Its different for everyone but I'd say 10% minimum which is still more that the US average. This is a bit oversimplified but savings rate is the one factor to

Its different for everyone but I'd say 10% minimum which is still more that the US average. This is a bit oversimplified but savings rate is the one factor to how long it takes to become financially independent. Most people will want to enjoy life a bit but a high paying thrifty SWE could theoretically save 80% of their income and retire (or be financially independent and work on whatever they want) in about 6 years. https://www.mrmoneymustache.com/2012/01/13/the-shockingly-simple-math-behind-early-retirement/ https://www.mrmoneymustache.com/2012/01/13/the-shockingly-si...