KPIHuman Resources

Pay Equity Ratio

Ratio comparing compensation of different demographic groups for equivalent roles, measuring internal pay fairness

What is Pay Equity Ratio?

Pay equity ratio compares the average pay of one group with that of a reference group in equivalent roles and levels. It shows whether people doing comparable work are paid comparably.

It helps organisations find and fix unjustified pay differences, and it supports fairness and legal compliance.

How this KPI is measured

Function
Human Resources
Sub-function
Compensation & Benefits
Industry
All Industries
Type
Lagging
Impact
People
Unit
x
Measurement frequency
Annual
Formula
Average pay of target group / Average pay of reference group for equivalent roles and levels

How to calculate it

Divide the average pay of the target group by the average pay of the reference group for equivalent roles and levels.

For example, if the target group earns an average of 47,500 and the reference group earns 50,000 in equivalent roles, the ratio is 0.95.

A ratio of 1.0 means parity. Compare like with like by role, level and location, and consider using statistical analysis to account for legitimate factors.

Where it is used

  • Finding pay gaps

    See where differences exist.

  • Correcting unfair differences

    Plan adjustments.

  • Demonstrating fairness

    Report to stakeholders.

How to improve it

Tips and common mistakes

  • Equal pay and pay gap are different measures.
  • Follow the law and handle data confidentially.
  • Review regularly, not once.

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