In 2020/21, NCMP survey estimates indicate that 14.4% of reception children were obese (including severely obese), 13.3% were overweight but not obese, and the majority of children 71.3% were a healthy weight. As explained in the introduction, survey estimates are subject to a margin of error. It is likely that the prevalence of obesity is between 14.2% and 14.6%.
For year 6 children, estimates indicate that 25.5% were obese, 15.4% were overweight but not obese, and 57.8% were a healthy weight. Obesity prevalence is likely to be between 25.3% and 25.8% for year 6 children.
As shown in the charts below, year 6 prevalence was higher than reception in all categories except for healthy weight.