For more than a decade, policymakers have insisted that the gender imbalance in STEM is a problem waiting to be solved.
Change the culture, showcase role models, adjust incentives, and equality of outcome will follow. It hasn’t.
The latest data from Ireland and the UK between 2022 and 2025 suggests the reason may be simpler—and more uncomfortable—than many would like to admit. Start with what is no longer in dispute: women are not being excluded from higher education.
In Ireland, women made up 54.5% of all students in 2022/23, and an even higher 55.2% of PhD students.
In the UK, the trend is stronger still: 57% of all university students were female in 2023/24, a figure that has barely changed since 2016.
This is not a system failing women. It is a system they dominate. And yet, turn to STEM—and the narrative collapses.
In Ireland, the Higher Education Authority reports that 43% of men entering university choose STEM, compared with just 19% of women (2023 data).
In the UK, only 31% of STEM students were female in 2022/23, and in computer science that falls to just 23%.
The pattern is clear, consistent, and—crucially—persistent. After years of campaigns, funding, and institutional pressure, the gap remains.
So what has gone wrong?
The answer depends on whether you believe the gap is caused by discrimination—or by difference.
Official policy has firmly backed the first explanation. Initiatives such as Athena Swan, embedded across British and Irish universities over the past decade, are built on the assumption that unequal outcomes must reflect unequal opportunity. The solution, therefore, is to engineer balance—through targets, incentives, and structural reform.
And in some respects, it has worked.
Female participation in advanced STEM study has risen. Representation on committees has improved. Institutional metrics look better than they did ten years ago.
But beneath those headline gains, the underlying reality has barely shifted.
Women still overwhelmingly cluster in health, education, and life sciences. Men still dominate engineering, computing, and technical fields. Even within STEM, the divide persists—biology is female-majority, engineering remains heavily male.
The pipeline has not changed. It has been managed. This matters, because pipelines have consequences.
When fewer women choose a given field at entry level, achieving parity further up the system becomes a question not of encouragement, but of allocation. Places in PhD programmes, research posts, and academic roles are finite. Shift the balance at one stage, and pressure inevitably builds somewhere else.
That is where today’s policies begin to look less like equality—and more like intervention.
And it is here that the debate becomes politically charged.
Critics argue that the problem lies in a basic assumption: that men and women, given identical conditions, will make identical choices. Yet the data—from Ireland to the UK and beyond—suggests otherwise. Preferences appear to diverge early and remain remarkably stable over time.
Even in the workplace, the same pattern holds. As of December 2024, women made up just 27.6% of the UK STEM workforce, despite decades of targeted policies.
The gap is not closing in any dramatic sense. It is inching.
This does not prove that discrimination has disappeared. It hasn’t. Nor does it suggest that reform is unnecessary. Equal pay, fair hiring, and respectful workplaces are fundamental—and non-negotiable.
But it does raise a more difficult question: What if equality of opportunity does not—and never will—produce equal outcomes?
If that is true, then policies designed to force parity risk missing the point. Worse, they risk creating a new set of grievances—particularly among men who increasingly believe that merit is no longer the only factor at play.
That perception may be uncomfortable. It may even be overstated. But it is real—and growing.
Meanwhile, universities themselves are changing in ways far more profound than any diversity metric can capture. Attendance is falling. Engagement is uneven. Campuses are increasingly transactional rather than intellectual spaces.
And yet the policy focus remains fixed on percentages. There is a certain irony in all this.
At a time when higher education faces questions about relevance, value, and purpose, its leaders are consumed by numerical balance—often at the expense of deeper reflection about what students actually want, and what society actually needs.
The pursuit of equality is admirable. The assumption of identical outcomes is not.
Until that distinction is confronted—honestly, and without ideological blinders—the numbers will not change.
And neither will the argument.
Séamus Clarke is an Irish academic working in a third-level institution. He writes here under a pen name.