What Age Should a Baby Start Sitting Up?

At 4 months, a baby can usually keep his or her head firmly without assistance, and at 6 months, he or she can sit with a little assistance. He/she sits effectively without assistance at 9 months and gets in and out of a sitting posture, but may need assistance. He/she sits up without assistance at the age of 12 months.


This Video Should Help:

Babies start to sit up and crawl when they are between 6 months and 1 year old. Reference: when do babies sit up and crawl.

  • 3 month-old baby sitting position
  • when do babies start walking
  • reasons why baby can’t sit up
  • when do babies start rolling over
  • how to help baby sit up
Scroll to Top