The Cost of Employee Disengagement: How to Put a Real Number on It

Most HR leaders already sense that disengagement is expensive. The hard part is the meeting where someone in finance asks, "Expensive how — give me a number." Culture, morale, and "quiet quitting" don't fit on a spreadsheet, so the conversation stalls, and the budget goes to whatever team showed up with figures.

We run corporate team sessions out of a real fight gym, founded by a professional fighter, and we'll be straight about our angle: we'd rather you walk into that meeting with a defensible number than a vibe. So this isn't a pitch for our program — it's a guide to sizing the problem honestly, using numbers you can trace back to a primary source and put in front of your CFO without flinching. Where the number leads is your call.

Disengagement is a line item, not a mood

Start with the per-person figure, because it's the one that travels furthest in a budget conversation.

Gallup's framing is direct: employees who are not engaged cost their company the equivalent of 18% of their annual salary (Gallup, "Increase Productivity at the Lowest Possible Cost"). That's not a metaphor about morale. It's a multiplier you can apply to a headcount. One not-engaged person earning $80,000 represents roughly $14,400 in lost value a year — and that figure scales with every name on the roster who's clocked out without leaving.

The reason this matters is that the not-engaged group isn't a fringe. In the United States in 2024, Gallup measured 31% of employees as engaged and 17% as actively disengaged, leaving the large middle — neither hostile nor invested — as the majority of the workforce (Gallup, "U.S. Employee Engagement Sinks to 10-Year Low"). Engagement that year fell to its lowest point in a decade, down from a 2020 peak of 36%. So the 18% multiplier isn't a rare edge case you're hunting for. For most teams, it applies to more people than the engaged column does.

If you want to see the math run on your own headcount instead of ours, our cost-of-disengagement calculator does exactly that — salary, team size, engagement mix in, a dollar range out.

The macro number that makes it real

Sometimes a per-person figure feels abstract until you see the scale it adds up to.

Gallup estimates that low engagement costs the global economy roughly $8.8 trillion, about 9% of global GDP (Gallup, State of the Global Workplace 2023). In the most recent reading, that figure has climbed to around $10 trillion, still near 9% of GDP (Gallup, State of the Global Workplace). We cite these as the size of a worldwide problem, not as your company's bill — no single employer carries a slice of $8.8 trillion. But it reframes the conversation. Disengagement isn't a quirk of your org chart. It's a structural drag that shows up everywhere, which is why your CFO has almost certainly seen the figure before.

The useful move is to come down from the global number to your own. The trillions establish that this is a real, measured cost. The 18%-of-salary multiplier is how you bring it home to a team you can name.

The three places the cost actually shows up

A single multiplier is enough to start a conversation. To make the number credible, it helps to point at the specific channels the cost flows through. There are three, and each has a verified figure behind it.

Absenteeism. People who are checked out miss more days. The CDC Foundation put the cost of absenteeism from illness and injury at $1,685 per employee per year across the U.S. workforce (CDC Foundation, 2015). That figure is from 2015, so treat it as an order-of-magnitude anchor rather than a live 2026 number — but it establishes that absence has a real per-head price, and that the price is in the four figures, not the dozens.

Turnover and replacement. When disengaged people leave, replacing them isn't cheap. The Center for American Progress estimated replacement costs ranging from 16% of salary for lower-paid roles up to 213% for senior and executive positions (Center for American Progress, Boushey & Glynn, 2012). Gallup, separately, puts the range at 50% to 200% of an employee's annual salary (Gallup, "This Fixable Problem Costs U.S. Businesses $1 Trillion"). Whichever range you reach for, the point holds: a single avoidable departure in a mid-salary role can cost most of a year's pay to undo.

Lost productivity from poor mental health. This is the channel that gets undercounted because it doesn't always look like absence. Gallup found that employees in fair or poor mental health take about 12 unplanned absence days a year, versus 2.5 days for everyone else — and pegged the total U.S. cost of that lost productivity at $47.6 billion a year (Gallup, "The Economic Cost of Poor Employee Mental Health," 2022). The gap between 12 days and 2.5 is the part of disengagement that hides in plain sight.

Stack those three together and the 18% multiplier stops looking like a slogan. It's a roll-up of absence, churn, and quiet underperformance — each with its own primary source you can cite by name.

How to build the number for your own team

Here's the part you can take into the budget meeting. The goal isn't a precise figure to the dollar; it's a defensible range your finance partner will accept as a starting point.

Pull your engagement mix. If you run an engagement survey, you already have your split. If you don't, the U.S. baseline — 31% engaged, 17% actively disengaged — is a reasonable stand-in to start the conversation, and you can flag it as a national benchmark rather than your measured reality.

Apply the multiplier to the not-engaged share. Take the headcount that isn't engaged, multiply each by 18% of their salary, and you have a first-pass annual cost. Round conservatively. A range that's defensible beats a point estimate that's brittle.

Layer in the channels you can see. If you have turnover data, add the replacement cost on voluntary departures using the CAP or Gallup ranges. If you track absence, the CDC per-head figure gives you a floor. You don't need all three — you need enough to show the number isn't pulled from the air.

Present it as a range with sources attached. "Somewhere between X and Y, here's the math, here are the citations" lands far better than a single confident-sounding figure no one can trace. Finance trusts a sourced range more than a precise guess.

If you'd rather not build the model by hand, the calculator on our corporate page runs this exact logic and shows the sources inline, and the benchmark figures are all linked to their primary studies so you can verify before you cite.

What the number does and doesn't tell you

Because it's easy to over-read a calculation, here's the honest boundary on it.

The figure tells you the scale of what disengagement is costing you — a problem worth a budget line. That's genuinely useful, and most teams have never sized it.

It does not tell you that any particular intervention will recover that money. We won't claim our sessions — or anyone's wellness program, offsite, or perk — erase a specific percentage of that cost. The research we've cited measures the problem across the economy; it says nothing about the return on a given fix, and the studies that try to measure wellness-program ROI are genuinely mixed. So treat the number as a sizing tool, not a guaranteed savings account. Anyone who hands you a cost-of-disengagement figure and then promises their product reclaims a clean slice of it is selling certainty that doesn't exist.

What sizing the problem honestly does buy you is a seat at the budget table with a number finance respects — and a clear-eyed view of which interventions are even worth piloting against it. That's the foundation. You can see how our team sessions are built and what a session involves on our corporate page; whether they're the right lever for your number is a conversation, not a claim.

Where to go from the number

Once you've sized it, the next step is small and concrete: decide whether the figure justifies a pilot, and against which channel. If your cost is concentrated in turnover, a retention-focused program is the test. If it's absence and low mental health, that points elsewhere. The number tells you where to aim before you spend.

When you're ready to put a figure on your team and talk through what to do with it, you can estimate your team's number or reach out to us directly.

Frequently asked

What does one disengaged employee actually cost? Gallup estimates that an employee who is not engaged costs roughly 18% of their annual salary. For someone earning $80,000, that's about $14,400 a year in lost value. It's a multiplier you apply per person, and it scales with how much of your team falls in the not-engaged group.

How many employees are disengaged on average? In the U.S. in 2024, Gallup measured 31% of employees as engaged and 17% as actively disengaged — the lowest engagement in a decade — which leaves the majority in the middle, neither hostile nor invested. That large not-engaged middle is where most of the cost sits.

Can I really put a dollar figure on disengagement? Yes, as a defensible range rather than a precise number. Apply Gallup's 18%-of-salary multiplier to your not-engaged headcount, then layer in what you can measure — replacement costs on turnover (16%–213% of salary per the Center for American Progress) and absenteeism (about $1,685 per employee per year per the CDC Foundation). Present it as a sourced range, not a single figure.

Does a team session or wellness program recover that cost? We won't claim a specific recovery. The figures above measure the size of the problem across the economy; they don't measure the return on any one program, and the research on wellness-program ROI is mixed. Use the number to size the problem and decide where a pilot is worth running — not as a promise of savings.

What budget line does this fall under? Sizing disengagement usually lives with HR or People analytics, and any intervention you pilot against it typically sits on a wellness, L&D, or DEI budget. We can help you frame the case either way.

Where do these numbers come from? Every figure here is from a primary source — Gallup, the CDC Foundation, and the Center for American Progress — and we link each one so you can verify it before you cite it. We don't use figures we can't trace to the original study.

Start sizing your team's number at KD MMA

Founded by WEC veteran Karen Darabedyan, KD MMA runs corporate team sessions in Los Angeles and out of our Glendale academy — but before any of that, we think you should know what disengagement is actually costing you. Use our calculator to put a defensible number on your team, with every benchmark linked to its source, then decide for yourself what's worth doing about it.

Estimate your team's number · talk it through · or call us at (747) 231-5550.