Skilled Labor Shortage: Why Every Unfilled Position Costs Knowledge, Not Just Time

Nearly half of German mid-sized companies cannot fill open positions — not because too few people are being hired, but because the right candidates simply aren't available. The real damage rarely comes from the vacancy itself; it comes from the knowledge that disappears with the person leaving. Treating this purely as a recruiting problem addresses the symptom, not the cause.

What the 2025/2026 skilled labor shortage report actually shows

36 percent of the nearly 22,000 companies surveyed by the German Chambers of Industry and Commerce (DIHK) report that they cannot fill at least some open positions because no suitable candidates are available — the central figure from the DIHK Skilled Labor Report 2025/2026. Among mid-sized companies with 20 to 199 employees, the figure rises to 44 percent; among those with 200 to 999 employees, to 47 percent. Small businesses with fewer than ten employees sit at 25 percent, large enterprises at 40 percent. The mid-market carries a disproportionate share of the burden — that is the report's central structural finding.

One clarification matters here: the 36 percent refers to companies that cannot fill at least some of their open positions — not to 36 percent of all open positions nationwide. Companies with no current hiring needs simply don't appear in this figure at all.

Why the drop from 43% to 36% isn't good news

The share of companies reporting hiring difficulties fell from 43 percent in the previous year's report — that sounds like relief, but it's largely a cyclical effect, not a structural one. Over the same period, the share of companies with no current staffing needs rose from 44 to 48 percent. Fewer companies are struggling to hire not because hiring got easier, but because fewer companies are hiring at all. Economic weakness is masking the structural shortage, not resolving it. Looking at the series of recent reports — 53 percent (2022), 50 percent (2023), 43 percent (2024), 36 percent (2025/26) — the trend tracks the economic cycle far more closely than any easing of the underlying labor market.

The hardest-hit group remains companies seeking employees with vocational (dual) training: 57 percent of companies with hiring problems report being unable to find suitable candidates specifically in this category — precisely the roles where operational know-how has traditionally lived in people's heads rather than in documentation.

The real loss isn't the vacancy — it's the knowledge

The DIHK report explicitly names this as a separate risk: the loss of company-specific knowledge as experienced employees retire or leave. That's a different problem from an open position. A vacancy can be bridged with temp staff, internal promotion, or redistributed workload. Lost knowledge — which client has which special terms, why a machine is set up in a particular sequence, how a supplier relationship evolved over years — cannot be rehired. It has to have been captured beforehand.

Putting a precise price on this is difficult. Circulating estimates about the monthly cost of an unfilled "knowledge role" aren't traceable to a solid primary source. A more reliable figure comes from a study by Zimmermann and colleagues commissioned by Stepstone: each unfilled position costs an average of 29,000 euros over the entire vacancy period, rising to as much as 73,000 euros at companies with more than 250 employees — a total cost over the vacancy, not a monthly figure, calculated using the average daily wage of the relevant occupation as a floor for lost value creation. Whichever figure one uses, the underlying driver is the same: the value an experienced person creates, and that disappears the moment nobody has written it down.

What to check before the next resignation letter

The decisive question isn't whether a position can be refilled — it's whether the current holder's knowledge exists anywhere outside their own head. A simple self-check has three questions: Is there a written rationale for this role's key decisions that a stranger could follow without asking? Would a new hire know the same exceptions and special rules after four weeks that the current person learned over ten years? And: where exactly — in which system, which document — does knowledge that currently only exists verbally actually live?

For most companies, the honest answer to the last question is: nowhere. Knowledge sits scattered across emails, mental notes, and experience that was never systematically captured because there was never time for it. This is exactly where an overarching memory layer, run across individual business applications, becomes relevant: it consolidates the processes, behavioral patterns, and decisions that otherwise exist only in individual employees' heads, turning them into versioned, retrievable knowledge units — before the person leaves, not after.

Such a system also detects whitespots: gaps in documented knowledge that it actively probes through targeted interviews with the staff who still hold that knowledge, rather than waiting for someone to stumble across the missing piece by accident. That reorders the whole process: knowledge capture stops being a rushed handover in the final two weeks before departure and instead runs continuously — while the person is still there to answer the questions.

Recruiting alone solves the wrong problem

Responding to these figures purely by expanding recruiting budgets treats the symptom, not the cause. Even when an open position is successfully filled — a process that typically takes several months — the new hire starts without the accumulated experience of their predecessor. That experience gap weighs heaviest precisely in the 44 and 47 percent of mid-sized companies most affected, because in those companies specialized knowledge tends to concentrate in a handful of experienced individuals rather than in documented processes. The structural answer to a structural shortage isn't only finding new people — it's securing what the people already there already know.