Only Child Myths: What Research Really Says

The short answer: an only child isn’t spoiled by being the only one. A child is spoiled by having no limits. Warm, steady relationships and clear rules matter far more than siblings.

“Just the one?” the woman at the park asks. “Don’t you want to give her a brother or sister?”

Many parents of only children have heard this question many times. Sometimes it is kind curiosity. Sometimes it carries a small judgment. And sometimes it lands on a raw place: a parent who wanted more children and could not have them, a parent who chose one child for good reasons, or a parent raising one child alone after separation.

Under the question there is often an old belief: that only children miss out, or turn out worse.

My view: a child is not spoiled by being the only one. A child is spoiled by having no limits. The real risk for an only child is not the missing sibling. It is the parent who gives everything, all the time, because there is only one to give to. Watch for the signs: a child who treats you as an equal, who is rude to people, whose wishes have no ceiling, who believes anything arrives the moment they get angry. Teach value, give responsibility, and an only child does as well as any other. Here are the common myths, and what research suggests.

Myth 1: “Only children are spoiled.”

What we know: This is one of the oldest stereotypes, and research has not supported it. In a well-known review of 115 studies, Toni Falbo and Denise Polit found that only children were generally similar to children with siblings, and in some areas, such as achievement, slightly ahead (Falbo & Polit 1986). A later review of personality traits found no support for the idea that only children are maladjusted from being pampered.

An only child may get more attention and resources. That is not the same as being spoiled. Spoiling depends on how limits are set, not on how many children are in the house.

Myth 2: “Only children are lonely.”

What we know: Some only children do feel lonely at times. So do many children with siblings. Loneliness depends far more on whether a child has friends, warm relationships, and things to do than on whether they have a brother or sister.

Many only children have close friendships, cousins, neighbours and classmates who fill similar roles to siblings.

Myth 3: “Only children can’t share or get along with others.”

What we know: One study found that kindergarteners without siblings were rated by teachers as having slightly poorer social skills. But a later study by the same research group, of more than 13,000 students in grades 7 to 12, found that only children were chosen as friends by their schoolmates just as often as children with siblings. In the researchers’ words, “siblings had no impact on how popular a student was among peers” (Ohio State University, on Bobbitt-Zeher & Downey).

What helps is practice. Playdates, group activities, nursery or school, and family friends all give only children chances to share, negotiate and resolve conflict.

Myth 4: “Only children are selfish.”

What we know: The large reviews by Falbo and Polit found no support for the picture of the pampered, self-centred only child. The one difference that stood out was slightly higher achievement motivation, which the authors linked to parents’ resources and attention.

Kindness, empathy and generosity are learned in many ways: through how parents treat others, through friendships, through responsibilities at home. They do not require a sibling.

Myth 5: “Only children are under too much pressure.”

What we know: This one has a grain of truth. With only one child, all of a parent’s hopes, worries and attention can land in one place. Some only children feel this as pressure to succeed, to be good, or to make a parent happy.

That is especially true in a single-parent home, where the child and parent may be very close. Closeness is a gift. But it helps to watch that the child is not carrying adult worries, or feeling responsible for a parent’s happiness.

What actually matters

For only children, as for all children, what matters most is not family size. It is:

• warm, steady relationships with their parents and other adults;
• friendships and time with other children;
• clear, kind limits, so they learn that the world does not always say yes;
• responsibilities at home, so they feel useful and capable;
• room to be a child, not a parent’s companion or confidant in adult matters.

Only child, single parent

When a parent raises one child alone, the two of them can become a small, tight team. That can be beautiful: shared jokes, shared routines, a deep understanding of each other.

It also needs a little care. Make sure your child has other adults and children in their life, and that they are not asked to be your best friend, your counsellor, or your partner in worry. Keep some adult conversations for adults. A child who knows the parent has other support is freer to just be a child.

For the parent who wanted more

If you have one child but wanted more, the comments can hurt. You do not owe anyone an explanation. “We’re very happy with our family” is a complete answer.

And if your only child is the result of separation, illness, money, or circumstances you did not choose, it may help to know this: research does not suggest your child is missing out in the ways the myths claim. A child who is loved, guided, and given chances to connect with others can grow up well, as an only child.

When to look closer

If your child seems very lonely, struggles a lot with friendships, or seems anxious or low, it is worth talking to their teacher or doctor. These difficulties can happen to any child, with or without siblings.

One small step

This week, look at your child’s week. How many chances do they have to play with other children outside school? If it is few, add one: a playdate, a club, a cousin visit, a regular trip to the park.

Then notice what you already give them: your time, your attention, your love. That is not too much. It is enough.

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Next step

Check the balance. A few short questions about your child: is giving going too far, is time too short, or both? Get one step for tonight and a 7-day sheet. Balance Check →

Sources

• Falbo, T. & Polit, D. F. (1986). Quantitative review of the only child literature. Psychological Bulletin, 100(2), 176–189. DOI
• Polit, D. F. & Falbo, T. (1987). Only children and personality development: a quantitative review. Journal of Marriage and the Family, 49(2).
• Ohio State University News (2010). Growing up without sibs doesn’t hurt social skills, on Bobbitt-Zeher, D. & Downey, D. B. news.osu.edu