Understanding BMI: Complete Health Guide for Saudi Arabia

2026-02-24 Health & Fitness 10 min read
BMI Guide Saudi Arabia

Obesity is one of the biggest health challenges in Saudi Arabia, with rates exceeding the global average. Body Mass Index (BMI) is an essential tool for assessing your weight and health. In this guide, we explain everything you need to know.

What is Body Mass Index (BMI)?

BMI is a measure that uses height and weight to determine whether a person is underweight or overweight. It is calculated using the formula:

BMI = Weight (kg) / Height (m)²

BMI Classifications

BMIClassificationRisk Level
Below 18.5UnderweightModerate
18.5 - 24.9Normal weightLow
25 - 29.9OverweightElevated
30 - 34.9Obesity Class IHigh
35 - 39.9Obesity Class IIVery High
40+Morbid ObesityExtremely High

Obesity in Saudi Arabia: Alarming Numbers

Statistics indicate:

  • Over 35% of adults in Saudi Arabia are obese
  • About 70% are overweight or obese
  • Saudi Arabia has one of the highest Type 2 diabetes rates globally
  • Childhood obesity is steadily rising

Causes of High Obesity Rates

  • Sedentary lifestyle and car dependency
  • Hot weather limiting outdoor activity
  • Eating habits (large portions, fast food, sweets)
  • Lack of health and nutrition awareness

Health Risks of Obesity

  • Type 2 diabetes
  • Cardiovascular disease
  • High blood pressure and cholesterol
  • Joint and bone problems
  • Certain types of cancer
  • Mental health issues and depression

Practical Tips to Improve Your BMI

Nutrition

  • Gradually reduce portion sizes and use smaller plates
  • Increase vegetables, fruits, and protein intake
  • Reduce sugars, soft drinks, and fast food
  • Drink water 30 minutes before meals

Physical Activity

  • Walk at least 30 minutes daily
  • Do strength training 2-3 times per week
  • Take stairs instead of elevators
  • Join a gym or exercise at home

Limitations of BMI

Despite its usefulness, BMI has limitations:

  • Does not distinguish between muscle mass and fat (athletes may appear overweight)
  • Does not account for body fat distribution
  • Less accurate for elderly, children, and pregnant women

Therefore, additional measurements like waist circumference and body fat percentage are recommended.