"She's looking at me!"

"He touched my stuff again!"

"That's not fair! You always let her do whatever she wants!"

Sibling conflict occurs, on average, 3.5 times per hour in families with young children. That's the statistic from verified research. Your kids really are fighting that much.

In my decades working as a behavioral OT, I've seen every flavor of sibling rivalry imaginable. The constant bickering. The physical fights. The jealousy. The tattling. The feeling that you're running a referee service instead of a family.

But sibling rivalry doesn't have to define your home. Let me show you how.

What Is the Cause of Sibling Rivalry?

Sibling rivalry can begin as early as the birth of the second child. That adorable toddler who seemed excited about the new baby? Give it a few weeks. Once they realize this tiny human is staying and taking up a lot of Mom and Dad's attention, the rivalry often kicks in.

The Root Causes of Sibling Conflict

Competition for parental attention: Children are hardwired to seek their parents' attention because historically, attention meant survival. When multiple children compete for limited parental resources (time, energy, focus), conflict erupts.

Developmental differences: A 10-year-old and a 5-year-old are at completely different developmental stages. They have different needs, abilities, and ways of processing. What feels fair to one feels completely unfair to the other.

Personality clashes: Sometimes siblings just have conflicting temperaments. The child who needs quiet to focus versus the child who needs noise and movement. The rule-follower versus the risk-taker. These differences create natural friction.

Inconsistent boundaries: When rules aren't clear or aren't enforced consistently, children test them through conflict with each other.

Individual struggles: Sometimes what looks like sibling rivalry is actually one child struggling with anxiety, sensory processing issues, or emotional regulation challenges. Or the child could be struggling academically or socially, whereas their sibling isn't. They act out on their sibling because they're uncomfortable in their own body and mind.

In my practice, I often see families where the 'sibling rivalry' is actually one child's nervous system in overdrive. They're not trying to be difficult. They're dysregulated and their sibling is the closest target.

Is Sibling Rivalry Normal?

Yes! Sibling rivalry at some level, is generally a given.

Before we dive into strategies, shift your perspective on sibling conflict. Yes, it's tough, but it can be used as a medium to teach them life skills such as:

• Compromise

• Perspective-taking

• Emotional regulation

• Negotiation

• Problem-solving

• Empathy

Your kids won't learn these skills from textbooks. Squabbling (again) over who gets the iPad first? You can use that to teach them invaluable relationship skills.

Step 1: Invest in Connection Time

a) Connection Between You and Your Child

You may be doing this already. But some children need more attention than others. This doesn't need to be elaborate outings or hours of structured activities. Just pockets of focused, positive connection throughout the day.

What this looks like:

• 4 minutes reading an article together

• 20-minute trip to the grocery store (just you and one kid)

• 30 seconds sharing a quick joke

• 10 minutes playing a game they choose

• 10-15 minute bedtime chat about their day or whatever they want to talk about

The key: Your full presence. And holding the space for them - just be with them and their feelings without trying to solve or fix anything.

How much time? Meet them where they are, what they are comfortable with, and adjust as necessary.

Parents often tell me they already give their difficult child tons of attention. But when we dig deeper, that 'attention' is often managing behavior, correcting, redirecting. That's not connection. Connection is positive, playful presence with no agenda except being together.

b) Connection Between Siblings Who Fight

If your kids have one sibling they constantly clash with, create opportunities for positive connection between those two children specifically.

How to do it:

• Choose activities that both children genuinely enjoy

• Keep it short (5-10 minutes initially)

• Stop before they get on each other's nerves

• Gradually increase the duration as they show they can handle it

Examples:

• Quick card game

• Building something together with Lego

• Making cookies (specific tasks for each child)

• Playing outside (tag, catch, hide and seek)

• Watching a short video, they both like

The goal is a positive association. When siblings have regular pleasant experiences together, it counterbalances the negative ones.

Step 2: Set Clear Rules for Conflict

Children need to know what's acceptable and what's not when they disagree.

Sample house rules:

These could include things like no physical fighting, no name-calling or insults, no yelling in each other’s faces

How to implement:

• Explain rules when everyone is calm (not mid-fight)

• Have children repeat rules in their own words

• Post them somewhere visible

• Review periodically

• Enforce consistently

What happens when rules are broken: Consequences should be immediate and consistent. If physical fighting occurs, both children separate to cool down. No lecture. No negotiation. Just "You both know the rule. Go to your rooms until you're calm enough to talk."

Important: The consequence is separation and cooling down, not punishment. You're teaching them to regulate before engaging, not shaming them for having conflict.

Step 3: Handling Conflicts

After implementing steps 1 and 2, if your kids are fighting, don’t get involved (unless letting them ‘fight it out’ will end up in a trip to the Emergency Room). If you do still feel the need to step in, separate them into different rooms (it doesn't need to be their bedrooms).

Resist taking sides (unless it’s a medical emergency). When you take sides, the child who feels you sided against them experiences it as favoritism. That fuels resentment and often intensifies rivalry. Rather, listen to both sides (you may need to hear what each has to say separately), validate them, and hug them (or whatever works best for that particular child).

After not getting involved in their fights for a few weeks, you may be ready for the next stage: teaching them how to express themselves and problem-solve in situations where they are angry, annoyed, or upset.(Note: ensure you are calm enough to engage with them. If you need to take a few deep breaths, or whatever your go-to is, do that first. If your heart is still racing, rather postpone this to another time. There will be other times when your kids fight (trust me, there will be!) that you can use to teach them these skills.

Now it’s time to engage in a conversation with your children (heads up: they generally don’t like it, at least not initially).

The first conversation would look something like this:

• Allow the younger child to speak first and express what is bothering them. It’s important to make it clear that the other child cannot interrupt. And also, no name-calling!

• When the younger child has finished speaking, ask the other child to repeat what the younger child said (or you can do this step) and ask if they understood.

• Now it’s the second child’s turn. As before, they say what is bothering them without the first child interrupting.

• Then the first child (or you) repeats what the second child said, and you ask whether it was understood.

• This may take a few rounds of each child expressing their feelings, listening (without interruptions), and clarifying what was said.

To reiterate, it’s crucial that throughout this, you do not take sides, you do not empathize with one over the other, you just repeat what they said. Nobody interrupts, and there is no name-calling.

Now that both children feel heard, help them find a solution together. You can start the ball rolling by saying: You (Child 1) feel X, and you (Child 2) feel Y. How do you both want to deal with it? If they need prompting, ask open-ended questions. "What do you each want?" "How could you both get some of what you want?" "What are some ways to solve this?"

Let them generate ideas first. Resist jumping in with your solution. Give them space to think creatively. Their solutions might surprise you. If they need help, you can suggest solutions. And they can choose to implement it or not. Regardless of whether they implement it or the conflict is resolved, this starts the process of them being able to problem-solve when things don’t go their way. It’s important to remember that whether they come up with a viable solution, decide to implement it, or whether it works or not, is not the point. It’s OK if it doesn’t work (in fact, there will generally be many trials and errors), which will happen over time. What you are doing is providing the foundation and framework for these crucial skills.

Example scenario: Fighting over the iPad.

Instead of: "You each get 15 minutes, I'm setting a timer."

Try: "You both want the iPad. What are some ways you could work this out?"

Possible kid-generated solutions:

One plays for 10 minutes, then switches

One plays now, one plays after dinner

They take turns choosing games and play together

They use a different device, so both can have screen time

The learning: When children generate their own solutions, they're more invested in making them work. And they're building problem-solving skills for future conflicts.

The Bottom Line

Sibling rivalry is normal. The goal is not to eradicate it, but to channel it. And when you do so, not only will you teach your kids invaluable skills they'll have for life, but also create a connection between your kids that will keep them bonded forever, even if they fight over who gets to seal it 😊

Frequently Asked Questions About Sibling Rivalry

What causes sibling rivalry?

Sibling rivalry often stems from competition for parental attention, developmental differences, personality clashes, or inconsistent boundaries at home. Children are hardwired to seek parental attention, and when multiple children compete for limited time and energy, conflict erupts.

At what age does sibling rivalry start?

Sibling rivalry can begin as early as toddlerhood, often shortly after the birth of a younger sibling, when attention and routines are disrupted. Research shows conflict patterns typically emerge within weeks or months of a new sibling's arrival.

How can parents reduce sibling rivalry?

Parents can reduce rivalry by setting clear conflict boundaries, avoiding favoritism, teaching emotional regulation skills, and facilitating (rather than solving) conflicts between siblings.

Is sibling rivalry normal?

Yes, sibling rivalry is a normal part of growing up in multi-child households. Research shows siblings conflict an average of 3.5 times per hour in families with young children. It becomes a concern when it disrupts family peace, involves chronic aggression, or damages emotional health.

Should parents intervene in sibling fights?

When physical safety is at risk, yes. When one child is significantly younger or more vulnerable, yes. Otherwise, let children resolve smaller conflicts on their own to build negotiation and emotional resilience skills. Constant intervention prevents children from developing problem-solving abilities.

How do I know if sibling rivalry is too intense?

Signs include chronic disrespect, intense jealousy that prevents celebrating each other's successes, isolation of one child, frequent verbal or physical aggression, one child consistently targeting another, or conflict that disrupts the entire family's functioning. These patterns may suggest deeper issues requiring professional guidance.

Why does my child only fight with one specific sibling?

Personality clashes, developmental differences, or unmet emotional needs often cause children to target one particular sibling. The child who constantly provokes might be seeking attention and choosing the sibling most likely to respond. Individual connection time and conflict skills training usually help.

References

Kramer, L. (2010). The essential ingredients of successful sibling relationships: An emerging framework for advancing theory and practice. Child Development Perspectives, 4(2), 80-86. https://doi.org/10.1111/j.1750-8606.2010.00122.x

Dunn, J., & Munn, P. (1985). Becoming a family member: Family conflict and the development of social understanding in the second year. Child Development, 56(2), 480-492. https://doi.org/10.2307/1129734

Perlman, M., & Ross, H. S. (1997). The benefits of parent intervention in children's disputes: An examination of concurrent changes in children's fighting styles. Child Development, 68(4), 690-700. https://doi.org/10.1111/j.1467-8624.1997.tb04230.x

Bank, S. P., & Kahn, M. D. (1982). The sibling bond. Basic Books.

Feinberg, M. E., Solmeyer, A. R., & McHale, S. M. (2012). The third rail of family systems: Sibling relationships, mental and behavioral health, and preventive intervention in childhood and adolescence. Clinical Child and Family Psychology Review, 15(1), 43-57. https://doi.org/10.1007/s10567-011-0104-5