📊 COMPARISON

BMI: By Age Group

How do metric values change across different age groups? Understand age-related variations.

26.6 kg/m²
Median (50th percentile)
Difference
0.0%
At median
26.6 kg/m²
Median (50th percentile)
⚠️ Content Quality Notice: This page has limited data (0/10 data points). Page is set to noindex until expanded.
  • Group A has no percentile data
  • Group B has no percentile data

💡 Key Insight

BMI values are very similar between undefined and undefined, with less than 2% difference.

Percentile Comparison

PercentileDifference
5th15.9 kg/m²15.9 kg/m²0.0%
25th22.2 kg/m²22.2 kg/m²0.0%
50th26.6 kg/m²26.6 kg/m²0.0%
75th31 kg/m²31 kg/m²0.0%
95th37.3 kg/m²37.3 kg/m²0.0%
Mean26.6 kg/m²26.6 kg/m²0.0%

Visual Comparison

5th
15.9
15.9
25th
22.2
22.2
50th
26.6
26.6
75th
31
31
95th
37.3
37.3

📊 BMI Across Age Groups

18-29
26.6 kg/m²
Range: 15.9 - 37.3 kg/m²
30-39
28.1 kg/m²
Range: 17.4 - 38.8 kg/m²
40-49
29.1 kg/m²
Range: 18.4 - 39.8 kg/m²
50-59
29.6 kg/m²
Range: 18.9 - 40.3 kg/m²
60-69
29.4 kg/m²
Range: 18.7 - 40.1 kg/m²
70-79
28.6 kg/m²
Range: 17.9 - 39.3 kg/m²
80+
27.6 kg/m²
Range: 16.9 - 38.3 kg/m²

🔬 BMI Limitations & Context

Body Mass Index was developed in the 1830s and adopted as a population screening tool, not an individual diagnostic measure. Its simplicity is both its strength and weakness—it doesn't distinguish between muscle and fat, nor account for fat distribution.

Key Research Findings

  • Athletes may have "overweight" BMI due to muscle mass, not fat
  • Older adults may have "normal" BMI but elevated body fat due to sarcopenia
  • Some guidelines recommend lower BMI cutoffs for Asian populations
  • Waist-to-height ratio may better predict cardiometabolic risk
📚 Research Note: The WHO has acknowledged BMI limitations and recommends combining it with other measures for individual assessment.
Sources: WHO, NIH

❓ Frequently Asked Questions

Why is bmi similar between undefined and undefined?

BMI is a screening tool, not a diagnostic measure. The same BMI can represent different health risks depending on age, sex, and ethnicity due to variations in body composition.

Source: WHO

How should I interpret my bmi compared to these benchmarks?

Find your appropriate demographic group and percentile range. Being in the 25th-75th percentile (middle 50%) is typical. Percentiles below 5th or above 95th may warrant discussion with a healthcare provider, though clinical context is essential—a single measurement rarely tells the whole story.

Source: Clinical Guidelines

How reliable is this comparison data?

This data comes from the CDC's National Health and Nutrition Examination Survey (NHANES), a continuously conducted survey that uses rigorous sampling methodology to represent the U.S. civilian non-institutionalized population. Sample sizes typically exceed 5,000 per demographic group, with weighted analysis accounting for the complex survey design.

Source: CDC NHANES

What This Comparison Means

Understanding differences in bmi between different groups and populations is important for:

  • Accurate benchmarking – Compare yourself to the appropriate reference population
  • Clinical interpretation – Healthcare providers use demographic-specific ranges
  • Research understanding – Biological and lifestyle factors influence these differences
  • Personalized health goals – Set realistic targets based on your demographic
⚠️ Important: These are population averages. Individual variation within each group is significant. Always consult healthcare providers for personal health advice.

他の比較を探索

⚖️BMI: Men vs Women👥BMI: Young Adults vs Older Adults

この指標を探索

📊 インタラクティブなパーセンタイル計算機付きの完全なBMIベンチマークを表示→

📊Data Transparency & Sources