Average Height For Men: U.S., Global, By Age
Discover average male heights in the U.S. and worldwide, factors influencing stature, and what these trends reveal about health and nutrition.
The average height for adult men in the United States is approximately 69 inches (5 feet 9 inches), based on data from 2015-2018 for males aged 20 and older. This figure varies significantly by country, age group, and influenced by factors like genetics, nutrition, and environment. Understanding these averages helps assess population health trends, nutritional status, and even design ergonomic products.
Average Height for Men in the U.S.
According to the National Center for Health Statistics, from 2015 to 2018, the average height for U.S. males aged 20 and over stood at 69 inches. Height tends to peak in the 30-39 age range and gradually declines with advancing age due to factors like spinal compression and bone density loss.
| Age Group (years) | Average Height (inches) |
|---|---|
| 20-29 | 69.2 |
| 30-39 | 69.4 |
| 40-49 | 69.4 |
| 50-59 | 69.0 |
| 60-69 | 68.7 |
| 70-79 | 68.1 |
| 80+ | 67.1 |
Between 2000 and 2015, U.S. male heights showed minimal changes, unlike increases in weight, waist circumference, and BMI in the same population. These trends highlight how height stabilizes in adulthood while other body metrics fluctuate with lifestyle changes.
Average Height for Men Worldwide
Global male heights vary widely. The worldwide average for men born in 1996 is about 171 cm (67.45 inches or 5 feet 7.5 inches), per NCD Risk Factor Collaboration data. Europe and Central Asia report the tallest averages, while South Asia has the shortest.
Men in the Netherlands average 72.4 inches, the tallest globally, while Timor-Leste reports the shortest at 63.01 inches. Over the past century, global male height has increased from 63.78 inches in 1896 to 67.32 inches in 1996, with the largest gains in Iran (nearly 6.5 inches).
| Country | Average Height (inches) |
|---|---|
| The Netherlands | 72.4 |
| Germany | 70.98 |
| Australia | 70.4 |
| Canada | 70.35 |
| United Kingdom | 70.16 |
| Jamaica | 69.69 |
| Brazil | 69.17 |
| China | 69.17 |
| Japan | 69.76 |
| Mexico | 67.04 |
| Nigeria | 67.56 |
| India | 65.55 |
| Philippines | 65.04 |
Regional variations have widened over time. European and Central Asian men gained the most height last century, surpassing North Americans. South Asian men saw the smallest increases. Globally, men are about 7% taller than women on average.
Factors That Influence Height
Genetics
Genetics account for 60-80% of height variation. Parental heights strongly predict a child’s stature; tall parents tend to have taller children. Over 700 gene variants influence height, but environment modulates genetic potential.
Nutrition
Adequate childhood nutrition is crucial for reaching genetic height potential. Malnutrition stunts growth, as seen in regions with food insecurity. Improvements in diet explain much of the 20th-century height increases worldwide.
- Protein, calcium, vitamin D, and zinc are key for bone growth.
- Prenatal nutrition affects fetal development and lifelong height.
- Obesity in childhood can prematurely close growth plates, limiting final height.
Environment
Environmental factors play a significant role alongside genetics:
- Prenatal exposure to smoking or poor maternal nutrition.
- Childhood sleep quality—growth hormone releases during deep sleep.
- Urban vs. rural living, with urban areas often providing better resources.
- Posture and second-hand smoke exposure.
Socioeconomic status correlates with height; higher income often means better nutrition and healthcare.
Hormones
Growth hormone (GH), thyroid hormones, and sex steroids regulate growth. Puberty timing affects final height—early puberty may shorten stature by accelerating growth plate closure.
Medical Conditions
Certain conditions impact height:
- Gigantism: Excess GH before puberty causes extreme tallness, linked to pituitary tumors, acromegaly, Carney complex, McCune-Albright syndrome, or MEN-1.
- Dwarfism: Genetic disorders like achondroplasia limit growth.
- Chronic illnesses (e.g., celiac disease, kidney disease) impair nutrient absorption.
Taller stature (men over 183 cm) links to lower heart disease risk in some studies, but shorter heights associate with longevity.
Does Height Matter for Health?
Height reflects early-life health: taller populations often indicate better nutrition and fewer infections. However, extremes pose risks. Very tall men face higher cancer and cardiovascular risks, while shorter men may have advantages in longevity.
| Ethnic Group | Height (inches) | All-Cause Mortality | CHD Mortality | Stroke Mortality |
|---|---|---|---|---|
| African American | 178 | 1,800 | 316 | 102 |
| White | 178 | 1,243 | 302 | 60 |
| Hispanic | 172 | 856 | 175 | 49 |
| Asian Indian | 170 | 668 | 258 | 33 |
Shorter stature correlates with lower all-cause mortality in some cohorts, challenging the ‘bigger is better’ view. Averages help track public health but shouldn’t define personal worth.
Frequently Asked Questions
Is 5’7″ average height for a man?
Yes, globally. Worldwide average is 5 feet 7.5 inches, though U.S. men average 5 feet 9 inches.
How tall is the average male in the U.S.?
69 inches (5 feet 9 inches) for ages 20+, per 2015-2018 data.
What is the average height of males worldwide?
171 cm (5 feet 7.5 inches) for those born in 1996. Netherlands tallest (72.36 inches), Timor-Leste shortest (63.01 inches).
Is 5’8″ short for a man?
No, it’s slightly above global average.
Why has average height increased over time?
Improved nutrition, reduced disease, and better living standards. Global men gained ~10 cm in the last century.
Can adults increase their height?
No, growth plates fuse by early 20s. Posture improvements or surgery for medical cases are exceptions.
References
- Average Height for Men in the U.S. and Worldwide: How to Measure — Healthline. 2025-05-14. https://www.healthline.com/health/average-height-for-men
- Human Height — Our World in Data. N/A. https://ourworldindata.org/human-height
- Height, body size, and longevity: is smaller better for the human body? — PMC (NCBI). N/A. https://pmc.ncbi.nlm.nih.gov/articles/PMC1071721/
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