Overweight and Obesity: Epidemiology Report and Forecast to 2035

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Analyze overweight and obesity epidemiology across the seven major markets with 10-year forecasts for diagnosed and total prevalent cases by age, sex, BMI class, and comorbidities.

Why Does Overweight and Obesity Epidemiology Matter?

Overweight and obesity are major health conditions associated with excess body fat, metabolic dysfunction, chronic inflammation, and comorbidities including diabetes and cardiovascular disease. Understanding the size and characteristics of these populations is essential for healthcare and life sciences companies developing products and commercial strategies.

This report provides a comprehensive epidemiological assessment across the seven major markets (7MM), covering the US, France, Germany, Italy, Spain, the UK, and Japan.

You can use this report to:

  • Quantify diagnosed and total prevalent overweight and obesity populations
  • Understand epidemiological trends across the 7MM
  • Assess patient populations by age, sex, and BMI class
  • Evaluate key risk factors and associated comorbidities
  • Support product design, pricing, and launch planning
  • Identify patient segments with potential opportunities for obesity therapeutics

Key Insights in the Overweight and Obesity Epidemiology Landscape

The report highlights key epidemiological trends, including:

  • Obesity is characterized by a BMI of 30kg/m² or more
  • Obesity can be associated with metabolic dysfunction and chronic systemic inflammation
  • Diabetes and cardiovascular disease are among the key comorbidities associated with obesity
  • Obesogenic diets and sedentary lifestyles are important behavioural drivers
  • Medical conditions, medications, and genetic factors may also contribute to weight gain
  • Epidemiological trends are assessed across the US, France, Germany, Italy, Spain, the UK, and Japan
  • Diagnosed and total prevalent cases are forecast over a 10-year period
  • Populations are segmented by age, sex, and BMI class
  • The analysis covers overweight classes I and II and obesity classes I, II, and III

Scope

What Will You Learn from This Overweight and Obesity Epidemiology Analysis Report?

This report provides insight into:

  • Global and historical epidemiological trends for overweight and obesity
  • Diagnosed and total prevalent cases across the 7MM
  • Patient populations segmented by age from five years and older
  • Sex-specific epidemiological trends
  • Overweight classes I and II
  • Obesity classes I, II, and III
  • Risk factors associated with overweight and obesity
  • Comorbidities associated with obesity
  • Ten-year epidemiology forecasts
  • Differences in epidemiological trends across the seven major markets

Who Should Buy This Overweight and Obesity Epidemiology Analysis Report?

This report may be valuable for:

  • Pharmaceutical and biopharmaceutical companies
  • Obesity and metabolic disease drug developers
  • Clinical development teams
  • Commercial strategy and market access teams
  • Pricing and forecasting teams
  • Sales and marketing teams
  • Business development and licensing teams
  • Epidemiology and market intelligence professionals
  • Healthcare investors and consultants

How Companies Use This Overweight and Obesity Epidemiology Analysis

Life sciences and healthcare companies can use the report to:

  • Quantify patient populations across key markets
  • Support product design and development decisions
  • Inform pricing and launch planning
  • Identify high-opportunity age and sex segments
  • Assess population differences by BMI class
  • Understand the prevalence of relevant comorbidities
  • Develop market-specific commercial strategies
  • Prioritize sales and marketing efforts
  • Support business planning and portfolio decisions

Reasons to Buy

Benchmark the Overweight and Obesity Epidemiology Landscape

This report enables stakeholders to benchmark:

  • Diagnosed versus total prevalent cases
  • Overweight and obesity populations across the 7MM
  • Epidemiological trends by country
  • Patient populations by age and sex
  • Prevalence across BMI classes
  • Obesity classes I, II, and III
  • Associated comorbidities
  • Historical versus forecast epidemiological trends
  • Ten-year population forecasts across the covered markets

Built on GlobalData Epidemiology Intelligence

The epidemiology forecast is supported by data from peer-reviewed articles and population-based studies.

The methodology is applied consistently across the seven major markets, enabling meaningful comparison of diagnosed prevalent obesity cases and supporting analysis of population trends by age, sex, BMI class, and market.

Act Now to Identify Opportunities in Overweight and Obesity

As the overweight and obesity population evolves across major markets, understanding its size, demographic profile, BMI distribution, and associated comorbidities can help healthcare and life sciences companies make more informed decisions.

Use this report to quantify patient populations, identify high-opportunity segments, support product and pricing strategies, and plan market-specific launches and commercial activities.

Table of Contents

Table of Contents

1 Executive Summary

1.1 Catalyst

1.2 Related reports

1.3 Upcoming reports

2 Epidemiology

2.1 Disease background

2.2 Risk factors and comorbidities

2.3 Global and historical trends

2.4 7MM forecast methodology

2.4.1 Sources

2.4.2 Forecast assumptions and methods

2.4.3 Forecast assumptions and methods: total prevalent cases of overweight and obesity

2.4.4 Diagnosed prevalent cases of overweight and obesity

2.4.5 Total and diagnosed prevalent cases of overweight and obesity by BMI class

2.4.6 Total and diagnosed prevalent cases of pediatric obesity by severity

2.4.7 Diagnosed prevalent cases of obesity by comorbidity

2.5 Epidemiological forecast for overweight and obesity (2025–35)

2.5.1 Total prevalent cases of overweight

2.5.2 Total prevalent cases of obesity

2.5.3 Diagnosed prevalent cases of overweight

2.5.4 Age-specific diagnosed prevalent cases of overweight

2.5.5 Sex-specific diagnosed prevalent cases of overweight

2.5.6 Diagnosed prevalent cases of overweight by BMI class

2.5.7 Diagnosed prevalent cases of obesity

2.5.8 Age-specific diagnosed prevalent cases of obesity

2.5.9 Sex-specific diagnosed prevalent cases of obesity

2.5.10 Diagnosed prevalent cases of pediatric obesity by severity

2.5.11 Diagnosed prevalent cases of adult obesity by BMI class

2.5.12 Diagnosed prevalent cases of obesity by comorbidity

2.6 Discussion

2.6.1 Epidemiological forecast insight

2.6.2 Limitations of the analysis

2.6.3 Strengths of the analysis

3 Appendix

3.1 Bibliography

3.2 Primary research – high prescriber survey

3.3 About the Authors

3.3.1 Epidemiologist

3.3.2 Reviewers

3.3.3 Vice President of Disease Intelligence and Epidemiology

3.3.4 Global Head of Pharma Research, Analysis, and Competitive Intelligence

About GlobalData

Contact Us

Table

List of Tables

Table 1: Summary of newly added data types

Table 2: Summary of updated data types

Table 3: Classification systems for obesity based on BMI cutoff points

Table 4: Risk factors and comorbidities for overweight and obesity

Table 5: High-prescribing physicians surveyed, by country

Figures

List of Figures

Figure 1: 7MM, total prevalent cases of overweight, both sexes, N, age ≥5 years, 2025 and 2035

Figure 2: 7MM, total prevalent cases of obesity, both sexes, N, ≥5 years, 2025 and 2035

Figure 3: 7MM, diagnosed prevalent cases of overweight, both sexes, N, ≥5 years, 2025 and 2035

Figure 4: 7MM, diagnosed prevalent cases of obesity, both sexes, N, ≥5 years, 2025 and 2035

Figure 5: 7MM, total prevalence of overweight, men and women, %, ≥5 years, 2015–35

Figure 6: 7MM, total prevalence of obesity, men and women, %, ≥5 years, 2015–35

Figure 7: 7MM, sources used to forecast the total and diagnosed prevalent cases of overweight

Figure 8: 7MM, sources used to forecast the total and diagnosed prevalent cases of obesity

Figure 9: 7MM, sources used to forecast the total and diagnosed prevalent cases of overweight by BMI class

Figure 10: 7MM, sources used to forecast the total and diagnosed prevalent cases of obesity by BMI class

Figure 11: 7MM, sources used to forecast the total and diagnosed prevalent cases of pediatric obesity by severity

Figure 12: 7MM, sources used to forecast the diagnosed prevalent cases of obesity by comorbidity

Figure 13: 7MM, total prevalent cases of overweight, N, both sexes, age ≥5 years, 2025

Figure 14: 7MM, total prevalent cases of obesity, N, both sexes, age ≥5 years, 2025

Figure 15: 7MM, diagnosed prevalent cases of overweight, N, both sexes, age ≥5 years, 2025

Figure 16: 7MM, diagnosed prevalent cases of overweight by age, N, both sexes, age ≥5 years, 2025

Figure 17: 7MM, diagnosed prevalent cases of overweight by sex, N, both sexes, age ≥5 years, 2025

Figure 18: 7MM, diagnosed prevalent cases of overweight by BMI class, N, both sexes, age ≥5 years, 2025

Figure 19: 7MM, diagnosed prevalent cases of obesity, N, both sexes, age ≥5 years, 2025

Figure 20: 7MM, diagnosed prevalent cases of obesity by age, N, both sexes, age ≥5 years, 2025

Figure 21: 7MM, diagnosed prevalent cases of obesity by sex, N, both sexes, age ≥5 years, 2025

Figure 22: 7MM, diagnosed prevalent cases of pediatric obesity by severity, N, both sexes, ages 5─17, 2025

Figure 23: 7MM, diagnosed prevalent cases of obesity by BMI class, N, both sexes, age ≥18 years, 2025

Figure 24: 7MM, diagnosed prevalent cases of obesity by comorbidity, N, both sexes, age ≥18 years, 2025

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