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Pay Gap Analysis4 min read23 April 2026

Decomposing the Gender Pay Gap: Occupation, Level, Location and Employment Type

A single gender pay gap figure is an important accountability signal, but it is not a diagnosis. Australian employers need a disciplined decomposition approach to identify the workforce structures, pay practices and decision points driving results—and to translate insight into credible action.

Decomposing the Gender Pay Gap: Occupation, Level, Location and Employment Type — corporate workplace imagery

Why this matters to Australian employers today

For Australian employers, the gender pay gap is now both a workforce performance measure and a material governance issue. A whole-of-organisation gap can reveal whether women and men are benefiting equally from an employer’s pay and career system, but the aggregate figure alone cannot explain why the gap exists. It may reflect occupational segregation, unequal representation in senior roles, the geographic distribution of higher-paid work, differing employment patterns, or unexplained pay differences within comparable groups.

That distinction matters under the Workplace Gender Equality Act 2012 (WGEA Act), which requires relevant employers to report annually on gender equality indicators. The Workplace Gender Equality Amendment (Closing the Gender Pay Gap) Act 2023 strengthened transparency through publication of employer gender pay gap information. In parallel, Fair Work Act amendments—including reforms in the Fair Work Legislation Amendment (Secure Jobs, Better Pay) Act 2022—have reinforced equal remuneration principles and prohibited pay secrecy terms. Leaders should therefore treat decomposition as a core compliance, risk and workforce-planning capability, not a reporting exercise undertaken after year end.

Key compliance and strategic insights

1. Separate the headline result from its underlying drivers

Begin with both the median and average remuneration gender pay gaps, using WGEA-aligned remuneration definitions and a reliable payroll data extract. Then break the population into meaningful, sufficiently sized groups. The purpose is not to explain away a gap; it is to locate the decisions and systems that require attention.

  • Occupation: Compare representation and remuneration across occupational families, job streams and critical skills cohorts. Identify whether women are concentrated in lower-paid occupations or whether men dominate technical, operational or revenue-generating roles with higher allowances and incentives.
  • Level: Analyse each grade, classification, management layer and executive cohort. Measure women’s representation, starting salaries, fixed pay, variable pay, promotion rates and time spent at level. A low overall gap can mask a substantial gap in leadership succession.
  • Location: Assess metropolitan, regional, remote, site-based and state or territory cohorts separately. Location premiums, fly-in fly-out arrangements, project allowances and access to senior roles can create significant gendered outcomes.
  • Employment type: Examine full-time, part-time, casual, fixed-term and permanent employees. Include access to overtime, penalties, allowances, commissions, bonuses, training and progression—not simply base salary.

2. Test for inequity within comparable work

Compositional analysis shows where women and men are located in the organisation. It must be paired with a like-for-like review to identify potential pay inequity. Within each comparable cohort—for example, employees in the same job family, level, location and employment type—test remuneration outcomes by gender and investigate material differences.

  • Use a documented methodology, clear minimum group sizes and privacy safeguards to avoid unreliable comparisons or identification of individuals.
  • Review starting-pay offers, discretionary loading, market adjustments, acting allowances, performance outcomes, bonus eligibility and allocation of higher-paid shifts or projects.
  • Apply regression or other controlled analysis for larger workforces, while complementing it with case-level review. Statistical results should inform investigation, not replace management judgement.
  • Correct unjustified differences promptly and preserve a sound audit trail of the rationale, approval and remediation.

3. Connect pay outcomes to talent decisions and industrial settings

Pay gaps are commonly produced upstream. Recruitment channels, workforce design, parental leave, flexible work, performance management and promotion processes all shape who enters, stays and advances in higher-paid work. Analyse gender outcomes at each decision point and compare them against the relevant labour market and organisational pipeline.

  • Track applicant, shortlist, hire, promotion, acting-opportunity, high-potential and exit rates by gender and cohort.
  • Review enterprise agreements, individual arrangements and award application for gendered access to allowances, overtime and premium shifts.
  • Test whether flexible work, part-time work or parental leave affects performance ratings, incentive participation, project allocation or advancement.
  • Set accountable actions: inclusive shortlists, structured salary-setting ranges, transparent promotion criteria, sponsorship for underrepresented talent and regular pay-equity reviews.

4. Manage disclosure, enforcement and reputational risk

Non-compliance is visible. WGEA may publicly name employers that fail to comply with reporting requirements, and non-compliant organisations can be ineligible to compete for certain Commonwealth contracts and grants. Australian national and international coverage of employer gender pay gaps has elevated stakeholder scrutiny of the credibility of employer explanations and action plans.

Overseas developments reinforce the direction of travel. In the United Kingdom, the Equality and Human Rights Commission can take enforcement action where employers fail to meet gender pay gap reporting obligations. The EU Pay Transparency Directive requires member states to establish effective, proportionate and dissuasive penalties for breaches. Australian boards should assume that weak data governance, unsupported narratives and slow remediation can affect employer brand, tender prospects, investor confidence and employee trust.

Practical checklist for HR and board leadership

  • Confirm WGEA reporting scope, data ownership, remuneration definitions and approval controls.
  • Create a repeatable decomposition dashboard by occupation, level, location and employment type.
  • Undertake comparable-work testing and document investigation and remediation protocols.
  • Present the board with trends, drivers, workforce risks, actions, targets and accountable executives.
  • Align pay reviews with recruitment, promotion, flexible-work and succession processes.
  • Prepare a clear external and employee communication narrative that explains results without minimising accountability.
  • Review progress at least annually, and more frequently for identified high-risk cohorts.

Conclusion and next steps

Effective gender pay gap decomposition turns a published metric into an actionable management agenda. Employers that understand how occupation, level, location and employment type interact can target investment where it will have the greatest impact, demonstrate sound governance and build a more equitable, resilient workforce. The priority is to establish a defensible baseline, act on identified drivers and monitor whether interventions are changing outcomes over time.

For a seamless path from WGEA compliance to strategic execution, Diversity Australia’s WGEA Readiness Tool and Consulting Services provide practical support to assess data readiness, interpret gender pay gap drivers, strengthen reporting controls and implement an evidence-based gender equality action plan.

Ensure your reporting is compliant

Avoid the reputational risk of a poorly explained gender pay gap. Diversity Australia provides end-to-end WGEA readiness consulting and Employer Statement drafting.

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