Signs of Secure Attachment in Toddlers: 12 Things to Look For

Signs of secure attachment in toddlers include using you as a safe base to explore, coming to you for comfort when hurt or scared and calming with your help, protesting when you leave but recovering, and greeting you warmly when you return.

The signs of secure attachment in toddlers show up in small moments: the glance back from the slide, the run into your arms after a fall, the big grin at pickup. Secure attachment means your child trusts you will be there and uses that trust to explore.

Below: what secure attachment means, 12 signs to look for at ages 1 to 3, how the four patterns compare, which worrying-looking behaviors are normal, how to build the bond (including at daycare), common myths, and when to talk to your pediatrician.

What Secure Attachment Means (and What It Does Not)

Attachment theory began with John Bowlby, who saw a child’s tie to a caregiver as a built-in system whose job is protection: staying close to a trusted adult keeps young children safe. Mary Ainsworth, his colleague, added two key ideas, according to Inge Bretherton’s 1992 history of the field in Developmental Psychology. A securely attached child uses the caregiver as a secure base to explore from and a safe haven to return to for reassurance.

Picture a toddler who wanders to the sandbox, glances back to find you, and runs to you when a dog barks. That loop is the heart of it.

Three things secure attachment is not:

• Not a trait your child is born with: It is a quality of a relationship; a child can relate differently to a parent and a grandparent.
• Not “attachment parenting”: Attachment theory is research; it does not prescribe practices, and secure bonds form under many parenting styles.
• Not a sign that your child never cries: Secure toddlers still cry, cling and have tantrums; they turn to you and can be comforted.

12 Signs of Secure Attachment in Toddlers

These signs draw on attachment research and on milestones the CDC lists for 15 months to 3 years. No single sign is a test: look for the pattern over weeks, not one hard afternoon.

• 1. Uses you as a secure base: Your toddler explores but checks in with a look or a quick trip back to you. The CDC lists “moves away from you, but looks to make sure you are close by” as a milestone by 18 months.
• 2. Comes to you when hurt, scared or sick: After a bump or a loud noise, your child heads for you or reaches up to be held.
• 3. Can be comforted by you: A hug, your voice or your lap helps your child calm down.
• 4. Protests separation, then recovers: Crying when you leave is common. By age 3, the CDC lists calming down within 10 minutes after you leave, such as at a childcare drop off.
• 5. Greets you on reunion: In Ainsworth’s research, secure babies sought closeness or contact when the parent came back.
• 6. Prefers familiar caregivers: Your child may warm up to a new adult but turns to familiar caregivers for comfort.
• 7. Looks to you in new situations: The CDC lists “looks at your face to see how to react in a new situation” as a milestone by 2 years.
• 8. Shows you things: The CDC lists showing you a favorite object by 15 months and pointing to show you something by 18 months.
• 9. Shows affection: Hugs and kisses are on the CDC’s 15-month checklist.
• 10. Expresses a full range of feelings: Joy, frustration and fear show up with you rather than being hidden.
• 11. Notices when others are upset: Pausing or looking sad when someone cries is an early empathy skill the CDC lists by 2 years.
• 12. Plays with curiosity and confidence: When your child feels safe, energy goes into play. The CDC lists noticing other children and joining them to play by age 3. See our guide to cooperative play for how this develops.

Temperament, illness and tiredness all change how a toddler acts; our 2-year-old milestones guide shows what is typical.

Where the Signs Come From: Ainsworth’s Strange Situation

Much of this comes from the Strange Situation, a lab procedure Mary Ainsworth designed for 1-year-olds. Bretherton describes it as about 20 minutes and eight short episodes in a playroom: a stranger joins parent and child, the parent leaves briefly and returns, the child is briefly alone, then the stranger and finally the parent come back. The reunions matter most.

A 2019 review in Children and Youth Services Review by White, Gibson and Wastell notes it is designed to cause mild distress in infants about 12 to 18 months old, and that its categories are technical research terms for coding behavior in that one situation. It is a research tool, not a home test or a diagnosis.

In Ainsworth’s Baltimore families, the majority of babies were classified as secure. She described two insecure patterns, avoidant and ambivalent (also called resistant). Later, Mary Main and Judith Solomon described a fourth category, disorganized, for children who showed brief contradictory or fearful behavior that did not fit the other three patterns.

Secure vs Insecure Attachment: How the Patterns Compare

The right-hand column is a careful everyday translation with a big caveat: each behavior also shows up in secure toddlers who are tired, sick, shy or having a bad day.

White, Gibson and Wastell note that disorganized behaviors are usually brief and tend to be relationship specific rather than a fixed trait of the child. ZERO TO THREE adds that the original research was culturally narrow and that labeling a child from one stressful interaction can mislead. Talk with a professional instead of self-diagnosing.

Normal Toddler Behavior That Is Not a Sign of Insecure Attachment

The American Academy of Pediatrics (AAP) calls separation anxiety “entirely normal behavior and a beautiful sign of a meaningful attachment.” Many toddlers start having trouble at 15 or 18 months, the AAP notes.

• Crying at daycare or preschool drop-off: Expected, especially in the first weeks. Watch how your child does after you leave.
• Clinginess during change: A move or a new sibling often brings a clingy stretch: your child is using you as a safe haven.
• Stranger shyness: Hiding behind your leg with a new adult is typical.
• Tantrums: A child who falls apart with you and lets you help them recover is showing trust.
• Bedtime protests: Wanting you at night often rises with separation anxiety; see separation anxiety and sleep.
• Ignoring you at pickup for a moment: A short delay is not avoidance; researchers mean a consistent pattern of turning away when upset.

The AAP suggests a short, consistent goodbye ritual, full attention before you go, always coming back when you promised, and explaining your return in your child’s terms, such as after nap. More in separation anxiety in toddlers.

How to Build Secure Attachment With Your Toddler

Secure attachment grows out of ordinary daily care, not special products or programs.

• Respond sensitively and reliably: Bretherton explains that attachment quality depends on everyday interaction, especially the caregiver’s sensitivity to the child’s signals.
• Play serve and return: When your toddler points or brings you a toy, respond with a look or words. ZERO TO THREE lists these back-and-forth exchanges as a building block of secure attachment.
• Repair after hard moments: ZERO TO THREE explains that missed cues can rupture trust, and intentional repair, acknowledging what happened and responding warmly, can restore it. “I yelled, and that was scary. I’m sorry. I’m here.” is repair.
• Keep routines predictable: ZERO TO THREE also lists following through on routines and promises and setting clear boundaries.
• Name feelings: “You’re sad the park is closing.” Picture books help too; see feelings books for children.
• Comfort first, teach second: Help your child calm, then address the behavior. A calm down corner you share makes it a habit.
• Set warm limits: Secure does not mean permissive. Warmth plus firm, kind limits is the core of authoritative parenting and gentle parenting. Redirection techniques let you hold a limit without a power struggle.

Daycare, Grandparents and Multiple Caregivers

Toddlers can form attachments to more than one person. Bretherton describes a hierarchy of attachment figures that can include fathers, grandparents, siblings and daycare providers, and notes that attachment theory does not require caregiving to be done by mothers.

The NICHD Study of Early Child Care, run by a National Institutes of Health institute, found that family and parenting factors were generally stronger predictors than child care, and the quality of mother and child interaction was one of the most consistent predictors, including of attachment security. Its 2006 summary reports that children were somewhat more likely to be insecurely attached when lower-quality care, or more than 10 hours of care a week, was combined with lower maternal sensitivity. It also stresses that these findings are associations, not proof of cause.

Choose warm, consistent care, keep drop-offs short, and protect connected time at pickup and bedtime. For low-key social time, see what a play date is and how to host one.

Myths About Attachment

Whatever you decide about sleep, babies under 12 months should sleep alone, on their back, on a firm, flat, bare surface.

Can You Tell if Your Toddler Is Securely Attached at Home?

You can notice patterns, but you cannot classify your child; researchers caution against using attachment categories as a diagnosis. ZERO TO THREE notes that secure attachment is optimal but not the only indicator of a healthy child.

Ask instead: When my child is upset, do they come to me, and does my comfort help? If often not, raise it with your pediatrician.

Related Betteroo Guides

• Separation Anxiety in Toddlers
• Gentle Parenting
• Authoritative Parenting
• Cooperative Play
• What Is a Play Date?
• Does Sleep Training Work?

When to Talk to Your Pediatrician

Most clingy or teary phases are normal. Talk with your pediatrician if, over several weeks:

• Your child rarely seeks comfort from any familiar caregiver when hurt, scared or sick.
• Your child shows little response to caregivers, or rarely looks to you, shares things or shows affection.
• Your child seems frightened of a caregiver, or freezes or seems confused when approached.
• Your child has lost skills they once had, such as words, play or affection.
• You are concerned your child is not adapting to time apart, even with consistent routines.
• Your child has been through a major separation, loss, hospital stay, foster care or other trauma, and you want support.

The CDC advises: if your child is not meeting milestones, has lost skills, or you have other concerns, talk with your doctor, ask about developmental screening, and, if needed, ask for a referral and contact your state’s early intervention program. Do not wait. Also tell your pediatrician if you feel depressed or overwhelmed.

Frequently Asked Questions