What Is The Average Height for a 13-year-old?

Average height of a 13 year old

Puberty and adolescence are times when the body undergoes many changes. A child’s physical development includes changes in height, weight, and other physical traits as they grow. Growth affects different parts of the body in different ways. It is important to remember that the average height of a 13-year-old will vary depending on things like genetics and diet.

The average height for a 13-year-old boy as approximately based on the 50th percentile.

Average height of a 13 year old

The average height for a 13-year-old girl as approximately based on the 50th percentile.

Average height of a 13 year old

How Does Puberty Affect Teenagers’ Growth?

Puberty comes with several changes in the body, these changes are physical, mental, emotional, and psychological. The most significant change that puberty brings is the increase in height or growth of the complete body. Girls tend to grow in height faster than boys, however, on reaching adolescence the height of boys increases rapidly.

RELATED: How to Motivate a Teenager Who Doesn’t Care

The Difference Between Puberty and Adolescence

Adolescence occurs between the ages of 10 to 19 years old. The age group 13 to 19 years old is commonly called the teenage years. The process of adolescence and puberty can be compared as a journey and a phase respectively. As the individual reaches this age, he or she undergoes many transformations.

 Signs You’re Going Through Puberty?

Puberty is the actual changes of the body, that happen to the child from age ranging from around 11 to 19 years old. It is the age during which many transformations happen in the individual.

Puberty marks the beginning of these changes. Puberty is a stage of life that all animals go through when they mature from childhood. Children usually enter puberty between 11 and 13 years of age. Even boys as young as nine and as old as 16 years old can begin the process for the first time.

Rate of Growth In Girls vs Boys

When boys reach adolescence, they increase rapidly. During the adolescent years, their growth and height are maximum. The principal reason is bone elongation. This is when long bones in our body that are the bones of the arms and legs get elongated. It is, however, that the growth rate and the time required for growth will be different in the individuals.

Along with the hormones that bring about the elongation of bones in our body, nutrients are equally important too, the nutrients supply to the growing bones and muscles makes sure that all the parts grow appropriately.

Adolescent individuals go through a lot of physical changes one, significant change which is also the most is the increase in height. The rate at which the change in height occurs will be different for every individual.

Change in Body Shape

As well as changes in height, the body of a person will also change in shape. The width of the body also has to increase to make the growth proportional. Adolescent boys develop broader shoulders while adolescent girls may develop a wider hip area.

Some noticeable differences between adolescent boys and girls are:

  • Boys have prominent growth in their muscles
  • Boys get a deeper voice because the size of the larynx or voice box increases
  • Breast development
  • Broadening of the Hips


What is adolescence? Adolescence is when several changes occur in a child’s body, which turns a boy or girl into an adult.  This period is remarkably mocked by physical and mental, emotional, and psychological changes in the body.

Most boys start to grow between the ages of 12 and 15 and would have completed by about 18 or 19 years old. There are some boys who may still have about a year or so before they reach their maximum height and several boys or young men may notice that later in their teenage years, they start to grow another inch or two.

Signs Girls are Going Through Puberty

Period Starts

Reproductive maturity is the most significant characteristic of adulthood.

For girls; around the age of 7 to 13, their ovaries begin producing estrogen. Essentially, her body is preparing itself for an eventual pregnancy by producing thousands of eggs a month.

Girls pass an egg from their ovaries into their uterus through the fallopian tube until they reach menopause. A hypothetical baby would receive nourishment and protection from blood and extra tissue. In contrast, when she is not pregnant, her body gets rid of those things that aren’t needed within the next five to seven days. The result is her period.

During the first few days, the hormones may cause her to experience mood swings.

Other Physical Changes

The body is covered with hair. The chest, back, and cheeks have short, vellus hair that helps regulate the body’s temperature. You will find hair in your armpits, on other parts of your face, and in other parts of your body. This hair is usually unwanted hair and is usually shaved or waxed. if you decide to shave or wax, it is important that teens first do research on the risks and appropriate use of hair removal methods before choosing the one that’s best for them.

Breast Buds

Between the ages of 8-12, or even later some girls’ breasts begin to grow. It is normal to experience tenderness around the breasts and nipples. One thing to note is that breasts will not be growing at the same rate, be aware that this is completely normal.

Those experiencing rapid growth in their breasts, hips, and thighs might also notice stretch marks. The stretch marks on the legs and breasts will most likely fade over time, and you may experience breast tenderness once a month when you are pmsing. 

Signs Boys are Going Through Puberty

When boys reach puberty, one of the first signs is the brand-new pubic hair on their testicles. In addition, the testicles will begin to swell as they begin producing testosterone and sperm and gradually, the testicles will lower themselves from their usual position. In addition to thick dark and sometimes curly hair, puberty brings new growth to your face, underarms, and legs as your pubic hair grows. 

  • The testicles have been tucked away so they do not overheat while the sperm cells are flooding the body.
  • Another noticeable change with boys as they reach puberty is the remarkable growth spurts in the chest, shoulders, and arms. This growth doesn’t always occur at the same rate or even in the same proportion; this is entirely normal.
  • A voice break is a sure sign of puberty, as testosterone thickens the vocal cords and the lyrics, which causes the voice to change dramatically and overnight. There may be several instances when the voice pops in and out of the new pitch before it settles.
  • The sweat glands are also activated by puberty, and boys will soon have a new problem on their hands. Boys who might have been able to run around all day as a child without needing to take a bath will find that once puberty hits they will need to make a habit of showering regularly and using a good antiperspirant.
  • Erections are another thing that can happen during puberty, regardless of what the boy child may be doing. Whether he is excited or not, the body will be performing a lot of tests to make sure everything is working. The phenomenon happens to boys when they sleep too, in fact, most boys will experience ejaculations or wet dreams at least once in their lifetime.
  • One of the least popular puberty changes is acne. The excess sweat on the skin can get trapped in airports and form whiteheads or solid blackheads. There’s no way to prevent breakouts except by regularly washing your face and taking some prescription medication.

Final Thought

The height of every 13-year-old isn’t the same or universally acceptable. In the end, what matters most is that the child is healthy and that their needs are met. Children become capable of understanding abstract concepts during adolescence and building fulfilling relationships.

Physiologically normal puberty commences during adolescence, and the transition to adulthood occurs when a person adopts adult traits and characteristics no matter their height.

Leave a Comment

Your email address will not be published. Required fields are marked *

Related Posts