Telling people to ‘eat less sugar’ is an incomplete response. Diabetes prevention requires better access to nutritious food, clear food labelling, responsible marketing, safe public spaces for walking and cycling, and workplaces and schools that make healthy routines realistic. Public health cannot depend entirely on individual willpower when the environment continually pushes in the opposite direction.
Imagine being told that your body is slowly losing its ability to manage blood sugar, while you feel perfectly normal. You have a job to get to, a family to look after, bills to pay and a future to build. There is no dramatic warning, no sudden interruption to your day. You carry on. That quietness is part of what makes diabetes so dangerous: for millions of people, the disease can remain unnoticed until a routine test, a complication or a medical emergency brings it into focus.
Now widen that picture. Imagine this happening not to one person, but across a country of more than a billion people. The question is no longer only what is on our plates. It is what kind of food system, working culture, urban design and healthcare system we have built around ourselves. India’s diabetes burden is not simply a medical statistic. It is a test of how we understand development.
The numbers are too large to ignore
The International Diabetes Federation’s (IDF) 11th Diabetes Atlas estimates that around 89.8 million adults aged 20–79 in India were living with diabetes in 2024. That makes India the country with the second-highest number of adults with diabetes, after China. The IDF projects the figure could rise to approximately 156.7 million by 2050. These are estimates, not a count of every individual, but the direction and scale are unmistakable.
There is another important number. The ICMR-INDIAB study, a large national study published in The Lancet Diabetes & Endocrinology in 2023, estimated 101.3 million people with diabetes and 136 million with prediabetes in India, using data collected across the country between 2008 and 2020. The figures from ICMR-INDIAB and the IDF should not be treated as interchangeable: they use different estimation approaches, reference periods and population definitions. Both, however, point to a substantial public-health challenge.
India is often described as the ‘diabetes capital of the world’. The phrase is powerful, but it needs precision. India does not have the world’s highest diabetes prevalence. It has one of the world’s largest absolute populations living with the condition. That distinction matters because a huge population can produce an enormous disease burden even when the percentage affected is not the highest globally.
Crisis Is Not Always Visible
Diabetes can develop without obvious symptoms. The IDF estimates that a significant share of adults with diabetes in India remain undiagnosed. In its 2024 estimates, around 43 per cent of adults with diabetes in India were estimated to be unaware of their condition. An undiagnosed person may feel healthy, but high blood glucose over time can damage the heart, blood vessels, eyes, kidneys and nerves.
Think about what this means for a household. A person may be earning, caring for children and supporting parents while an undetected condition quietly increases their future health risks. When diagnosis finally happens, treatment can involve regular consultations, tests, medicines and changes to daily routines. For a family with limited savings, the burden is not abstract. It can mean lost working days, difficult choices about spending and a long-term strain on household finances.
The problem also challenges a familiar assumption: that diabetes is only a disease of older age or only a consequence of personal choices. Type 2 diabetes risk is influenced by several factors, including family history, age, body composition, physical activity, diet, sleep, stress and wider social and environmental conditions. Some factors are outside an individual’s control. Blaming people for becoming ill is neither fair nor an effective public-health strategy.
Our Cities, Routines & Food Environments Matter
Look at how an ordinary day is organised. Long commutes leave less time for movement. Many jobs involve sitting for hours. Streets may be difficult to walk or cycle on. Affordable meals can be dominated by refined carbohydrates, excess salt or added sugar, while healthier options are not always convenient or affordable. Packaged snacks and sweetened drinks are marketed widely, often with attractive claims and familiar celebrity faces.
None of these factors alone explains India’s diabetes burden. Nor should traditional Indian food be reduced to a stereotype. Our diets are diverse, and many traditional meals can be nutritious. The larger issue is the changing balance of food, activity and daily life. When convenience becomes the default and movement becomes an inconvenience, the environment starts shaping health choices before an individual makes them.
This is why telling people to ‘eat less sugar’ is an incomplete response. Diabetes prevention requires better access to nutritious food, clear food labelling, responsible marketing, safe public spaces for walking and cycling, and workplaces and schools that make healthy routines realistic. Public health cannot depend entirely on individual willpower when the environment continually pushes in the opposite direction.
Health Crisis Also Economic Crisis
The economic consequences reach well beyond hospital bills. Diabetes can increase the need for long-term treatment and monitoring. Complications may affect a person’s ability to work, study, travel or care for family members. Employers can face absenteeism and reduced productivity. Governments must devote more resources to chronic disease care, while households may have to redirect money from education, housing or savings towards treatment.
For a country aspiring to become a major global economy, the health of its working-age population is a development issue. A demographic dividend is not guaranteed simply because a country has a large young population. It depends on whether people are healthy, educated and able to participate fully in economic life. If preventable and manageable chronic diseases increasingly affect people during their productive years, the promise of that dividend becomes harder to realise.
There is also a question of inequality. A person with a stable income, health insurance, nearby diagnostic facilities and time for appointments may find it easier to manage diabetes. A daily-wage worker, a rural resident or someone without reliable access to primary healthcare may face greater obstacles. The disease does not respect income, but the ability to detect and manage it is not equally distributed.
From Awareness Campaigns to Prevention-First System
India has programmes that address non-communicable diseases, including diabetes screening and management through public health services. The National Programme for Prevention and Control of Non-Communicable Diseases is intended to strengthen health promotion, early diagnosis, treatment and referral. The challenge is to make these services consistently accessible, trusted and effective at the local level.
First, screening must become easier to access. Primary healthcare centres should be equipped to assess risk, conduct appropriate tests, explain results and ensure follow-up. Screening is useful only when a person who tests positive can reach confirmatory diagnosis, counselling and continuing care. A one-day camp cannot substitute for a dependable system.
Second, health communication must move beyond fear and slogans. People need clear, practical information about risk factors, symptoms, testing and long-term management. Schools and colleges can teach food literacy and the importance of physical activity without shaming students or policing bodies. Workplaces can support movement breaks and healthier food choices. Local governments can make neighbourhoods safer and more walkable.
Third, policy must take the food environment seriously. Front-of-pack nutrition information, responsible marketing to children, healthier public procurement and easier access to affordable nutritious food can help people make informed choices. Such measures should be designed transparently and evaluated against evidence, not treated as substitutes for accessible healthcare.
Finally, diabetes care must be continuous and affordable. People need regular monitoring, reliable access to prescribed medicines, guidance on nutrition and physical activity, and screening for complications when clinically appropriate. Treatment decisions should be made with qualified health professionals. Diabetes is a long-term condition, and a health system must be built for the long term too.
The Question That Needs to be Asked
You may not know whether diabetes affects someone in your immediate circle. You may know a neighbour who takes daily medication, a colleague who checks blood glucose before lunch, or a relative who discovered the condition during a routine health check. These stories rarely make headlines. Yet together, they describe a national reality.
So, perhaps the most useful question is not whether India deserves the label ‘diabetes capital’. Labels can attract attention, but they can also make a complex problem sound inevitable. It is not inevitable. The more important question is whether we are prepared to redesign the conditions that make ill health more likely, and strengthen the public systems that help people stay well.
A developed India cannot be measured only by highways, factories, digital payments or GDP growth. It must also be measured by whether a child can access nutritious food, whether a worker can get a health check without losing a day’s wages, whether a village has dependable primary care, and whether a person diagnosed with diabetes can afford to manage it without sacrificing the rest of their life.
The diabetes crisis is not a distant warning about 2050. It is already present in our homes, workplaces and communities. The response must begin before symptoms appear, before complications develop and before treatment becomes a financial shock. India’s ambition should not be to become known for the scale of its disease burden. It should be to show how a large, diverse country can make prevention, early diagnosis and dignified long-term care part of everyday life.
Because the real measure of progress is not simply how long a nation can keep growing. It is how many of its people are healthy enough to share in that growth.
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