70/20/10 Budget: Why Combining Needs & Wants Could Backfire

The latest budgeting method to go viral on TikTok is the 70/20/10 budget. But before you try it out, know how it works and be clear on how it compares with other budget strategies, such as the 50/30/20 and 60/30/10.

In this percentage-based budget, your take-home pay (money you receive after taxes) is divided this way:

Here’s what that looks like in real numbers.

Let’s say you earn $4,000 each month. Using the 70/20/10 budget, here’s how that money would be divided:

Let’s continue the real-numbers example to see how this budget stacks up against other popular options:

Some differences rise to the surface:

70/20/10 seems like it gives you more flexibility for living expenses, but the math proves otherwise

70/20/10 pushes you to save more than 50/30/20

Ideally you end up saving $1,200 total instead of $800 — but that’s not always the case if you’re paying off debt, have an emergency, or prioritize charitable giving.

70/20/10 factors in investments

While the other two budgets are vague about investing, the 70/20/10 budget builds it right in.

Naima Bush, a certified financial planner in the Washington, D.C., area, says that’s what she likes about this budget.

“If you’re thinking about the future and aligning your dollars that way, let’s make sure we’re doing some investing,” Bush says.

The 70/20/10 budget is the only percentage-based budget that combines necessary spending (housing, transportation, utilities, food) with “wants” (dining out, subscriptions, gym memberships and other “extras”).

“I went on TikTok to see what things people were saying about it,” Bush says. “And my initial reaction was like, ‘Oooh, I don’t know if I want my fixed expenses commingled with my more flexible spending because things can get muddy really fast.’”

Combining these two categories creates a lack of clarity that the other two budgets have. For example, what if someone spent 60% of the 70% bucket on “wants” and only left 10% for rent? For most rental markets, $280 won’t cut it.

To make this budget work, you’d have to make sure you accounted for your needs first. Whatever is left over is your “wants” money. But wait … that sounds like another budget.

If you have credit card or other high interest debt, this budgeting method might not be for you. Dedicating only 10% to debt payments could result in that debt lingering for longer — and you paying more interest on it.

With wants and needs combined, it’s harder to figure out how overspending happens. When wants and needs are separated, like in the 50/30/20 or 60/30/10, you can see which type of spending is going up, and make efforts to cut the things from your budget that aren’t essential.

There are a few groups of people who might find this budget helpful.

Bush says people who know exactly how much they’re spending would be a good fit. This group might include older adults, who are on fixed incomes and don’t have huge fluctuations each month.

“For people who have a spending problem or who are just not as constrictive with their spending, I think the lines would be too blurred,” Bush says.

Because the 70/20/10 budget puts necessary spending and “fun” money together, you might suddenly find that you’ve spent a portion of your rent or grocery money on a new pair of shoes or a fancy dinner out.

Bush says having the guardrails between “wants” and “needs” can help people understand what they need each month before they start prioritizing savings goals or things from your “wants” list.

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About the author

Amanda Barroso, Ph.D., is a writer and content strategist helping consumers navigate budgeting, credit building and credit scoring. Before joining NerdWallet, Amanda wrote about demographic trends at the Pew Research Center and earned a Ph.D. from The Ohio State University.

Her work has been featured by the Associated Press, Washington Post and Yahoo Finance.