What causes employee turnover and how to prevent it

Employee turnover is most often caused by five things: the relationship with the direct manager, a role that does not match how someone naturally works, no visible way to progress, pay that has drifted behind the market, and a culture that has stopped feeling worth staying for. Pay is the reason people tend to give on the way out. The other four are usually what made them start looking months earlier.

Last reviewed September 2026.

The most common causes of employee turnover

Turnover has a short list of repeat offenders. Most resignations trace back to one of the causes below, and plenty of them trace back to two or three compounding quietly over a few months. The useful part is that each one leaves a different trail in your data, so you can tell them apart instead of guessing.

Poor management is the single biggest driver

The old line about people leaving managers rather than jobs holds up better than most HR aphorisms. A manager sets the daily experience of work: whether effort gets noticed, whether a mistake is a learning moment or a career event, whether someone knows where they stand. A leader who gives no direction and no feedback will grow a turnover problem in their team while the rest of the organisation looks healthy.

The fix is rarely a management training day. It is closer to helping leaders understand how they naturally operate and where that style stops working. A directive leader running a creative team will suffocate it. A consultative leader running an incident response will frustrate everyone waiting for a decision. Managers who can read the situation and flex hold on to people longer.

A role that does not fit how someone works

One of the most overlooked causes of turnover is a mismatch between how a person naturally works and what the job asks of them every day. Compono groups these preferences into eight work personalities: Doer, Auditor, Helper, Advisor, Pioneer, Campaigner, Evaluator and Coordinator. None of them is better than the others, and all eight are needed in a functioning team.

The trouble starts when the match is wrong. Put a Pioneer, who is at their best generating new ideas, into a role built on unchanging routine and they will feel boxed in. Put an Auditor, who is at their best when the detail is exact, into a business with no process and constant reversals and they will feel set up to fail. Working against your own grain for eight hours a day is tiring in a way that is hard to name, which is why people in this situation often resign without a clear reason. They only know the job wore them down.

This one is preventable at the hiring stage rather than the retention stage. If you assess how a candidate works, and not only what they have done before, you can see the mismatch before it costs you a year of someone's life and a replacement hire.

No visible way to grow

Capable people will tolerate a lot, but they rarely tolerate standing still. When someone can see no route to more responsibility, more skill or more money, the external market starts looking like the only lever they have. This is the cause that hits hardest, because it takes your strongest people first. The ones with options are the ones who leave.

Visible pathways matter more than formal promotions. A named next step, a secondment, a project outside the usual remit or a skill the organisation will pay to build all buy time and goodwill. Silence does not.

Pay, and where pay actually matters

Pay is a strange cause of turnover. It is the reason most commonly given in resignation conversations, and it is rarely the whole story. Pay works like a floor rather than a motivator. When someone is paid noticeably below the market for their role, that gap sits underneath every other frustration and makes each one heavier. Once pay is fair, adding more of it does very little to hold someone who is bored or badly managed.

Two practical implications. Benchmark the roles where you keep losing people, because a pay gap you have not measured will keep quietly winning arguments. And treat a resignation that cites pay as a prompt to ask what else was going on, since a counter-offer that fixes only the number usually buys a few months.

Culture, belonging and the people around them

People stay for colleagues and leave when work stops feeling like somewhere they belong. Cultures turn over slowly: a run of departures, a reorganisation, a leadership change, and the place feels different without anyone deciding to change it. Exclusion is often accidental rather than deliberate, which makes it harder to spot and easier to fix once you can see it.

Measuring this properly means looking past a single annual engagement score. A high score can sit on top of a team that is about to lose three people, because engagement surveys measure how people feel about work while culture measurement looks at how the organisation actually operates. The difference between the two is covered in the guide to engagement surveys and culture measurement. An employee engagement platform that reads both together gives you somewhere to look before a resignation lands.

Workload, burnout and the vacancy spiral

Turnover is self-feeding. One person leaves, their work gets spread across the team, the team gets tired, and the next resignation arrives faster than the first. Vacancy periods are where a manageable turnover rate turns into a serious one, which is why the speed of backfilling matters as much as the original cause.

Watch leave balances and absence patterns alongside your turnover numbers. Accrued leave that never gets taken and a rise in short-notice absence tend to appear before the resignations do.

Voluntary and involuntary turnover have different causes

Everything above describes voluntary turnover, where the person chooses to leave. Involuntary turnover, which covers dismissals, performance exits and redundancies, usually traces back to a decision made much earlier. A hire chosen on interview performance rather than evidence. Expectations that were never written down. An onboarding that stopped after the IT setup. Redundancy is a different matter again and sits with workforce planning rather than people management.

Splitting the two in your reporting is worth the effort, because the fixes live in different places. Voluntary turnover among good people points at management, growth and fit. Involuntary turnover points at hiring and role design.

How to work out which cause is driving your turnover

A single organisation-wide turnover percentage tells you almost nothing about cause. Cut it instead, and the pattern usually appears within a couple of hours of analysis.

• By manager and team. If turnover is concentrated under particular leaders, you have a management problem rather than a company problem.
• By tenure. Exits inside 90 days point at hiring and onboarding. Exits between one and two years point at growth and fit.
• By regretted and non-regretted. Losing people you wanted to keep is a different problem to losing people who were never going to work out, and averaging them together hides both.
• By role family and location. Clusters in one job family usually mean pay or market pressure rather than culture.
• Against what stayers say. Exit interviews are collected at the worst possible moment, from people with no reason to be candid. Stay conversations with the people still there are more useful and far cheaper.

The formula itself, and what counts as a leaver, is set out in the glossary entry on employee turnover rate. Once you know which cause you are dealing with, the practical steps are in the guide to reducing employee turnover.

The signals that show up before someone resigns

Resignations feel sudden to managers and feel like the end of a long process to the person resigning. The gap between those two experiences is where retention work happens. Signals worth watching include a drop in discretionary effort, withdrawal from the optional parts of work such as social events and cross-team projects, shorter and more transactional communication, a change in leave patterns, and a manager who can no longer answer what that person is working towards.

None of these is proof on its own. Several of them in the same person over the same quarter is usually worth a conversation.

What turnover is costing you

The cost of replacing someone lands in several places at once: advertising and agency fees, the hiring team's time, the vacancy period where the work does not get done, onboarding, and the months before a new starter reaches full productivity. Estimates of the total vary widely by role and seniority, and the honest answer is that it depends on your own numbers rather than a published multiplier. Working it out for your own roles with a cost of employee turnover calculator gives you a figure you can defend in a budget conversation, which is usually the point.

The number also changes the argument. Retention work competes for funding against things with obvious returns, and a credible replacement cost is what moves it from a soft topic to a line item.

Frequently asked questions

What is the main cause of employee turnover?

The relationship with the direct manager is the most common single cause. It shapes the daily experience of work, and turnover concentrated under particular leaders while the rest of the organisation is stable is the clearest sign of it.

Why do good employees leave?

Strong performers usually leave because they can see no way to grow. They have the most external options, so a ceiling on skills, responsibility or pay pushes them out first. A role that does not suit how they naturally work is the other common reason.

Is pay the main reason people leave?

Pay is the reason most often given in resignation conversations, but it behaves like a floor rather than a motivator. Being paid below market makes every other frustration heavier, and once pay is fair, more of it does little to hold someone who is bored or poorly managed.

What is a normal employee turnover rate?

It depends heavily on your industry, role mix and seniority, so a single universal benchmark is not much use. Compare your rate against your own trend over time and against published figures for your industry, and split voluntary from involuntary exits before drawing conclusions.

How do you find out why people are really leaving?

Cut turnover by manager, tenure, role family and whether the exit was regretted, then compare what the data shows against what people say. Stay conversations with employees who are still there tend to be more candid and more useful than exit interviews.

Can you tell someone is about to resign?

Often, yes. A drop in discretionary effort, withdrawal from optional work, shorter and more transactional communication and a change in leave patterns tend to appear before a resignation. Several of these in the same person over a quarter is worth a conversation.