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A new analysis published by the Lancet Commission has sounded the alarm on the escalating health crisis facing the world’s adolescents. According to the report, by 2030, an estimated 464 million adolescents globally—over 46 crore—will be overweight or obese, marking a dramatic increase of 143 million since 2015. This surge in adolescent obesity is accompanied by a rise in related health and mental disorders, placing the health of young people at a critical tipping point.
Key Findings
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Sharp Rise in Obesity: The report projects that one-third of adolescents in high-income countries, Latin America, and the Middle East will be overweight by 2030, highlighting significant shortcomings in efforts to combat adolescent obesity.
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Worsening Mental Health: Mental health disorders are also on the rise, with 42 million years of healthy life expected to be lost to mental disorders or suicide in 2030—two million more than in 2015. Mental health issues are now the single largest cause of disease burden among adolescents globally.
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Persistent Multi-Burden Countries: Over 1 billion adolescents will continue to live in countries where preventable and treatable health problems—such as HIV/AIDS, early pregnancy, unsafe sex, poor nutrition, and injury—remain daily threats.
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Anaemia and Poor Nutrition: Nearly one-third of adolescent girls worldwide are projected to be anaemic by 2030, with poor nutrition and anaemia posing ongoing challenges, especially in countries like India.
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Emerging Threats: The report identifies climate change and the rapid shift toward digital lifestyles as significant new threats. Today’s adolescents are the first generation to live with annual global temperatures consistently 0.5°C higher than pre-industrial levels, increasing risks of heat-related illnesses, food and water insecurity, and climate-related mental health issues.
Underlying Causes
The Commission attributes these trends to a combination of factors:
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Increased sedentary lifestyles and excessive screen time, often exacerbated by air pollution and extreme weather limiting outdoor activity.
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Inadequate policy action and investment in adolescent health, particularly in low- and middle-income countries, which house over a quarter of the world’s adolescent population but receive just 2.4% of global development aid for health.
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The lingering effects of the COVID-19 pandemic, which disrupted education, peer interaction, and access to health services, further compounding mental health challenges.
Calls to Action
Experts behind the report urge urgent political will, policy initiatives, and financial investment to address these escalating risks. Recommendations include:
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Implementing sugar taxes and expanding sports and fitness programs for youth, especially in underserved areas.
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Strengthening mental health services and community-based support for adolescents.
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Targeted interventions to address anaemia and poor nutrition, particularly among girls.
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Involving young people directly in shaping policies and solutions that affect their health and well-being.
Professor Sarah Baird, co-chair of the Commission, emphasized, “The health and well-being of adolescents worldwide is at a tipping point, with mixed progress observed over the past three decades… Overweight and obesity have risen by up to eight-fold in some countries, and there is a growing burden of poor adolescent mental health globally”.
The Road Ahead
Without decisive global action, the report warns that the health and prospects of the next generation are at risk. The well-being of adolescents, who represent a significant share of the world’s population, will increasingly shape the future of global health and development.
Disclaimer:
This article is based on projections and findings from the Lancet Commission’s recent analysis, as reported by various news outlets. The figures and statements reflect the current understanding and estimates as of May 2025. For medical advice or health concerns, readers should consult qualified healthcare professionals.
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