Without pay transparency, there is no social sustainability.

For years, social sustainability was seen within companies as a reputational add-on. Today, however, the debate has shifted radically. The most recent data from the European Parliament shows that the gender pay gap remains a structural reality, with women earning, on average, 12% less per hour in the European Union (2023 data). In Portugal, the gap stands at 8.6%—still significant in a country that has been striving to distinguish itself in terms of equality.

Faced with such clear figures, it has become impossible to separate social sustainability from pay equity. After all, compensation is the most objective indicator of how an organization values people’s contributions—and it is precisely here that the asymmetries the European Union is trying to correct persist.

Structural inequality, not accidental

The European Parliament’s official page identifies multiple causes behind the persistence of the pay gap:

• Differences in the sectors where men and women work—with more women concentrated in lower-paying sectors;
• Leadership roles still largely occupied by men;
• More frequent career interruptions among women;
• A higher prevalence of part-time work, also among women;
• The historical undervaluation of highly feminized professions.

In other words, this is not a statistical deviation, but a system that continues to reproduce deep and complex inequalities. Added to this is a particularly concerning fact: the pay gap tends to widen with age and later translates into an even larger pension gap—where women receive, on average, 28.3% less than men in the EU (2020 data).

Talking about social sustainability without addressing this reality is therefore insufficient.

The EU Pay Transparency Directive: finally shedding light on what was hidden

To tackle this long-standing issue, the EU approved Directive (EU) 2023/970, requiring employers to bring their pay practices into the open:

• Provide salary ranges in job postings;
• Offer objective and gender-neutral criteria for pay determination;
• Eliminate pay secrecy;
• Allow employees to request information on pay differences;
• Conduct pay assessments when gaps exceed 5%.

These measures are not mere bureaucratic adjustments. They are a catalyst to ensure that pay equity moves from an abstract principle to a measurable practice—with a direct impact on credibility, internal trust, and companies’ social sustainability.

Why does this matter for companies that aim to be sustainable?

Because no organization can claim to care about people if it does not start with the basics: paying fairly. And because the economy is increasingly dependent on the ability to attract, motivate, and retain talent—especially in a context where women continue to face pay and progression barriers, younger generations demand ethics, consistency, and responsibility, and corporate reputation has become a decisive competitive asset.

Pay transparency is more than an obligation; it is a test of organizational maturity.

The European Parliament’s data is unequivocal: the pay gap has not disappeared—it has simply taken on new forms. But the new Directive makes it impossible to continue ignoring it.

Companies that embrace this shift will gain more than legal compliance: they will build more motivated teams, stronger cultures, and a more compelling employer brand. Those that resist will inevitably fall off the radar of the talent that will shape the future—because there is no social sustainability without pay transparency.