Gender Pay Gap

An engineering company pays comparable roles consistently but has few women in senior, higher-paid jobs, so its organisation-wide median gender pay gap may be positive. That does not rule out unequal pay within a role, which needs a separate check.

The UK Office for National Statistics defines its median hourly gap across employees and explicitly says it is not a same-job pay comparison, and while UK employer guidance has specific reporting rules, those rules should not be treated as automatic requirements in every country. Choose the workforce and the pay definition first: state whether the figures cover one entity, country or group and which employees count, because a scope change affects trends.

Hourly earnings help compare full-time and part-time work, but inclusion of bonuses, overtime and allowances depends on the reporting method. Choose mean or median as well, since the mean is sensitive to very high earners while the median shows the middle person in each group, and report both where required or useful.

Use a consistent denominator: a common percentage divides the difference by men's pay, and stating that convention lets a negative number be read correctly. A negative gap means the selected statistic is higher for women under that method, not that all women are paid more or no inequity exists.

Check data quality too, because missing pay periods, incorrect hours or employee classification can create a false gap, so reconcile payroll and HR records. Look at role distribution, since a company with more men in senior positions may show a large overall gap even when salaries within grades are close.

Analyse within grades, comparing work of equal value with suitable controls for location and responsibilities, because an organisation-wide statistic alone cannot find individual underpayment. Then examine the pipeline: starting salaries and grade placement, access to senior roles and speed of promotion, the availability of senior part-time roles and differences in bonus eligibility and amount can all add to the gap, and bonuses are best analysed separately from base hourly pay.

Beware small groups, as a few hires or departures can move a small team's median sharply, so explain volatility and segment thoughtfully by department, job family, grade and location without publishing identifiable small-group data. Share individual pay data only with people who need it for a legitimate review.

Check legal duties locally, since some jurisdictions require publication by employer size or other criteria, while a voluntary analysis can still be worthwhile where no rule applies, and avoid single-cause claims because a gap can arise from several factors at once. Build an action plan with owners and measures, because better hiring, promotion, flexible-work and pay review processes may address different causes.

Do not celebrate only a smaller ratio, since a gap can shrink because high-paid women leave or a low-paid cohort changes, and a low aggregate gap does not excuse unlawful pay differences for equal work. Explain the methodology (reference date, pay elements, employment scope and treatment of leave) and track change over time with comparable methods, noting structural changes such as an acquisition; for owners, the gap is a prompt to examine where people enter, progress and are paid, and the metric alone identifies a difference rather than its full cause or an individual legal finding.