More women in their 20s are getting type 2 diabetes.

England is experiencing a "worrying increase" in young women in their 20s developing type 2 diabetes, according to experts at Imperial College London. This concerning trend has escalated significantly since the Covid-19 pandemic, with researchers attributing the rise primarily to escalating obesity levels. The findings are based on a comprehensive analysis of NHS data spanning from 2011 to 2024. Type 2 diabetes is a serious chronic condition that can lead to severe health complications, including heart attacks, strokes, kidney disease, and blindness. When diagnosed at a younger age, the disease often presents with a more aggressive trajectory, increasing the risk of devastating complications and potentially shortening lifespan, as highlighted by Diabetes UK.

Early diagnosis is crucial for individuals at risk of developing type 2 diabetes. Prompt identification can prevent long-term organ damage and improve patient outcomes. Encouragingly, type 2 diabetes can sometimes be put into remission through lifestyle interventions, such as adopting a healthy diet and achieving a healthy weight, often without the need for glucose-lowering medications. Researchers suggest that emerging obesity treatments, including GLP-1 receptor agonists (administered via injections or pills), may play a significant role in managing this rise, in conjunction with robust nutritional guidance.

Globally, diabetes is a growing public health crisis. In the UK, approximately 90% of the six million individuals living with diabetes have type 2 diabetes, as opposed to type 1 diabetes, which is an autoimmune condition requiring lifelong insulin therapy. While the risk of developing type 2 diabetes increases with age, and older adults still constitute the largest group of new diagnoses, the recent surge in younger individuals is a cause for significant concern. NHS England estimates indicate that 12,000 people under the age of 30 are now living with type 2 diabetes, with women disproportionately represented in these younger demographic diagnoses. The most common symptoms of type 2 diabetes, which individuals should be aware of, include persistent fatigue, increased frequency of urination, and an unquenchable thirst.

The research team from Imperial College London meticulously analyzed data from the English National Diabetes Audit, a valuable resource for understanding trends in diabetes care and prevalence. Their investigation revealed a slight decrease in the incidence of type 2 diabetes among older adults, who continue to represent the largest proportion of new diagnoses. However, the data unequivocally shows a rapid increase in the disease among individuals under the age of 40, with particularly sharp rises observed in women between the ages of 20 and 29.

Crucially, the analysis also found that the body mass index (BMI), a key indicator of obesity, at the time of diagnosis has been increasing more rapidly in younger adults compared to older age groups. This correlation strongly suggests that escalating obesity rates are a primary driver of this trend. Indeed, separate NHS data for England indicates a worsening obesity epidemic since the pandemic, with nearly one in three people now affected. The most substantial increases in obesity rates over time have been observed in younger adult populations. Between 2019 and 2025, the number of new obesity cases surged by 16% in individuals aged 20-29 and by almost 20% in those aged 30-39, while obesity rates declined among adults aged 60-79.

Dr. Shivani Misra, the lead researcher on the study, expressed profound concern about these findings. "We believe that the earlier onset of severe obesity in young people is increasing their risk of type 2 diabetes in early life and pulling down their age at diagnosis," she stated. "This is really worrying given the poor health outcomes from early-onset type 2 diabetes." Dr. Misra noted that much of the public discourse surrounding the rising rates of type 2 diabetes in younger populations has historically focused on ethnic minority groups, who have traditionally been identified as being at higher risk. However, the new data suggests that this trend is far more pervasive, extending beyond these specific communities. "We now see that incidence is also increasing in white populations too, showing that this public health challenge is broadening across the generations," she added, emphasizing the widespread nature of this public health crisis.

Diabetes UK has also called for improved follow-up care for pregnant women diagnosed with gestational diabetes. This condition, which develops during pregnancy, significantly increases a woman’s risk of developing type 2 diabetes later in life, underscoring the importance of continued monitoring and support. While some studies have explored a potential link between severe illness from Covid-19 and an increased risk of type 2 diabetes, the evidence in this area is not yet conclusive and requires further investigation.

The implications of this rise in early-onset type 2 diabetes are far-reaching. Young adults diagnosed with the condition face a lifetime of managing a chronic illness, with increased risks of serious long-term complications. This not only impacts their personal health and quality of life but also places a substantial burden on healthcare systems. Prevention strategies that target obesity in younger populations, coupled with increased awareness of the symptoms of type 2 diabetes and accessible diagnostic services, are paramount. Furthermore, the development and wider availability of effective obesity management strategies, including newer pharmacological interventions, are critical components of a comprehensive approach to addressing this escalating public health challenge. The broadening demographic of individuals affected by type 2 diabetes necessitates a re-evaluation of public health messaging and interventions to ensure they are inclusive and reach all segments of the population. The increasing prevalence among young women in their 20s is a stark indicator that this is no longer solely an issue for older adults or specific ethnic groups, but a widespread societal concern demanding urgent and multifaceted action.