The average height for an 18-year-old

by   |   Nov 28, 2023
5/5 - (1 vote)

As teenagers grow older, it’s natural to wonder what the “normal height” is for an 18-year-old. Height, which often symbolizes growth and maturity, is not only personally interesting but also affects health, self-confidence, and how we interact with others. In this article, we will look at what’s typical for the height of 18-year-olds, what factors can make a difference, how it varies among different groups of people, and why it’s important in the context of growing up.

What is the average height for an 18-year-old?

The average height for an 18-year-old can vary depending on many factors, such as genetics, nutrition, and overall health. However, on average, 18-year-olds in many parts of the world tend to fall within a range of approximately 5 feet 5 inches (165 centimeters) to 6 feet (183 centimeters) for males and around 5 feet (152 centimeters) to 5 feet 6 inches (167 centimeters) for females.

What are the factors that affect the height of an 18-year-old?

The height of an 18-year-old, like that of individuals at any age, can be influenced by a combination of genetic, nutritional, hormonal, and environmental factors.

average height for an 18-year-old


A person’s genetic composition determines a large percentage of their height. Genes that decides a child’s potential for growth are inherited from its parents. It is more probable that tall parents will have tall offspring.


Adequate nutrition is essential for proper growth. Malnutrition or a diet lacking in essential nutrients during childhood and adolescence can potentially stunt growth. Getting sufficient calories, protein, vitamins, and minerals is important for reaching one’s full height potential.


Growth during adolescence is largely controlled by hormones, especially growth hormones and sex hormones, like estrogen and testosterone. Growth hormone promotes the development of tissues and bones. Growth in teenagers can be impacted by any imbalance in hormones.


Sleeping well is essential for development and growth. The body releases growth hormone while you sleep deeply, which is essential for gaining height. Sleep disturbances or insufficient sleep can impede this process.

Physical activity

Regular physical activity and exercise can promote bone health and stimulate the release of growth hormone. However, excessive intense training in certain sports can potentially delay growth if not balanced with proper nutrition and rest.

Health conditions

Chronic illnesses or medical conditions during childhood and adolescence can affect growth. Conditions, like celiac disease, hormonal disorders, and kidney disease, can interfere with growth if not managed properly.

Puberty timing

Everybody’s puberty happens at a different time. While early developers may have earlier growth spurts, late bloomers may continue to grow taller during their later adolescent years.

Environmental factors

Environmental factors, such as exposure to toxins, pollution, and stress, can potentially affect growth, although their impact is generally less significant than genetic and nutritional factors.

When should you be concerned about your 18-year-old’s growth?

No growth for an extended period

If an 18-year-old has not shown any significant growth in height for a year or more, it may be cause for concern.

Significantly shorter than peers

If a teenager is considerably shorter than their peers of the same age and gender and has consistently fallen below the growth curve on growth charts, it may warrant medical evaluation.

Rapid or excessive growth

If a teenager experiences an extremely rapid growth spurt or grows significantly taller than their family’s average height, it’s a good idea to consult a healthcare provider to rule out underlying medical conditions.

Delayed puberty

If an 18-year-old has not yet entered puberty, this can be a cause for concern. Delayed puberty can sometimes be linked to underlying medical issues that affect growth.

Stunted growth

If there are signs of malnutrition, chronic illness, or hormonal imbalances that could be affecting growth, it’s essential to seek medical attention.

Symptoms of underlying health issues

If a teenager exhibits symptoms, such as unexplained weight loss, chronic pain, changes in vision, or other unusual symptoms, along with growth concerns, it’s crucial to consult a healthcare professional.

Concerns about overall health

If there are broader concerns about a teenager’s overall health and well-being, such as persistent fatigue, frequent illness, or developmental delays, these issues may be linked to growth concerns and should be discussed with a healthcare provider.

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How to grow taller at 18 years old?

Growing taller at 18 years old is primarily determined by genetics and the growth plates in your bones closing. However, there are some healthy lifestyle choices and habits that can help maximize your growth potential and ensure you reach your full height. Keep in mind that there are no guaranteed methods for increasing height, and individual results can vary. Here are some tips:


Sufficient nutrition and a well-balanced diet are essential for healthy growth. Aim for an adequate intake of calories, protein, calcium, vitamins (particularly D and E), and minerals. Vitamin D and calcium are necessary for healthy bones.

Adequate sleep

Growth depends on getting enough sleep because deep sleep causes the body to release growth hormones. Aim for 8 to 10 hours each night of restful sleep.

Regular exercise

Take part in regular physical activity, such as weight training and stretches. Even though exercise won’t immediately raise your height, it can help you look taller by enhancing your posture.

Maintain a healthy weight

Being underweight can potentially stunt growth, so ensure that you’re maintaining a healthy weight for your age and height.


Be mindful of your posture. You may appear shorter than you are if you have bad posture. To make the most of your height, stand or sit upright.

Avoid smoking and alcohol

Smoking and excessive alcohol consumption can hurt growth, so it’s best to avoid these substances.

Reduce stress

Growth may be hampered by persistent stress. Engage in stress-reduction practices, including yoga, meditation, and deep breathing.

Consult a healthcare provider

If you have concerns about your growth, consider consulting a healthcare provider, preferably a pediatrician or an endocrinologist who specializes in growth and hormones. They can assess your overall health and determine if there are any underlying issues affecting your growth.

Stay hydrated

Proper hydration is essential for overall health, including bone health.

Genetic counseling

If you’re concerned about your height and believe it may be related to a genetic condition, genetic counseling can provide insights into your growth potential and any underlying genetic factors.

In conclusion,

The average height for an 18-year-old is a complex interplay of genetics, nutrition, and environmental factors. While general height ranges have been discussed for both males and females, it’s important to recognize that each person’s height journey is unique. Height should be viewed in the broader context of overall health and well-being, and it should never define an individual’s value or potential. Instead of fixating on numbers, we should celebrate the diversity of human growth and development.


Joy Bauer is a renowned physician and nutrition expert who has dedicated her career to helping people live healthier, happier lives. With over two decades of experience in the field of health and wellness, Dr. Bauer has become one of the most trusted voices in the industry.
About This Researcher
One of Dr. Bauer’s areas of expertise is in the field of height growth. She has worked with countless patients over the years who were looking to increase their height naturally, and has developed a range of effective strategies and techniques to help them achieve their goals.

Dr. Bauer believes that a healthy diet and lifestyle are essential for optimal growth and development. She works closely with her patients to develop personalized nutrition plans that are tailored to their unique needs and goals. These plans include a variety of nutrient-dense foods and supplements that are designed to support healthy bone growth and development.

In addition to her work in height growth, Dr. Bauer is also a leading expert in the areas of weight loss, disease prevention, and overall wellness. She is a regular contributor to a number of popular media outlets, including The Today Show, The Dr. Oz Show, and Good Morning America.

If you’re looking for a physician who is passionate about helping you live your best life, look no further than Dr. Joy Bauer. With her expertise, compassion, and commitment to excellence, she is the ideal partner for anyone who is looking to achieve their health and wellness goals.

The reason behind the creation of the website HowToGrowTaller is to provide effective guidance and support to individuals who are looking to increase their height naturally. Dr. Joy Bauer recognized that many people feel self-conscious or insecure about their height, and that there is a great deal of misinformation out there about how to grow taller.

With HowToGrowTaller, Dr. Bauer wanted to create a comprehensive resource that would provide individuals with the tools, knowledge, and support they need to achieve their height goals. The website includes a wide range of resources, including nutrition plans, exercise routines, and other proven strategies that are designed to support healthy growth and development.

One of the key benefits of HowToGrowTaller is that it is a one-stop-shop for all things related to height growth. Instead of spending countless hours researching different strategies and techniques, individuals can turn to the website to access everything they need in one convenient location.

Overall, the goal of HowToGrowTaller is to help individuals feel more confident and empowered in their bodies. By providing them with the resources and support they need to grow taller naturally, Dr. Bauer hopes to help people achieve their height goals and improve their overall quality of life.

Researcher Locations:

33 Whitehall Street, New York

Education & Training
Pediatric Psychology – Nemours Childrens Clinic – Jacksonville, 2003

Child Psychology – University of Florida, 2002

Board Certifications
American Board of Professional Psychology

Areas of Research


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