By the WHO growth reference, girls who have just turned 13 have a median height of 156.4 cm (5′2″). Most children (94%) are between 143.3 cm (4′8″) and 169.4 cm (5′7″).
156.4 cm (5′2″)
median height (P50)
143.3–169.4 cm
P3–P97 range
| Age | P3 | P15 | P50 | P85 | P97 |
|---|---|---|---|---|---|
| 13 years | 143.3 | 149.2 | 156.4 | 163.6 | 169.4 |
| 13 years 3 months | 144.3 | 150.2 | 157.4 | 164.6 | 170.5 |
| 13 years 6 months | 145.2 | 151.1 | 158.3 | 165.5 | 171.4 |
| 13 years 9 months | 146 | 151.9 | 159.1 | 166.3 | 172.2 |
P50 is the median: half of children the same age are shorter and half taller. P3 to P97 is the range WHO treats as normal.
| Height | Children shorter |
|---|---|
| 140 cm (4′7″) | 0.9% |
| 145 cm (4′9″) | 5% |
| 150 cm (4′11″) | 18% |
| 155 cm (5′1″) | 42% |
| 160 cm (5′3″) | 70% |
| 165 cm (5′5″) | 89% |
| 170 cm (5′7″) | 98% |
| 175 cm (5′9″) | 99.6% |
Values come straight from World Health Organization tables: the WHO Child Growth Standards (2006) for ages 0–5 and the WHO Growth Reference (2007) for ages 5–19. National references (CDC in the US, for example) can differ by a few centimetres. This is not a diagnostic tool: growth over time matters more than a single measurement, and questions about your child's growth belong with their doctor.