The 50/30/20 rule

The rule

Of your after-tax income: 50% goes to needs (rent, groceries, utilities, transportation, minimum debt payments). 30% goes to wants (eating out, hobbies, entertainment, vacations). 20% goes to savings and extra debt repayment.

Where it came from

Senator Elizabeth Warren and her daughter Amelia Warren Tyagi popularized the rule in their 2005 book "All Your Worth." It is a deliberately simple heuristic — not a precise prescription, but a sanity check.

When it breaks

In high cost-of-living cities, rent alone can exceed 50% of take-home pay, which makes the framework hard to apply literally. The fix is to treat the numbers as direction-of-travel: are you allocating roughly half your money to essentials, a meaningful slice to enjoyment, and at least some to your future? If yes, you are on track even if the exact split is different.

In FinWise

FinWise budgeting categories support tagging spending as needs vs wants, so you can see your actual split against any framework you choose — including 50/30/20.