Table 1.
Projected mean body mass index of Chinese children and adolescents aged 5–19 between 2020 and 2025.
| Age group (years) |
2020 BMI (kg·m−2) |
2021 BMI (kg·m−2) |
2022 BMI (kg·m−2) |
2023 BMI (kg·m−2) |
2024 BMI (kg·m−2) |
2025 BMI (kg·m−2) |
||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Boys | Girls | Boys | Girls | Boys | Girls | Boys | Girls | Boys | Girls | Boys | Girls | |
| 5 | 17.8 | 16.5 | 17.9 | 16.6 | 18.1 | 16.7 | 18.3 | 16.8 | 18.5 | 16.9 | 18.7 | 17.0 |
| 6 | 17.7 | 16.4 | 17.9 | 16.5 | 18.1 | 16.6 | 18.3 | 16.7 | 18.5 | 16.8 | 18.7 | 17.0 |
| 7 | 17.9 | 16.5 | 18.1 | 16.6 | 18.3 | 16.7 | 18.5 | 16.8 | 18.7 | 16.9 | 18.9 | 17.1 |
| 8 | 18.2 | 16.7 | 18.4 | 16.8 | 18.6 | 16.9 | 18.8 | 17.0 | 19.0 | 17.2 | 19.2 | 17.3 |
| 9 | 18.7 | 17.1 | 18.8 | 17.2 | 19.0 | 17.3 | 19.2 | 17.4 | 19.4 | 17.5 | 19.6 | 17.7 |
| 10 | 19.2 | 17.6 | 19.3 | 17.7 | 19.5 | 17.8 | 19.7 | 18.0 | 19.9 | 18.1 | 20.1 | 18.2 |
| 11 | 19.7 | 18.3 | 19.9 | 18.4 | 20.0 | 18.5 | 20.2 | 18.6 | 20.4 | 18.7 | 20.7 | 18.9 |
| 12 | 20.2 | 19.1 | 20.4 | 19.2 | 20.6 | 19.3 | 20.8 | 19.4 | 21.0 | 19.5 | 21.2 | 19.6 |
| 13 | 20.8 | 19.8 | 20.9 | 19.9 | 21.1 | 20.0 | 21.3 | 20.1 | 21.5 | 20.2 | 21.7 | 20.4 |
| 14 | 21.3 | 20.5 | 21.5 | 20.6 | 21.7 | 20.7 | 21.8 | 20.8 | 22.1 | 20.9 | 22.3 | 21.0 |
| 15 | 21.8 | 21.1 | 22.0 | 21.2 | 22.2 | 21.3 | 22.4 | 21.4 | 22.6 | 21.5 | 22.8 | 21.6 |
| 16 | 22.3 | 21.4 | 22.5 | 21.5 | 22.7 | 21.6 | 22.9 | 21.8 | 23.1 | 21.9 | 23.3 | 22.0 |
| 17 | 22.7 | 21.7 | 22.9 | 21.8 | 23.1 | 21.9 | 23.3 | 22.0 | 23.5 | 22.1 | 23.7 | 22.3 |
| 18 | 23.1 | 21.9 | 23.2 | 22.0 | 23.4 | 22.1 | 23.6 | 22.3 | 23.8 | 22.4 | 24.0 | 22.5 |
| 19 | 23.2 | 22.2 | 23.4 | 22.3 | 23.6 | 22.4 | 23.7 | 22.6 | 24.0 | 22.7 | 24.2 | 22.8 |
BMI, body mass index.