Health Topics

Growth: 1-Year-Olds

After a baby's first birthday, the rate of growth begins to slow down. The baby is now a toddler and is very active.

While all children may grow at a different rate, the following indicates the average for 1-year-old boys and girls.

  • Weight: average gain of about 8 ounces each month; birth weight has tripled by the end of the first year 
  • Height: average growth of about ¼ to ½ inch each month
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Your Baby's Abilities

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Development and Emotional Security

Last Updated: 07/2012