Financial Independence, Retire Early (FIRE) is a popular finance trend among Gen Z, wherein a person aims to retire early through a program of extreme frugality and aggressive investment. According to The Wealth Company CIO (Equity) Aparna Shanker, a 25-year-old wanting to retire by age 40 and spending ₹50,000 will need a FIRE corpus of ₹4.1 crore, considering inflation.