50/30/20 Rule
Also known as: 50-30-20 budget rule, 50/30/20 budgeting
The 50/30/20 rule is a budgeting framework that splits your post-tax income into 50% needs, 30% wants, and 20% savings and debt repayment.
The 50/30/20 rule was popularised by US senator Elizabeth Warren in her 2005 book All Your Worth. It's a simple, durable budgeting framework that gives every rupee of your post-tax income a purpose without requiring you to track 20 different categories.
The three buckets work as follows. Needs (50%) covers expenses you can't avoid — rent or home EMI, utilities, groceries, insurance, transport, minimum loan payments. Wants (30%) covers lifestyle choices you could cut if needed — dining out, subscriptions, shopping, travel, entertainment. Savings (20%) covers building wealth — emergency fund, SIPs, retirement, debt prepayments above the minimum.
Treat these as guidelines, not gospel. In high-cost-of-living cities or early in your career, needs may legitimately exceed 50%. In that case, the answer isn't to abandon the framework — it's to consciously squeeze the wants bucket so the savings bucket isn't sacrificed. A 60/20/20 split is far better than a 70/30/0 split.
If you're in debt, treat the 20% bucket as debt-attack money first. Once high-interest debt is gone, redirect that 20% to investments. The framework's real power is that it forces savings to be a non-negotiable line item, not a leftover.