After Reading This Article You Can Solve This UPSC Mains Model Questions:
Rising childhood obesity reflects deeper structural issues related to food systems, urbanisation, and lifestyle changes. Critically examine. (15 Marks, GS-2, Social Justice)
Context
- The World Obesity Federation recently released the World Obesity Atlas 2026, highlighting the rapid rise of childhood obesity globally and in India.
- The World Obesity Atlas 2026 report indicates that India has the second-highest number of children with high Body Mass Index (BMI) after China.
- With millions of children already affected and projections indicating a sharp rise by 2040, childhood obesity is emerging as a major public health concern with long-term implications for non-communicable diseases (NCDs), economic productivity, and demographic dividend.
Understanding Childhood Obesity
A. Definition of Obesity
- According to the World Health Organization, obesity is defined as a chronic, relapsing disease characterised by abnormal or excessive fat accumulation that poses a risk to health.
B. Measurement: Body Mass Index (BMI)
- BMI = Weight (kg) / Height² (m²)
- It is widely used to classify overweight and obesity in both adults and children.
C. WHO Growth Reference for Children (5–19 years)
- Overweight: BMI greater than 1 standard deviation above the WHO median
- Obesity: BMI greater than 2 standard deviations above the WHO median
Thus, childhood obesity refers to excessive body fat accumulation in children and adolescents that significantly increases health risks.
World Obesity Atlas 2026: Key Findings
A. Global Scenario
- Prevalence of obesity among children (5–19 years) increased from 4% in 1975 to nearly 20% in 2022.
- Majority of affected children reside in middle-income countries.
- Ten countries alone account for over 200 million children with high BMI, led by China, India, and the United States.
- Childhood obesity often persists into adulthood, increasing risk of NCDs such as diabetes, cardiovascular diseases, and certain cancers.
B. Indian Scenario
India is experiencing a rapid nutritional transition, resulting in a double burden of malnutrition.
1. Current Statistics (2025)
- 14.9 million children (5–9 years) are overweight or obese.
- 26.4 million children (10–19 years) are overweight or obese.
- 41 million children have high BMI.
2. Health Indicators
- 8.39 million children have BMI-attributed metabolic dysfunction-associated steatotic liver disease (MASLD).
- 2.98 million children suffer from BMI-related hypertension.
3. Projections for 2040
- 20 million children likely to be obese.
- 56 million children expected to be overweight.
- 120 million school-going children may show early signs of chronic diseases, including: Hypertension, Cardiovascular diseases, Diabetes
Global Shift in Child Nutrition: Rising Childhood Obesity Trends
According to a 2025 report by the UNICEF, global child nutrition patterns are undergoing a major transformation. For the first time, the proportion of children and adolescents affected by obesity has surpassed those who are underweight.
A. Rising Prevalence of Overweight and Obesity in India (NFHS-3 to NFHS-5)
Data from the National Family Health Survey indicate a consistent increase in overweight and obesity across various age groups between NFHS-3 (2005–06) and NFHS-5 (2019–21).
- Children under five years: prevalence increased from 1.5% to 3.4%.
- Adolescent girls: rose from 2.4% to 5.4%.
- Adolescent boys: increased from 1.7% to 6.6%.
- Adult women: prevalence nearly doubled from 12.6% to 24.0%.
- Adult men: rose from 9.3% to 22.9%.
B. Key Findings of the UNICEF Report
- Among children and adolescents aged 5–19 years, obesity prevalence (9.4%) has slightly exceeded the share of underweight children (9.2%), reflecting a shift in malnutrition patterns.
- Since 2000, obesity in this age group has tripled, rising from 3% to 9.4%, while underweight prevalence has declined from around 13% to 9.2%.
- Globally, about 5% of children below five years and 20% of children and adolescents aged 5–19 are affected by overweight or obesity.
- The steepest rise in overweight prevalence is observed in low- and middle-income countries, highlighting the rapid nutrition transition.
- In most regions of the world, obesity rates have surpassed underweight levels, except in sub-Saharan Africa and South Asia, where undernutrition still remains a major concern.
Factors Contributing to the Rise in Childhood Obesity
- Shift Towards Unhealthy Diets: Children increasingly consume ultra-processed foods (UPFs) that contain high amounts of sugar, salt, unhealthy fats, and additives. These foods are widely advertised, which strongly influences children’s eating habits.
- Economic Factors: Ultra-processed foods are often cheaper and more easily available than fresh and nutritious foods. This price difference partly results from agricultural subsidies for crops such as corn, soy, and wheat, along with preservatives that increase shelf life.
- Unhealthy Foods in School Meal Programmes: The 2024 Global Survey of School Meal Programs indicates that about one in four school meal programmes globally include processed meat, while many also provide sweets, fried foods, and sugary drinks, which can contribute to unhealthy diets.
- Declining Physical Activity: Physical activity among children has decreased due to urbanisation, limited play areas, increased use of motorised transport, and higher screen time, leading to more sedentary lifestyles.
- Genetic Factors: In some cases, obesity may be influenced by genetic variations and metabolic conditions, making certain individuals more prone to gaining excess weight.
- Weak Policy Measures: Many countries still lack strong regulations. Only a small proportion of countries have mandatory front-of-pack nutrition labelling, and very few provide subsidies to promote healthy foods, limiting effective control over unhealthy diets.
Impact of Increasing Childhood Obesity
Childhood obesity substantially increases the likelihood of long-term health complications, affecting metabolic, physical, and psychological well-being. Major health risks include:
- Metabolic and Cardiovascular Disorders: Childhood obesity increases the risk of type-2 diabetes, hypertension, hyperglycaemia, high cholesterol, and cardiovascular diseases, as excessive body fat disrupts normal metabolic functioning and elevates long-term disease susceptibility.
- Liver-Related Complications: Excess fat accumulation can lead to Metabolic Dysfunction-Associated Steatotic Liver Disease (MASLD), a condition characterised by abnormal fat deposition in the liver, which may progress to serious liver damage if untreated.
- Musculoskeletal Problems: Increased body weight places excessive stress on bones and joints, often resulting in joint disorders, skeletal strain, and reduced mobility, which can limit physical activity and overall fitness.
- Psychological and Social Consequences: Children with obesity frequently experience low self-esteem, anxiety, depression, and social stigma, often aggravated by bullying and discrimination in schools and social settings.
- Persistence into Adulthood: Childhood obesity often continues into adulthood, significantly increasing the lifetime risk of non-communicable diseases and chronic health conditions.
Key Government Initiatives to Promote Healthy Nutrition and Prevent Obesity
- POSHAN Abhiyaan: Aims to improve nutritional status of children, adolescent girls, and mothers through better nutrition services and awareness.
- Eat Right India Movement: Promotes safe, healthy, and sustainable diets through consumer awareness campaigns, supply-side reforms, and initiatives in schools.
- ‘Aaj Se Thoda Kam’ Campaign: A nationwide awareness programme that encourages people to gradually reduce the intake of fat, sugar, and salt in their daily diet.
- RUCO (Repurpose Used Cooking Oil) Initiative: Ensures that used cooking oil is collected and converted into products such as biodiesel or soap, preventing its reuse in food preparation.
Global Policy Measures
- Frameworks of World Health Organization and UNICEF: Recommend measures such as healthy school food environments, taxes on sugary beverages, regulation of junk-food marketing, and national monitoring of childhood obesity trends.
- Sustainable Development Goal 3.4: Emphasises reducing premature deaths from non-communicable diseases, where addressing childhood obesity is considered an important step.
Way Forward to Address Childhood Obesity
- Promoting Healthy Diets: Improve access to affordable and nutritious foods through measures such as food assistance programmes, vouchers, cash transfers, and strengthening local food systems.
- Strengthening Regulatory Measures: Implement stricter regulations on junk-food advertising, front-of-pack nutrition labelling, and taxation of ultra-processed foods to discourage unhealthy consumption.
- Encouraging Active Lifestyles: Promote regular physical activity among children and adolescents through initiatives such as Fit India Movement and Khelo India, while integrating sports and fitness into daily routines.
- Improving Physical Infrastructure for Children: Ensure strict enforcement of Right to Eductaion (RTE) norms mandating playgrounds and sports facilities in schools and develop parks and open recreational spaces in residential areas to encourage outdoor activities.
- Advancing Medical Interventions: New anti-obesity drugs such as semaglutide and tirzepatide show promising results. While high costs currently limit access, the availability of affordable generic versions in the future may improve treatment options.
- Enhancing Public Awareness: Promote awareness among families and communities about balanced diets, the risks of excessive junk food consumption, and the importance of regular exercise.
Conclusion
Childhood obesity has emerged as a significant public health challenge in India, driven by changing dietary habits, sedentary lifestyles, and rapid socio-economic transitions. Addressing it through preventive strategies such as healthy nutrition, regular physical activity, effective regulations, and public awareness is essential to safeguard the health of future generations and sustain India’s demographic dividend.
