Birth Order and Academic Expectations: Why Firstborns Carry a Different Burden in HK Families

When I first started working with families in Hong Kong, I noticed a pattern that kept repeating across very different families: the firstborn child almost always came to therapy carrying more. More anxiety about school performance, more shame about academic setbacks, more internalised responsibility for how the family perceived itself through educational outcomes. It took me several years of practice and a careful reading of the developmental psychology literature to understand what I was seeing.

Birth order research has had a complicated history. The popular simplifications — "firstborns are ambitious, middle children are peacemakers, youngest children are free spirits" — are overstated and culturally unexamined. But the underlying evidence for birth order effects on academic achievement and the parental expectations that drive them is more robust than the pop-psychology backlash suggests.

Frank Sulloway's foundational work on birth order established that firstborn children are consistently more likely to achieve in conventional academic domains and more likely to internalize parental values around achievement. Peri Nyer and later researchers refined this, showing that these effects are mediated primarily by parental investment patterns — not genetic or fixed personality traits, but the lived experience of being the recipient of different kinds of parental attention at different stages of a family's development.

In Hong Kong, these dynamics are amplified by several structural factors that make the first child's experience meaningfully different from what research conducted in Western contexts might predict.

The first is the projection of parental ambition onto an untested canvas. With a firstborn, parents have not yet had the experience of a real child — only an imagined one, usually constructed from the best available hopes. Everything is possible. The school choices feel more open. The pressure to demonstrate early competence is often highest, because it is the firstborn's achievements that establish whether the family's educational approach is working. I hear this explicitly from parents in my practice: "With my first one, I was trying to prove something. With my second, I already knew what worked."

The second factor, which I think is underappreciated, is the role of the extended family. In Chinese family structures, the firstborn child — and especially the first son, though this is shifting in Hong Kong — carries specific representational weight. They are the family's initial public offering, in a sense. The grandparents, the aunties and uncles who ask about school at New Year, the wider clan network: they are all watching this child first. The parents feel this watching. The child, even very young, often senses it.

A family I worked with had three children. The eldest daughter, at twelve, had developed what her parents described as "perfectionism that had gone too far." She would rewrite homework repeatedly until it was physically perfect. She had panic attacks before exams. She could not tolerate getting things wrong in any context. Her younger siblings, the same parents and same household, were comparatively relaxed about school.

What had happened was not that this girl was inherently more anxious than her siblings. It was that she had been the family's learning ground. Her parents' first experiments in academic pressure had been conducted on her, in the years before they understood the consequences. By the time the younger children arrived, the parents had recalibrated — partly because they'd been through therapy, partly because they'd simply had time to develop more relaxed expectations. The youngest child was essentially growing up in a different family, despite identical parentage.

This asymmetry is not a product of parental malice. It is a product of the simple fact that first-time parents are not yet experienced parents. All the research, all the books, all the advice from other parents — none of it is the same as having actually navigated a real child through the system. Firstborns pay the cost of their parents' learning curve.

What can families do with this awareness?

For parents of firstborns, the most useful practice is regular checking in — not with the child about their performance, but with yourselves about what you're actually asking for and why. Is the anxiety you feel about your firstborn's reading level a reasonable response to a real concern, or is it fuelled by uncertainty about whether you're doing this right? The two feel identical from the inside but require completely different responses.

For families where the firstborn already carries the weight I've described — where they've become the container for family anxiety about achievement — the work is often about explicitly relieving them of a responsibility they never agreed to. This can be done directly: telling an older child, plainly and repeatedly, that their school results are not responsible for how the family feels. That they can fail tests and remain fully loved and valued. Children can receive this, but it needs to be said more than once, and backed up by consistent behaviour rather than contradicted in practice.

Birth order is not destiny. But it is a real and often invisible force in family dynamics, and understanding it is the first step toward intervening in patterns that would otherwise repeat without examination.

The firstborn child sitting across from me in therapy is rarely struggling because of something wrong with them. They are usually struggling because they were asked, very early on, to carry something that was never theirs to carry. My job — and the family's job — is to help them put it down.