Retirement planning: How to calculate retirement corpus

The sooner you want to retire, the longer will be your post retirement life. As a result, on one hand, you will have to arrange a bigger retirement corpus for a longer retired life, and on the other hand you will have lesser time to save the required amount.

from Wealth-Economic Times https://economictimes.indiatimes.com/wealth/plan/retirement-planning-how-to-calculate-retirement-corpus/articleshow/81466302.cms