What Is the 50/30/20 Rule?
Popularized by U.S. Senator Elizabeth Warren in her book All Your Worth (2005), the 50/30/20 rule is one of the most widely recommended budgeting frameworks. Instead of tracking every dollar in 20 categories, you split your after-tax income into just three buckets:
50%
Needs
Must-have expenses
30%
Wants
Nice-to-have spending
20%
Savings & Debt
Future you
What Goes in Each Bucket?
50% Needs
Expenses you cannot avoid:
- Rent / housing
- Groceries (basic food)
- Transportation to campus
- Utilities (power, water, internet)
- Basic phone plan
- Health / medications
- Required course materials
30% Wants
Things that improve quality of life:
- Dining out / takeout
- Coffee shops
- Streaming services
- Non-essential shopping
- Gym / fitness classes
- Games / hobbies
- Travel / weekend trips
20% Savings
Building your financial safety net:
- Emergency fund savings
- Extra debt / loan payments
- Investing (even $25/month)
- Saving for a specific goal
- Rainy day fund
Calculator
Enter your monthly income to see how the 50/30/20 split works for you.
Needs (50%)
$0.00
per month
Wants (30%)
$0.00
per month
Savings (20%)
$0.00
per month
Student Example
Maria — $1,500/month
Rent $500 + Groceries $120 + Bus pass $50 + Phone $40 + Utilities $40
Dining out $100 + Coffee $40 + Entertainment $80 + Shopping $80 + Social $100 + Gym $50
Emergency fund $150 + TFSA $100 + Vacation savings $50
When Income Is Very Low
If you earn under $800/month, your needs will likely eat more than 50%. That is normal. Adjusted ratios for tight budgets:
70%
Needs
20%
Wants
10%
Savings
The ratio matters less than the habit. Even $50/month over 8 months is $400 for emergencies.
Key Takeaways
- ✓ The 50/30/20 rule gives you a simple starting framework — 50% needs, 30% wants, 20% savings.
- ✓ Adjust the ratios to fit your reality. A 60/25/15 or 70/20/10 split is still great budgeting.
- ✓ Transfer your savings amount first, right when you get paid.
- ✓ Review your ratios every few months. Life changes, and your budget should too.