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England's Youth Face Rapid Obesity Rise
25 Jun
Summary
- New obesity cases rose nearly 20% in 30s, 16% in 20s.
- Unhealthy food marketing and cost of living cited as causes.
- Obesity trends accelerate faster in younger adults.

New diagnoses of obesity are notably accelerating among younger adults in England, with concerning trends emerging for individuals in their 20s and 30s. Between 2019-20 and 2024-25, new cases rose by nearly 20% for those in their 30s and 16% for those in their 20s. This rapid increase in younger demographics is a significant shift, though obesity remains most common in the 40s and 50s. The trend is particularly worrying as it precedes serious health issues like diabetes, heart disease, and cancer.
Researchers suggest several factors contribute to this rise. Young adults have grown up surrounded by an abundance of unhealthy food options and pervasive marketing, especially from fast-food outlets. The recent pandemic and ongoing cost of living crisis have further complicated healthy lifestyle choices, making nutritious food less accessible and more expensive. Experts also point to the influence of the digital environment, including food apps and social media, alongside disrupted physical activity habits during formative years.
Analysis of over 55 million NHS patient records revealed these patterns, with steeper rises also observed in areas of high deprivation and among non-white ethnic groups. While new diagnoses fell in older age groups, potentially due to wider access to weight loss drugs, the overall proportion of obese individuals in England increased from 26.2% to 30.3% during the analyzed period. Government initiatives are underway to address obesity, including restrictions on junk food advertising.