·6 min read
The 50/30/20 Rule Explained (With Examples)
The 50/30/20 rule splits your after-tax income into three buckets: 50% for needs, 30% for wants, and 20% for savings and debt repayment. It's a simple starting framework — but in high-cost cities the 'needs' half often overflows, so treat it as a guide, not a law.
How the split works
| Bucket | Share | What goes here |
|---|---|---|
| Needs | 50% | Rent, food, bills, transport, insurance |
| Wants | 30% | Eating out, hobbies, subscriptions, travel |
| Savings & debt | 20% | Emergency fund, goals, extra debt payments |
Examples by income
| Monthly income | Needs (50%) | Wants (30%) | Savings (20%) |
|---|---|---|---|
| $2,500 | $1,250 | $750 | $500 |
| $3,400 | $1,700 | $1,020 | $680 |
| $4,500 | $2,250 | $1,350 | $900 |
Why people like it
- Only three numbers to remember — easy to start.
- Builds in savings from day one instead of as an afterthought.
- Flexible: you decide what counts as a want.
Where it falls short
- In expensive cities, needs alone can exceed 50%, leaving no room for the split.
- It doesn't tell you what's safe to spend on any given day.
- It's a monthly snapshot, not a live guardrail against overspending.
A simpler live alternative: the gap method
Instead of policing three buckets, subtract your fixed costs and savings from income and spend inside what's left — your gap. Power Gap does this automatically and shows how much you have left to spend today, this week, and this month. No bank login, private by design, on your iPhone.