. Walking through our community, one structural reality hits you immediately: the disappearance of the joint family. Almost no households have grandparents living with them. The urban Indian middle class, hyper-aware of its financial and space constraints, has quietly settled on a formula. Hardly anyone has three children; a few have one; but the overwhelming majority choose exactly two . Out of 64 families I tracked closely in my immediate environment (and expanded to a sample size of ~50 self-made, middle-class families with ...