Sibling rivalry: parenting tips by age

If you have more than one child, you have sibling rivalry. It's not a sign you're doing something wrong — it's a sign you have more than one human sharing your attention, your snacks, and your living room.

What causes sibling rivalry

Kids compete for the two things they can never fully control: parental attention and fairness. When either feels scarce, rivalry spikes. Add in different temperaments, ages, and needs, and you have a system designed to squabble.

Tips by age

Toddlers (1-3)

• Narrate rather than judge: "You wanted the truck. He had it first."
• Physically block, don't shame — "I won't let you hit."
• Never force a "sorry" — apology under duress teaches performance, not empathy.

Preschool (3-5)

• Introduce turn-taking with a visible timer.
• Coach the emotion, not the outcome: "You're mad she got the pink one."
• Praise cooperation specifically — "You waited. That was hard."

School-age (5-10)

• Move from referee to coach. "Come back to me when you've each said what you need."
• Family meetings weekly — 10 minutes, one appreciation and one gripe each.
• Solo time with each child, even 15 minutes a week.

Tweens (10+)

• Fewer sides, more skills. Teach conflict language.
• Respect closed doors and separate friend groups.
• Watch for one kid always being cast as "the problem" — that pattern hurts both siblings.

What makes it worse

• Comparing ("Why can't you be more like your sister?").
• Treating siblings identically instead of fairly — kids need what they need, not the same thing.
• Intervening every time. Some friction is how they learn.

When to step in

Any physical harm. Ongoing verbal cruelty. One child consistently dominant, one consistently powerless. Otherwise, staying nearby but silent is often the strongest move.

The long view

Adult siblings who like each other usually grew up feeling equally seen, not equally treated. Your job isn't to be fair — it's to make each child feel deeply known.

For personalised sibling-rivalry scripts in the exact moment, try AskJunie.