Gender Pay Gap: In-Depth Analysis of Definition, Scale, and Organizational Impact

The problem of the gender pay gap (GPG) is a phenomenon persistently present in public discourse and, more importantly, in the realities of numerous enterprises worldwide, including Poland. Although at first glance this issue may seem exclusively the domain of social justice or ethics, its implications reach much deeper, touching fundamental aspects of management, economics, and organizational culture. At EITT, as an institution engaged in promoting best management practices and building conscious, modern organizations, we view understanding and actively counteracting the pay gap as one of the key elements of mature leadership. The intuitive sense of injustice associated with unequal pay treatment is only the tip of the iceberg. A full understanding of definitions, measurement methodology, the actual scale of this phenomenon, and its multidimensional consequences may be surprising to many and encourage deeper reflection.

Equality and transparency, which form the foundations upon which we base our activities at EITT, are not merely abstract ideals. They translate into concrete economic and social benefits. The pay gap is not an isolated statistical problem; it is a real challenge that directly and indirectly affects employee engagement, their motivation for development, loyalty to the employer, and overall productivity. Moreover, a company’s reputation in an increasingly competitive labor market, its ability to attract the most talented individuals, develop their potential, and equally importantly, retain them within the organization, are inextricably linked with the perception of the company as an employer that cares about fair and equal treatment. Neglect in this area, often resulting from lack of awareness or insufficient analysis, can lead to measurable losses - not only financial, related to higher turnover or recruitment costs, but also reputational, which in the era of social media and easy access to information can be difficult to recover from.

In this expanded article, we intend to conduct a comprehensive review of the pay gap issue. We will begin with a precise definition of key concepts, carefully distinguishing the pay gap from the fundamental, legally sanctioned principle of “equal pay for work of equal value,” which is the cornerstone of anti-discrimination systems. Next, we will analyze current statistical data on the scale of this phenomenon, both in the Polish and European context, attempting not only to present dry numbers but also to understand what lies behind them, what the methodological limitations are, and what trends can be observed in the longer term. A key element of the article will be a detailed discussion of the multidimensional consequences of a persistent pay gap - for employees themselves (especially women), for social structure, and - which is particularly important from the perspective of managers, team leaders, and HR specialists - for the daily functioning, stability, and long-term development of enterprises. A deep understanding of these complex, often interrelated aspects is the first and absolutely fundamental step on the path to identifying potential problems in one’s own professional environment and, consequently, to consciously building a more just, and thus more effective, innovative, and competitive work environment.

Quick Navigation

• Definitions of key concepts: organizing and deepening terminology in the context of pay
• Where are we? The scale of the pay gap problem and its multifaceted consequences
• Summary: the first step on a long road - deep understanding of the pay gap problem
• (CTA) - what’s next? Reflection and preparation for next steps

Definitions of key concepts: organizing and deepening terminology in the context of pay

Effective discussion of the pay gap and its strategic implications for organizational management requires not only awareness of the problem but above all precise use of basic concepts. In public and industry debate, terms are often confused or used imprecisely, which can lead to erroneous conclusions and ineffective actions. Two key, though inextricably linked, concepts - “equal pay for work of equal value” and “pay gap” (Gender Pay Gap - GPG) - refer to different, albeit equally important, aspects of inequality in the labor market. Their proper distinction and deep understanding allows for more insightful analysis of the problem, more precise identification of its sources, and most importantly, designing adequate, targeted, and effective solutions. This is essential knowledge for every manager, leader, and HR specialist who cares about maintaining the highest ethical and operational standards in their organization, including enterprises cooperating with and utilizing EITT’s expertise.

The principle of equal pay for work of equal value: This fundamental principle, rooted in international and national labor law systems, forms the basis of pay non-discrimination. According to this principle, women and men should receive equal remuneration not only for performing work identical in terms of job title or scope of duties, but also for work that - although it may differ in the nature of tasks performed, industry specifics, or type of contract - represents objectively similar or comparable value to the employer. The key and often most difficult element here is the objective assessment of this “work value.” This process should be based on a set of clearly defined, non-discriminatory criteria, such as:

• Required qualifications and competencies: This includes both formal education, completed courses and certifications, as well as practical skills, specialist knowledge, professional experience, and soft competencies (e.g., communication, analytical, leadership) necessary for effective task performance.

• Scope of responsibility: This concerns the degree of responsibility for people (team management, supervision), for material and financial resources (budget, equipment), for the implementation of key processes and projects, as well as for decision-making and its potential consequences for the organization.

• Effort invested: This criterion takes into account physical effort (e.g., in manual work requiring strength), mental effort (e.g., in analytical, conceptual work requiring concentration and solving complex problems), as well as emotional effort (e.g., in professions requiring intensive contact with customers, patients, or work under pressure).

• Conditions under which work is performed: This includes factors such as the degree of occupational risk, exposure to harmful physical or chemical factors, work arduousness (e.g., shift work, night work, difficult weather conditions), or unusual working hours.

For example, the work of a data analyst in the IT sector and the work of a palliative care specialist in the medical sector may at first glance seem extremely different in terms of required technical qualifications. However, if in-depth analysis reveals a comparable level of responsibility (e.g., for data security vs. for patient comfort and dignity), similar complexity of problems to solve, and similar mental and emotional effort, the principle of equal pay for work of equal value would suggest that remuneration for these positions should be set at a similar level, regardless of the gender of the persons holding them. In Poland, this principle is guaranteed by the Labor Code (particularly Article 183c), and at the European level, it is strongly sanctioned in EU founding treaties and numerous directives, including the latest and particularly important Directive (EU) 2023/970 of the European Parliament and of the Council of 10 May 2023 to strengthen the application of the principle of equal pay for equal work or work of equal value between men and women through pay transparency and enforcement mechanisms. This directive introduces a number of new obligations for employers, including in the area of remuneration data reporting and employee access to information. Violation of the principle of equal pay for work of equal value constitutes direct pay discrimination, is illegal, and can result in serious consequences for the company, including litigation, severe financial penalties, compensation for affected employees, and equally importantly, long-term reputational damage. For companies cooperating with EITT, rigorous adherence to this principle is not only an obligation arising from legal requirements but above all a testimony to their organizational maturity, ethical leadership, and commitment to building a culture based on respect and fairness.

Pay gap (Gender Pay Gap - GPG): Unlike a violation of the principle of “equal pay for work of equal value,” which concerns individual cases of discrimination, the pay gap is a statistical measure. It illustrates the relative difference in average (most often hourly) gross earnings of all employed women and men in a given population (e.g., in the entire national economy, in a specific sector, industry, region, or even in a single enterprise). It is a synthetic indicator that by itself does not determine the existence of discrimination at a specific position, but signals a general imbalance in the economic position of women and men in the labor market. It is key to distinguish between two main types of pay gap:

• Unadjusted (raw) pay gap: This is the most frequently cited measure in the media and the simplest to calculate. It is calculated as the difference between the average gross hourly earnings of all employed women and men in the analyzed population, usually expressed as a percentage of average male earnings. The formula may look as follows: ((Average male earnings - Average female earnings) / Average male earnings) * 100%. This measure is general in nature and does not account for a number of important factors that may affect pay differences, such as: Individual employee characteristics: age, education level, qualifications obtained, years of service, professional experience.

• Employment specifics: industry and sector of economy (public vs. private), occupation performed, position held and level in hierarchy, working time (full-time vs. part-time), type of employment contract.

• Structural differences in the labor market: e.g., greater concentration of women in lower-paid sectors or occupations (so-called horizontal segregation) or lower representation of women in managerial positions (so-called vertical segregation). Despite these limitations, the unadjusted pay gap is an important indicator signaling general inequalities and unequal position of women in the labor market. It indicates that women as a group earn on average less than men, which may result from a complex interaction of many factors, including potential discrimination, but also structural barriers, stereotypes, or differences in educational and career choices. Its public monitoring increases problem awareness and stimulates debate on gender equality.

• Adjusted pay gap: This is a more advanced and analytically more insightful measure. It results from applying advanced statistical methods (most often multiple regression models) that allow “adjusting” or “cleaning” the raw pay gap from the influence of various objective, measurable factors that can legally and justifiably affect pay levels. Such factors, which are controlled in the analysis, include the already mentioned: Demographic and educational characteristics: age, level and field of education.

• Professional experience: overall work experience, tenure with current employer, experience in given position.

• Workplace characteristics: industry (e.g., manufacturing, services, finance), sector (public/private), company size (small, medium, large), geographical region.

• Position characteristics: position held in organizational hierarchy, type of occupation performed, working time, type of contract. If even after statistically accounting for and eliminating the influence of all these (or selected, available in the study) factors, a statistically significant difference in remuneration between women and men is still observed, this remaining, “unexplained” part of the adjusted pay gap may with much greater probability indicate the existence of hidden, less tangible pay discrimination. It may also reflect the influence of other, harder to measure or unmeasurable factors, such as unconscious biases and gender stereotypes in recruitment, promotion, and evaluation processes, differences in negotiating power, different employer expectations of women and men, or undervaluation of competencies and work stereotypically considered “female.” The adjusted pay gap is therefore an analytical tool allowing for deeper examination of the causes of inequality, although its interpretation also requires caution and awareness of methodological limitations (e.g., availability and quality of data on all potentially important factors).

According to Eurostat data for 2022, the unadjusted pay gap in the European Union averaged 12.7%. This means that women in the EU earned on average 12.7% less per gross hour than men. In Poland, according to the same data, this indicator was one of the lowest in the entire European Union at 4.9% [External link to Eurostat report: https://ec.europa.eu/eurostat/statistics-explained/index.php?title=Gender_pay_gap_statistics]. However, these data should be approached with great caution and hasty conclusions about the absence of the problem in our country should be avoided. A lower overall, unadjusted pay gap for the entire country does not automatically mean the absence of significant inequalities at the level of individual economic sectors (e.g., in the financial or IT sectors, where the gap is often higher), in specific occupational groups (e.g., among specialists or managers), in enterprises of different sizes, or in individual regions of Poland. The relatively low GPG indicator for Poland may also be partly the result of the specific employment structure - for example, lower overall labor force participation of women compared to men, or their lower representation in some better-paid market segments. It may also result from a higher share of women in the public sector (e.g., education, healthcare), where pay differences are often (though not always) smaller and more regulated than in the private sector. Therefore, it is crucial not only to analyze national indicators but above all to conduct more detailed research and audits at the sectoral, industry, and individual organization level to identify actual problem areas and understand their specifics.

Where are we? The scale of the pay gap problem and its multifaceted consequences

Understanding definitions alone is merely a starting point for a fuller exploration of the pay gap phenomenon. To fully assess the gravity of this problem and its real impact on the lives of individuals and the functioning of societies and economies, it is necessary to examine its actual scale, analyze the dynamics of changes over time, and understand its complex, multifaceted consequences. These consequences extend from the individual level, affecting employees’ financial security and life opportunities, through the organizational level, impacting enterprise efficiency and competitiveness, to the macroeconomic and social level, shaping social structure and overall welfare. For managers, leaders, and HR specialists, including those who draw knowledge and inspiration from EITT resources, a deep awareness of these various implications is absolutely crucial. It enables making conscious, strategic, and operational decisions in the area of human capital management, compensation system design, organizational culture shaping, and building lasting, justice-based competitive advantage.

Regarding detailed analysis of the pay gap in Poland and worldwide and observed trends, as mentioned earlier, the unadjusted pay gap in Poland, according to Eurostat data for 2022, was 4.9% and was among the lowest in the European Union. This information is frequently cited, but it requires deeper context. Data published by the Central Statistical Office (GUS), collected using a different methodology, may present a different, often more concerning picture of the situation. For example, the cyclical GUS study “Wage Structure by Occupation,” whose last edition with full data concerns October 2022, showed that the average gross monthly salary of men was as much as 17.6% higher than the average gross monthly salary of women. Such a significant discrepancy between Eurostat and GUS data results primarily from methodological differences. Eurostat bases its calculations on average gross hourly rates and covers a broader population of employed persons, while the GUS study focuses on average gross monthly salaries and often covers only national economy entities with more than 9 employees, which may exclude some smaller companies where the pay situation may be different. In addition, differences may result from different definitions of remuneration or methods of data aggregation. It is therefore important to remember that no single number fully captures the complexity of the problem, and national averages, regardless of source, can effectively mask significant disparities occurring in individual industries (e.g., in the financial, insurance, or IT sectors, the pay gap is often much higher than the national average), in different regions of Poland, in individual age groups (the gap often increases with age), or at different levels of management hierarchy.

Expert analyses, conducted by both research institutions and non-governmental organizations, often point to disturbing tendencies. The pay gap in Poland tends to deepen with women’s age, which is often explained by the accumulation of effects of career breaks related to maternity and caregiving responsibilities, slower career advancement, and less access to training and development opportunities in later career stages. Paradoxically, the problem of the pay gap may also be more acute among women with higher education - at higher, specialist, and managerial positions, where theoretically competencies should be decisive, pay differences may be proportionally greater. Additionally, the gap is usually more clearly visible in the private sector, where compensation systems are less formalized and transparent than in the public sector, and at the highest managerial positions and corporate boards, where women are still underrepresented.

Globally, the perspective is also not encouraging. According to the cyclical World Economic Forum report “Global Gender Gap Report 2023,” at the current, very slow pace of reducing inequalities, completely closing the global pay gap between women and men will take about 131 more years. This forecast, although it may seem abstract, perfectly illustrates the scale of the challenge and shows that despite growing social awareness, numerous legislative initiatives, and programs supporting gender equality, the problem is far from being solved and requires consistent, multi-level, and coordinated actions on a global, national, and organizational scale. Some positive trends are certainly observable, such as growing pressure for pay transparency (supported by the new EU directive), greater involvement of some companies in implementing Diversity, Equity, and Inclusion (DEI) policies, or growing awareness among employees themselves. Nevertheless, the pace of these changes is still far from satisfactory and disproportionate to the scale of the problem. [External link to GUS report: https://stat.gov.pl/obszary-tematyczne/rynek-pracy/pracujacy-bezrobotni-bierni-zawodowo-wg-bael/struktura-wynagrodzen-wedlug-zawodow-w-pazdzierniku-2022-roku,1,10.html].

Persistent pay inequalities bring with them a series of deep and interconnected negative effects, both economic and social:

• Lower income and worsened financial security for women throughout their life cycle: The pay gap is not just a momentary difference in monthly salary. Its effects accumulate throughout a woman’s working life, leading to systematically lower earnings. This results in fewer opportunities to accumulate savings, lower creditworthiness (making it more difficult to buy a home or invest), greater difficulties in achieving full financial independence, and - which is particularly acute in the long-term perspective - significantly lower pension benefits. Women, due to lower earnings and more frequent career breaks, accumulate lower pension capital, which in old age translates into an increased risk of poverty, especially among single mothers, widows, and women living alone. This in turn makes them more susceptible to social exclusion and dependence on social assistance systems.

• Waste of talent and limitation of economic potential at the macro level: When compensation systems in companies and throughout the labor market do not fully reflect the actual qualifications, competencies, engagement, and contribution of a given person, but instead are burdened with non-merit factors such as gender, this inevitably leads to demotivation, frustration, and lower engagement of employees who feel undervalued. On a macro scale, society and the economy lose enormous potential by not fully utilizing the knowledge, skills, creativity, and innovation of nearly half their population. The World Bank has for years published analyses estimating that the global economy loses trillions of dollars annually due to gender inequality, including the pay gap. These losses translate into lower Gross Domestic Product (GDP) growth, lower competitiveness of economies on the international stage, and slower technological and social progress.

• Impact on individual career, educational, and family decisions: Entrenched and widely observed pay inequalities can significantly influence women’s individual decisions regarding educational paths (e.g., abandoning technical, engineering, or exact science fields - so-called STEM - which are perceived as “male” and better paid, in favor of humanities, pedagogical, or care-related fields, often considered “female” and lower paid, even if they require similar intellectual effort) and further career paths (e.g., more frequent choice of work below qualifications but offering greater flexibility or closer to home, accepting lower starting salaries, or lower propensity to take professional risks and negotiate pay conditions). These inequalities can also influence the traditional division of household responsibilities, where the lower-earning person (statistically more often a woman) is more likely to give up professional work or reduce its scope in favor of caring for children, elderly, or other family members requiring support.

• Deepening social inequalities and intergenerational inheritance of unfavorable patterns: The pay gap is one of the key factors perpetuating existing social inequalities and limiting social mobility, i.e., the possibility of economic and social advancement regardless of origin. Children, especially girls, raised in families where the mother earns significantly less than the father or is economically inactive due to market barriers or care responsibilities, may internalize observed patterns and perceive them as natural or inevitable. This can influence their future educational choices, career aspirations, self-esteem, and expectations of the labor market and life partners, leading to reproduction of inequalities in subsequent generations.

For managers and leaders whose actions are strongly focused on operational efficiency, growth, and organizational development, it is crucial to fully understand the fact that ignoring or trivializing the pay gap problem in one’s own structures can lead to very measurable, negative consequences for the company itself:

• Loss of top talent and growing difficulties in recruitment processes: Companies perceived in the market as not caring about pay equality, fair treatment, and transparent compensation systems will have increasing problems attracting and, equally importantly, retaining the best, most talented employees. This particularly applies to representatives of younger generations (Millennials, Generation Z), for whom issues such as fairness, ethics, company values, organizational culture based on respect and inclusion are equally important, and sometimes even more important, than salary itself. In today’s “war for talent,” a company’s reputation as an employer caring about equality is becoming a key element of competitive advantage. Costs associated with high employee turnover (loss of knowledge, recruitment costs, and onboarding new employees) can be significant.

• Reduced engagement, declining motivation, and lower employee productivity: The feeling of being unfairly compensated, undervalued, or discriminated against based on gender is one of the strongest known demotivators in the workplace. It leads to declining morale, reduced loyalty to the company, less engagement in duties performed, and consequently directly translates into declining individual and team productivity, deteriorating work quality, and less willingness to take initiative and be innovative.

• Increased reputational and legal risk, including severe financial penalties: In the era of ubiquitous social media, employer review portals (such as Glassdoor or local equivalents), and growing social awareness and sensitivity to discrimination issues, information about unequal treatment or pay discrimination in a given company can spread instantly, seriously damaging its image and brand. Rebuilding damaged reputation is a lengthy and costly process. Moreover, with the introduction of new, more rigorous legal regulations (such as the mentioned EU Pay Transparency Directive, which imposes specific reporting obligations and sanctions on companies for non-compliance with pay equality principles), the risk of costly litigation with employees, administrative proceedings by supervisory authorities, and severe financial penalties is increasing.

• Stifled innovation and reduced creativity in teams: Numerous scientific studies and business analyses clearly show that teams characterized by high diversity (including gender diversity) and operating in an inclusive culture where all members feel valued, respected, and fairly treated are significantly more innovative, creative, and more effectively solve complex problems. The pay gap and accompanying feelings of injustice are the antithesis of such a culture, inhibiting free exchange of ideas, limiting perspectives, and preventing full utilization of all employees’ potential.

• Difficulties in building and maintaining a strong, positive employer brand (Employer Branding): In today’s extremely competitive labor market, companies that actively and authentically care about equality, diversity, transparency, and fairness gain a significant advantage as employers of choice. Investment in fair and transparent compensation systems, free from gender discrimination, is a key and indispensable element of building an attractive, credible, and consistent employer brand that attracts and retains the best.

Summarizing this part, conscious management of pay policy, including regular pay audits, active pursuit of eliminating unjustified pay differences, promoting transparency in pay criteria and career paths, and systematic monitoring of the company’s situation, is not merely a “cost” or administrative burden. It is a strategic, long-term investment in the most valuable capital of any organization - its people - an investment that brings measurable, long-term benefits to every modern, responsible, and forward-thinking organization.

Summary: the first step on a long road - deep understanding of the pay gap problem

The pay gap between women and men is an extremely complex, multidimensional phenomenon deeply rooted in socio-economic structures. It goes far beyond simple arithmetic of comparing average wages and cannot be reduced to a single, easily identifiable cause. It is primarily a synthetic indicator of the existence of deeper structural inequalities, outdated cultural barriers, entrenched stereotypes about gender roles, and unconscious biases that are still present in the labor market and in decision-making processes within organizations. The consequences of this state of affairs are real, often very acute, and felt at many levels - from individual financial security and development opportunities of individuals (especially women), through impact on their families, to the efficiency of enterprise operations, economic competitiveness, and overall social cohesion.

Therefore, the key to taking any effective action is a deep understanding of the fundamental difference between the legally binding and absolutely applicable principle of “equal pay for work of equal value” (violation of which constitutes direct discrimination) and the statistical measurement of the “pay gap” (both in its raw, unadjusted version and the more analytical - adjusted version). Equally important is awareness of the actual scale of the problem, the ability to critically interpret available statistical data (taking into account their methodological limitations), and full understanding of the negative, multifaceted effects of persistent pay inequalities. It is these elements - reliable knowledge and deep awareness - that constitute the first and absolutely necessary step on the long and demanding road to building more just, transparent, and consequently more effective, innovative, and competitive workplaces. At EITT, we strongly encourage all managers, leaders, and HR specialists to engage in deeper, critical reflection on how these complex and multifaceted issues relate to the specifics and realities of their organizations’ operations and what concrete, even small, actions can be taken today to actively contribute to promoting a culture of equality and truly leveling the playing field.

(CTA) - what’s next? Reflection and preparation for next steps

Understanding definitions, measurement methodology, the scale of the problem, and its extensive consequences, which we have tried to present in detail in this article, constitutes a necessary foundation for further, more targeted and effective actions. However, this is only the beginning of the journey. In the next article in our series devoted to pay gap issues, we will delve into the equally complex and multidimensional causes of this phenomenon - from historically shaped occupational and sectoral segregation of the labor market, through the disproportionate impact of maternity and traditionally assigned female caregiving responsibilities, to subtle yet extremely powerful mechanisms of unconscious biases, gender stereotypes, and cultural norms.

Already now, as you finish reading this introduction, we warmly encourage you to engage in internal reflection and preliminary diagnosis of the situation in your immediate professional environment:

• In your subjective assessment, or perhaps based on available internal data, is the pay gap a significant, discussed, or perhaps hidden problem in Polish companies you deal with?

• What, in your opinion, might be the main, most visible or most acute sources of potential pay inequalities in your industry, sector, or specific organization? Are these issues related to recruitment, promotion systems, access to training, organizational culture, or perhaps other factors?

• Are any actions being taken in your company to monitor or reduce the pay gap? If so, what actions and what effects are they bringing? If not, what stands in the way?

Read Also

• A Deeper Look at the Pay Gap: Extended Analysis of Hidden Causes of Pay Inequality
• Gender Pay Equality – Why Does the Pay Gap Still Exist?

Read also

• Gender Pay Equality – Why Does the Pay Gap Still Exist?
• A Deeper Look at the Pay Gap: Extended Analysis of Hidden Causes of Pay Inequality
• What is a Forensic Audit? Definition, Methodology, Application, and Impact on Organizational Security

Develop your skills

Want to deepen your knowledge in this area? Check out our training led by experienced EITT instructors.

➡️ IBM Spectrum Scale Advanced Administration for Linux — EITT training

Frequently Asked Questions

What is the difference between the gender pay gap and unequal pay for equal work?

The gender pay gap measures the overall difference in average earnings between men and women across an organization or economy, regardless of role. Unequal pay for equal work is a specific legal concept referring to different pay for the same or equivalent job, which is prohibited by law in most countries.

How is the gender pay gap measured?

The most common measure is the unadjusted (raw) gender pay gap, calculated as the percentage difference between average male and female gross hourly earnings. The adjusted gap controls for factors like occupation, experience, and working hours, and is typically smaller but still significant in most countries.

What organizational impact does a persistent pay gap have?

A persistent pay gap reduces employee engagement and trust, increases turnover among affected groups, damages employer brand reputation, and limits the talent pool. Research consistently shows that organizations with smaller pay gaps outperform peers in innovation, productivity, and long-term financial performance.

Why should company leaders prioritize addressing the gender pay gap?

Beyond legal compliance with upcoming EU directives, closing the pay gap directly benefits the business. It improves retention rates, strengthens recruitment competitiveness, boosts team morale, and signals organizational maturity. Companies that act proactively gain a significant advantage over those forced into reactive compliance.