Average weight (boy / girl)9.6 / 8.9 kg
Sleep in 24 hours11–14 h, 1–2 naps
FeedingFamily foods + milk
🌱 Development at 12 months
- Pulls up to stand and walks holding furniture
- Waves bye-bye
- Calls a parent "mama" or "dada"
- Drinks from a cup you hold
These are things most children (about 3 in 4) can do by this age. Babies born early may reach them later — use their corrected age.
📏 Growth: WHO weight, length and head size
Any steady curve within this range is normal; what matters is that your baby follows their own curve over time.
🍼 Feeding
- Eats family foods; whole cow's milk can now be the main drink (about 300–400 ml a day)
- Continue breastfeeding if you both wish — WHO recommends up to 2 years and beyond
😴 Sleep and teeth
- Total sleep: 11–14 h in 24 hours, usually 1–2 naps (National Sleep Foundation and American Academy of Sleep Medicine ranges).
- Teeth that often come through around now: upper front teeth, upper side incisors, lower side incisors.
💉 Vaccines due at 12 months
Your paediatrician may group doses differently. Keep the vaccination card safe.
💡 Tips for this month
- Stop bottles gradually and use cups
- Brush teeth twice a day with a smear of fluoride toothpaste
❓ Frequently asked questions
What should a 12-month-old be doing?
Most 12-month-olds: pulls up to stand and walks holding furniture; waves bye-bye; calls a parent "mama" or "dada"; drinks from a cup you hold.
How much should a 12-month-old weigh?
The WHO median is 9.6 kg for boys and 8.9 kg for girls; the normal range is wide (see the table).
How much should a 12-month-old sleep?
11–14 h in 24 hours including 1–2 naps.
🔁 Nearby months