WHO and CDC weight-for-age charts with additional centile lines

Below we present weight-for-age charts in a standardised format based on data from the World Health Organization (birth to 2 years) and United States Centers for Disease Control and Prevention (2 to 18 years). A full complement of centile lines is provided, namely the 3rd, 10th, 25th, 50th, 75th, 90th and 97th centiles, as is typically used in medical applications.

Downloadable PDF versions:

• Weight for age – Boys, birth to 2 years (WHO data)
• Weight for age – Girls, birth to 2 years (WHO data)
• Weight for age – Boys, 2 to 18 years (CDC data)
• Weight for age – Girls, 2 to 18 years (CDC data)
• Weight and length for age – Boys, birth to 2 years (WHO data)
• Weight and length for age – Girls, birth to 2 years (WHO data)
• Weight and height for age – Boys, 2 to 18 years (CDC data)
• Weight and height for age – Girls, 2 to 18 years (CDC data)

The charts are licensed under the Creative Commons Attribution-ShareAlike 4.0 International licence.

Python/Matplotlib source code for generating these plots is shown here.