Health and Safety KPIs: 12 Metrics to Track Safety Performance

Health and safety key performance indicators (KPIs) help organisations measure whether their safety processes are working in practice. They show where risks are being managed well, where safety issues keep appearing and where action is needed before a workplace incident occurs.

The best health and safety KPIs combine leading indicators and lagging indicators. Leading indicators track preventative activity, such as safety inspections, employee training and corrective actions. Lagging indicators measure past outcomes, including workplace accidents, lost time injuries and reportable incidents.

Used together, these safety metrics give health and safety teams a more complete view of overall safety performance. They support better decision-making, stronger safety management systems and continuous improvement across the workplace.

What are health and safety KPIs?

Health and safety key performance indicators are measurable figures used to assess how effectively an organisation manages workplace health and safety.

They can measure things such as how many safety inspections have been completed, whether mandatory safety training is up to date or how quickly teams close issues found during safety audits. They can also track workplace injuries, safety violations and lost working time.

A useful KPI does more than create a number for a report. It should help safety managers identify trends, understand the cause of recurring issues and make practical improvements to safety processes.

For example, a drop in reported workplace incidents may look positive. However, if near-miss reports, employee feedback and safety inspections have also fallen, it could suggest that concerns are no longer being raised or recorded. Looking at several KPIs together gives a more accurate picture.

Why track health and safety performance?

Tracking health and safety performance helps organisations move from reacting to safety incidents to managing risks more proactively.

Without consistent data, it is difficult to know whether safety measures are working, one site is performing differently from another or the same problems are being identified repeatedly. This can lead to missed hazards, inconsistent safety practices and delayed corrective actions.

The right safety KPIs can help organisations:

• Identify potential hazards before they result in injuries
• Compare safety performance across sites, teams and time periods
• Track progress towards agreed safety goals
• Improve safety training and employee preparedness
• Monitor compliance with internal safety procedures
• Review the effectiveness of safety management systems
• Demonstrate management commitment to workplace safety
• Support more focused safety performance reviews

Digital records make this easier, especially for organisations managing multiple sites, field teams or regular inspections. Health and safety management software can help teams bring inspections, risk assessments, incident reporting and corrective actions all into one place.

Leading vs lagging indicators in health and safety

A balanced health and safety KPI system uses both leading and lagging indicators.

What are leading indicators?

Leading indicators measure the preventative actions being taken to reduce workplace risks. They show whether an organisation is doing the work needed to prevent incidents before harm occurs.

Examples of leading indicators include:

• Safety inspection completion rates
• Near-miss reporting rates
• Safety training completion rates
• Corrective action closure rates
• Safety audit completion
• Employee safety feedback
• Percentage of management trained in health and safety

Leading indicators are important because they focus on proactive safety management. They help teams spot gaps in safety processes before those gaps contribute to workplace injuries or safety incidents.

What are lagging indicators?

Lagging indicators measure events that have already happened. They are useful for understanding the outcomes of health and safety management, but they do not prevent incidents by themselves.

Examples include:

• Total recordable incident rate
• Lost time injury frequency rate
• Number of workplace accidents
• Reportable incidents
• Days lost through workplace injuries
• Safety violation fines or penalties

A business should not rely on lagging indicators alone. A low accident rate does not automatically mean safety standards are strong. It may simply mean the organisation has not yet experienced a serious incident, or that problems are not being reported consistently.

12 health and safety KPIs to track

1. Total recordable incident rate

The total recordable incident rate (TRIR) measures the rate of recordable workplace incidents over a set period.

It is one of the most common lagging indicators used to assess safety performance. Organisations calculate it against total hours worked, which makes it easier to compare results over time or across teams with different employee numbers.

The formula is commonly:

Number of recordable incidents × 200,000 ÷ total hours worked

The 200,000 is a fixed standardisation factor, which allows for incident rates to be compared between organisations. It represents 100 full-time employees working 40 hours per week for 50 weeks. Some organisations use a different denominator, but the method must remain consistent if results are to be compared meaningfully.

A lower TRIR can suggest that safety measures are effective. However, it should be reviewed alongside leading indicators, including inspections and near-miss reporting, to avoid drawing the wrong conclusion.

TRIR is used in the UK and USA to measure recordable incidents in relation to hours worked. In the UK, the Health and Safety Executive (HSE) uses injury incidence rates for its national workplace injury statistics, generally expressed as injuries per 100,000 workers.

2. Lost time injury frequency rate

Lost time injury frequency rate (LTIFR) measures the number of injuries that result in time away from normal work duties. It is usually calculated per million hours worked.

The formula is:

Number of lost time injuries × 1,000,000 ÷ total hours worked

LTIFR is a useful indicator for understanding the frequency of workplace injuries resulting in lost time. It can also highlight whether certain locations, tasks or teams have a higher risk profile.

Before using this KPI, establish a clear internal definition of a lost time injury. This avoids inconsistent reporting between sites or managers.

LTIFR should also be viewed alongside the number of incidents recorded, the types of injuries involved and the actions taken afterwards. A single serious injury can have a large impact on the figure in a smaller business, so context matters.

3. Near-miss reporting rate

A near miss is an event that could have caused injury, illness or damage but did not. Tracking near misses gives organisations the opportunity to identify potential hazards and act before a more serious workplace incident occurs.

This is one of the strongest leading indicators because it measures whether employees are actively reporting safety concerns.

A high near-miss reporting rate is not necessarily negative. It can indicate a strong safety culture where employees feel comfortable raising concerns and management takes those concerns seriously.

The key is what happens next. Every reported near miss should be reviewed, with corrective actions assigned where required. Regular analysis can also reveal recurring risks, such as poor housekeeping, equipment defects or unsafe working practices.

This should never become a target to drive down blindly. The goal is not zero reports. The goal is to reduce the underlying hazards while maintaining open reporting.

4. Corrective action closure rate

Corrective action closure rate measures the percentage of safety issues resolved by their agreed deadline.

It is particularly useful after safety inspections, risk assessments, safety audits and incident investigations. Finding an issue is only the first step. This KPI shows whether teams are actually addressing the issue in a timely way.

The formula is:

Corrective actions completed on time ÷ total corrective actions due × 100

A low closure rate may indicate unclear responsibilities, lack of resources or insufficient management follow-up. It may also suggest that employees do not have a straightforward way to see which actions they own.

For a more useful view, separate actions by priority. A small number of overdue high-risk issues may need more urgent escalation than a larger number of minor actions.

5. Overdue safety actions

Alongside closure rate, track the total number of overdue corrective actions and the length of time each has been outstanding.

This gives safety managers a more immediate view of unresolved risks. It is especially valuable for multi-site operations where issues can be raised through different inspections, audits and reports.

Track overdue actions by:

• Risk level
• Site or department
• Responsible person
• Type of safety issue
• Number of days overdue

This makes it easier to identify patterns. If one team has a high number of overdue actions, it may need better support, clearer responsibilities or more regular safety performance reviews.

6. Safety inspection completion rate

Safety inspections help organisations identify hazards, assess safety standards and confirm that control measures are working as expected.

A safety inspection completion rate shows whether planned checks are being completed on time. This could include workplace safety inspections, site visits, equipment checks, fire safety checks or routine compliance monitoring.

The formula is:

Completed inspections ÷ scheduled inspections × 100

A low completion rate can create gaps in safety processes and leave potential hazards unidentified for longer. It can also make it harder to demonstrate that scheduled checks have been carried out.

For teams carrying out regular assessments, risk assessment software can help standardise inspection records, capture evidence and track actions raised from findings.

7. Safety training completion rate

Safety training compliance measures the percentage of employees who have completed required training within the expected timeframe.

This may include induction training, refresher training, equipment training, emergency response procedures, control of substances hazardous to health (COSHH) awareness or role-specific safety training.

The formula is:

Employees who completed required training ÷ employees required to complete training × 100

Tracking training completion rates helps organisations identify expired qualifications, missed refreshers and areas where employee preparedness may be weaker.

However, completion alone does not prove competence. Combine this KPI with observations, supervisor feedback and safety inspection findings to understand whether employees are applying training in practice.

It can also be useful to track the percentage of management trained in health and safety. Management commitment helps build trust, encourages hazard reporting and supports a more proactive safety culture.

8. Safety audit findings

Safety audits help organisations assess how well safety management systems are functioning. Rather than just measuring how many safety audits were completed, track the findings they uncover.

Useful audit KPIs include:

• Number of audit findings
• Number of high-risk findings
• Percentage of findings closed on time
• Repeat findings
• Findings by site or work activity
• Findings linked to a particular safety procedure

Repeat findings are especially valuable. They may suggest that earlier corrective actions treated the symptom rather than the root cause of the issue.

The aim is not simply to reduce the number of findings. A low number may mean audits are too superficial. The focus should be on identifying genuine health and safety issues, resolving them properly and learning from the results.

9. Workplace accidents and safety incidents

Tracking the number of workplace accidents and safety incidents is a basic but important lagging indicator.

Record the type of incident, location, task involved, severity and any contributing factors. This helps teams understand whether incidents are isolated events or part of a wider trend.

For example, repeated slips, trips and falls at the same site may indicate poor housekeeping, damaged flooring, inadequate lighting or weak safety protocols. The number of incidents alone does not explain the problem. The detail behind them does.

Some incidents may need to be recorded or reported under Reporting of Injuries, Diseases and Dangerous Occurrences Regulations (RIDDOR). The HSE’s guidance on reportable incidents explains which work-related injuries, diseases and dangerous occurrences must be reported.

10. Safety violations and compliance breaches

Safety violations can include failures to follow agreed safety procedures, incomplete documentation, missed inspections, unsafe behaviour or other breaches of workplace safety requirements.

Tracking these issues can help organisations identify gaps in safety compliance before they lead to injury, enforcement action or operational disruption.

This KPI should be handled carefully. It should support learning and improvement, not create a blame culture that discourages employees from speaking up.

Where possible, categorise violations by type and cause. For example:

• Training gap
• Unclear safety protocol
• Inadequate supervision
• Missing equipment
• Poor access to information
• Repeated non-compliance

This helps organisations focus corrective actions on the actual cause rather than treating every breach as individual employee failure.

11. Safety prevention costs

Safety prevention costs measure investment in proactive safety activity. This can include employee training, safety audits, inspections, protective equipment, maintenance, risk assessments and professional advice.

Monitoring these costs can help management understand how resources are being used across safety initiatives. It can also support budget decisions and show whether preventative activity is being prioritised.

This should not be treated as a target to reduce costs. Lower spending does not automatically mean better performance. Cutting training, inspection or maintenance budgets may increase the likelihood of workplace accidents and higher costs later.

Instead, review prevention costs alongside key metrics such as incident trends, overdue actions and audit findings.

12. Employee safety feedback

Employee feedback is a qualitative KPI that gives organisations an insight into how safety practices work in everyday situations.

Workers are often the first to notice unsafe conditions, poor procedures or equipment issues. Regular feedback can identify concerns that do not appear in accident records or safety audits.

Questions could include:

• Do employees feel able to report safety concerns?
• Do managers act on reported hazards?
• Are safety procedures clear and practical?
• Do employees have the right training and equipment?
• Are safety meetings useful?
• Do staff believe management is committed to workplace safety?

Employee perception of management commitment can be measured through safety culture surveys. Positive feedback does not replace objective data, but it gives important context for understanding how safety processes are experienced by the people using them.

How to choose the right safety KPIs

The right KPIs depend on the type of work being carried out, the organisation’s risk profile and the safety goals it is trying to achieve.

Construction businesses may focus on safety inspections, risk assessments & method statements (RAMS), toolbox talks and high-risk site activities. Facilities management teams may place more emphasis on asset checks, recurring maintenance tasks and contractor compliance. Office-based businesses may prioritise display screen equipment (DSE) assessments, employee wellbeing, fire safety and incident reporting.

Avoid tracking every possible metric. A focused set of relevant KPIs is more useful than a large dashboard that nobody reviews properly.

Most organisations should begin with a balanced set of metrics covering:

• Safety inspections completed
• Near misses reported
• Training completion rates
• Overdue corrective actions
• Corrective action closure rate
• Safety audit findings
• Workplace incidents
• Lost time injuries

Use a risk assessment template as part of the wider process for identifying hazards, recording control measures and setting actions. KPIs should support risk management, not replace it.

How to review health and safety performance

Health and safety performance reviews should turn data into practical action.

Review safety KPIs monthly or quarterly, depending on the size of the business and the risks involved. Serious incidents, high-risk audit findings and overdue corrective actions should be reviewed sooner.

Ask questions such as:

• Are safety incidents increasing in a particular area?
• Are near misses being reported and investigated?
• Which safety issues appear repeatedly in inspections?
• Are corrective actions being closed on time?
• Are employees completing mandatory safety training?
• Do employees feel comfortable raising concerns?
• Are safety audits identifying the same gaps each time?

Share relevant results with managers, health and safety teams and employees. This strengthens management commitment and helps show that reports, feedback and safety concerns are being acted on.

Using KPIs to improve safety culture

A strong safety culture is built through consistent action. Employees need to see that safety issues are taken seriously, that managers follow the same safety standards and that reporting concerns leads to meaningful improvements.

Health and safety KPIs can support this by making safety performance visible. However, they must be used constructively.

Avoid using KPIs to punish teams for reporting incidents or near misses. This can lead to under-reporting and create a false picture of safety performance. Instead, use the data to understand risks, improve safety processes and recognise proactive safety behaviour.

Over time, this helps organisations move towards proactive safety management where potential hazards are identified and addressed before they become future incidents.

Health and safety KPI FAQs

What are the most important health and safety KPIs?

Most organisations should track a mix of leading and lagging indicators. This usually includes safety inspections, near misses, training completion rates, corrective action closure, workplace accidents and lost time injuries.

What is the difference between TRIR and LTIFR?

TRIR measures recordable incidents over a set number of hours worked. LTIFR measures injuries that result in time away from normal work duties, usually per million hours worked.

Why are leading indicators important in safety management?

Leading indicators show whether preventative safety measures are happening before an incident occurs. They help organisations identify risks earlier and improve safety processes proactively.

Is a high near-miss reporting rate a bad sign?

Not necessarily. A high rate may indicate that employees feel comfortable reporting safety concerns. The most important measure is whether the organisation investigates reports and takes appropriate corrective action.

How often should safety KPIs be reviewed?

Most organisations should review safety KPIs monthly or quarterly. High-risk issues, serious safety incidents and overdue corrective actions should be reviewed as soon as possible.

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