When Do Babies Sit Up Without Support?

6 min read

Written by Editorial Team

Editorial Team

When Do Babies Sit Up Without Support

Sitting without support is one of the major milestones that babies cross. It shows that the baby is growing, and now they are excited to explore and play in a new way. When they reach a certain age, babies start kicking and developing reflexes. Soon, they reach a stage when they are capable of sitting with support. So, exactly when do babies sit up without support?

Though it may vary from one baby to another, most babies are able to sit without support at around 8 to 12 months of age and more. When your baby learns to sit properly, they can play more, explore more and feeding them gets easier. However, sitting independently requires a lot of strength. So, let’s find out when your babies start sitting independently without taking the support and how you can help them.

In This Article

When Do Babies Usually Sit up?

Babies usually start sitting with support as early as five or six months old. From 9 months and up, they should be able to sit on their own without support. Sitting independently without taking support is a skill that babies master when once they cross 9 months of age.

Some babies even scutter back and forth, whereas some babies begin to crawl at this age. As your baby starts growing, they start pulling things such as bed sheets and pushing themselves with their arms to sit and stand. When they turn one year old, your toddler is ready to sit firmly without taking any support.

How Do Infants Learn to Sit up on Their Own?

How Do Infants Learn to Sit up on Their Own

Sitting up straight without support is the first stage of babies’ motor skills development. For this, babies need to gain strength and a lot of stamina. When they gain enough strength to support their upper body and the ability to keep their head straight, they can directly start sitting with a single push of their arm.

However, before learning to sit without support, babies will cross these milestones.

By 2 Months

Your baby will be able to start lifting their head for a short period of time while lying on your stomach.

By 4 Months

Babies begin to lift their heads and keep them steady for a longer time without support.

By 6 Months

Your baby will be able to start supporting themselves and sitting with a round back. Babies will start to learn sitting with a support such as a pillow or their mother’s lap.

By 9 Months

Babies at this stage start crawling. You will also find that your little one is able to get themselves into and out of a sitting position with or without help. While some babies are able to sit without support, others may still need some support and help.

By 1 Year

By 1st Year, as they hit their first birthday milestone, most babies are able to get into a sitting position and sit without support. If you find that your munchkin is still struggling to achieve this milestone by their first birthday, you may need to see a specialist to ensure that everything is fine and there are no developmental delays.

Top 4 Ways to Encourage Your Baby Learn to Sit Up

Top 4 Ways to Encourage Your Baby Learn to Sit Up

Here are some ways that help encourage your babies to learn the skills and develop the strength to sit upright.

1. Practice Support Sitting

Once your baby begins to hold their head steady, as a parent, you can help them practice assisted sitting. Encourage your baby to keep their body aligned and straight with their lower body. Later, you can let them practice moving back and forth.

Your tiny baby may wobble their head down, so it’s better to keep them close to you to give them support.

2. Encourage Tummy Time

You can encourage your baby to play on their belly. The tummy time encourages them to lift their head and take arms support. With this, your baby will learn how to support their neck and upper body and develop physical strength, which is crucial for sitting.

You can practice tummy time when your baby is a few months old. Babies love tummy time and play rolling down on their tummies.

[Read : Tummy Time For Babies- A Must Do]

3. Practice Floor Sitting

When your baby is five to six months old, you can practice floor sitting. But make sure to provide some support behind their back so that they can learn to sit. Having support can help them develop body coordination and muscle control which is crucial to sitting properly.

4. Use Pillow For Sitting Practice

Try to keep a pillow behind their back and a hand to keep them straight. Babies may roll up and lean over their backs, so it would be great to use a pillow as a support system and keep them safe from falling. Moreover, the pillow gives proper support to the back, and they develop skills to sit comfortably.

When Should You Worry if Your Baby is Not Sitting Up?

Development may vary from baby to baby. For example, some babies learn to sit early at the age of five months, whereas some babies may learn to sit late at the age of nine months. But you need to worry when your baby is not sitting up properly even after 12th month.

Here are some of the signs which show your babies are experiencing motor delay:

  • Your baby is exhibiting floppy movements.
  • You observe that your baby’s muscles are tight or stiff.
  • Your baby is not able to hold the head stead and the head is wobbling because motor nerves are not working properly.
  • Your munchkin doesn’t show interest in regular baby activities such as holding things, throwing, them playing etc.

If you notice such signs, consult with the pediatrician to get the right guidance.

What if There is Development Delay in the Baby Sitting Up?

When Should You Worry if Your Baby is Not Sitting Up

Usually, babies start sitting up without support by the time they turn one year old. However, some babies may have slow progress and cannot sit comfortably even crossing 1 year of age. If they show the above-mentioned signs and they are not supporting their upper body, you should go to the pediatrician. They will tell you the exact reason for the delay in motor skills and what you can do.

It is also important to note that in some cases, such as premature babies where adjusted age must be taken into consideration when calculating milestones, a delay in reaching the first milestone may have a domino effect on the subsequent milestones. As a result, sitting and other related milestones may take time. Your baby’s pediatrician will be able to give you the best advice and send you to the specialists concerned to get your baby checked.

If a developmental delay is identified, your baby may be referred to a physical therapist and an occupational therapist who will work with you and your baby. The mode of therapy will depend on your baby’s condition and diagnosis.

[Read : Developmental Delays in Babies]

Top Safety Tips to Follow Before Babies Start Sitting Up

Here are a few safety tips you must follow when your baby is sitting up or when you are helping your little one sit.

  • Hold your babies firmly and support their backs properly while they practice sitting.
  • Avoid giving hard support as it can affect their back.
  • Keep a pillow behind their back to avoid falling injuries.
  • Do not push them to sit if they are not showing interest.
  • Practice slowly and keep all the pointed things away from your baby.

Most babies will start sitting on their own without any support by the time they are a year old. But if they are taking a long time, you can consult with your child’s pediatrician to know the exact reason. In addition to this, keep practising the above things to encourage the sitting of your babies. Some babies are slow learners, so let them learn slowly and enjoy the growing stages.


1. Can a Baby Learn to Sit Early?

Yes, babies usually start sitting with support when they are 6-8 months old. By around 7 months, some can start sitting without support.

2. What do Babies Learn Early – Sitting or Crawling?

Babies learn to sit first before crawling because crawling requires strength, and it takes a few months to develop such strength in babies.

3. When is a Baby Able to Hold Their Head Straight?

Usually, 5-6 months old babies can hold their heads straight without support.

Read Also: Baby Milestones : Crawling

Editorial Team,

With a rich experience in pregnancy and parenting, our team of experts create insightful, well-curated, and easy-to-read content for our to-be-parents and parents at all stages of parenting.Read more.

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