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Average Testosterone Levels by Race and Age

If you’re interested in finding out the average testosterone levels, then you’re not alone. Testosterone is a highly important hormone that’s involved in a large number of bodily functions, ranging from sexual health to muscle growth. Knowing the average levels of this hormone can help you figure out if you have a deficiency.

However, it’s not always that easy. There are differences in testosterone levels by race, age, and gender. It can take a little bit of digging to figure out what the optimal testosterone levels are for you. That’s what we’re here to help you figure out.

In this article, we’re going to discuss the average testosterone levels by age and race so you can deduce whether or not you need to make some changes in your diet or lifestyle to improve (or, God forbid, decrease) your testosterone levels.

What are average testosterone levels?

Testosterone is one of the most versatile and important hormones in the human body. Testosterone is often associated with ‘manliness,’ and while this might be the case, it’s actually just as important for females.

Testosterone is involved in a lot of different things, including:

  • The regulation of libido, sex drive, and sexual function
  • The growth of muscle tissue and muscle mass
  • Energy levels and motivation
  • Balancing the emotions, maintaining a stable mood and improving cognitive health

There are a number of reasons that a person might want to understand what the average testosterone levels are. For one thing, if you have an imbalance in testosterone – say, you’re producing too much or too little – then you might experience some unpleasant side effects as a result.

Some symptoms of excessive testosterone, a condition known as hypogonadism, can differ between men and women. Excessive testosterone can also be caused by the use of drugs like steroids.

Conversely, a condition known as hypogonadism can lead to an entirely different set of problems related to a lack of testosterone. Since girls generally produce less testosterone than guys, hypogonadism is a condition that’s often diagnosed in men.

There are a number of symptoms for each of these conditions that we will go into detail about later in the article.

Average testosterone levels by age groups and sexes

Sex hormones and ageing. Levels of Testosterone for males and females, and Estradiol for men and women

There are significant differences in testosterone levels depending on the age and sex of the individual. Here are some of the average ranges of testosterone levels: The values are measured in ng/dL or nanograms per deciliter. A nanogram is a billionth of a gram, and a deciliter is a tenth of a liter – meaning that measures are taken in how many billionths of a gram are found per 100 mL of blood.

Anywhere within the described number would be considered an ‘average’ testosterone level, so there can be quite a bit of fluctuation between the levels of testosterone even in healthy people.

Infants and children

  • Males, between 0-5 months: 75-400 ng/dl
  • Males, between 6 months to 9 years: Less than 7-20 ng/dl
  • Males, 10-11 years: Less than 7-130
  • Females, between 0-5 months: 20-80
  • Females, between 6 months and 9 years: Less than 7-20
  • Females, 10-11 years: Less than 7-44

Teenagers and Adolescents

  • Males, between 12-13 years: Less than 7-800 ng/dL
  • Males, 14 years: Less than 7-1200
  • Males, 15-16 years: Less than 100-1200
  • Males, 17-18 years: 300-1200
  • Females, 12-13 years: Less than 7-75
  • Females, 14 years: Less than 7-75
  • Females, 15-16 years: Less than 7-75
  • Females, 17-18 years: 20-75


  • The average testosterone levels for males over the age of 19 are between 240-950 ng/dL.
  • The average levels for females are between 8-60 ng/dL.

Is there a difference in testosterone levels between races?

Things get even more complicated when you bring in the issue of race. The average testosterone levels by race may not always be the same as those described above. When one brings in the ethnic background and race of various individuals, things can be even more complicated.

(It should be clarified that a person’s race, we are discussing their physical characteristics: skin tone, muscle strength, body type, etc. When we are talking about ethnicity, we are referring to their cultural background).

There are a number of biological and physical characteristics that people from different races express. For example, black people are generally considered to be more muscular than Caucasians. This is not always the case, but it is the case often enough that it is worth noting.

Many of these changes could be attributed to the different amounts of hormones produced by people of different races. But is that actually the case?

Some studies have been done in the area, and one of the most conclusive studies realized that black men have a slightly higher amount of dihydrotestosterone, or DHT. This was reduced during a study in which 1900 men were evaluated. The men were black, white, and Hispanic, spanning an age range between 30 and 79.

For the most part, there wasn’t any significant difference in the number of hormones – testosterone, sex hormone binding globulin, or DHEA. However, the black men were shown to have slightly higher amounts of DHT – though not enough to account for the perceived physical differences in their body structure.

Another test revealed that younger black men had higher adjusted testosterone levels. However, this conclusion was drawn in relation to the amount of belly fat found in the subjects. Black men typically have less body fat and more muscle mass, and when these factors weren’t accounted for, the differences seemed negligible.

Signs and symptoms of low testosterone levels in males and females

medical illustration of the symptoms and consequences in man to have a high level or a low level of testosterone

Low testosterone levels can be very problematic, for either gender. Low testosterone can be caused by a condition known as hypogonadism, during which the body isn’t able to produce enough testosterone.

It can also be caused as men grow older, or for women when they begin to go through menopause. The hormonal changes experienced by women during this period are often more extreme than the gradual emergence of andropause symptoms.

Whatever the case, low testosterone can cause a number of symptoms in both genders. Here are some of the most common symptoms experienced by males:

  • Erectile dysfunction and sexual difficulty
  • Low sperm count, decreased fertility
  • Depression and mood instability
  • Lethargy and lack of motivation
  • Problems getting to sleep or sleeping too much
  • A decrease in body hair, premature baldness
  • Loss of muscle mass and physical strength

And here are some of the most common symptoms experienced by females:

  • Irregular periods or missed periods
  • Decrease in libido
  • Dryness of the vagina
  • Weak or frail bones
  • Problems getting pregnant

When high testosterone levels might be a problem

High testosterone levels are often idealized in the modern world, especially for bodybuilders and athletes. Unfortunately, increasing the amount of testosterone present in your body can cause a number of issues.

One of the main issues associated with high testosterone levels can be androgen insensitivity syndrome. This is a condition that can arise naturally, but can also occur when someone is ingesting too many androgens – that is, male sexual hormones. Steroids.

When you’re consuming higher levels of steroids than your body produces, it will naturally respond by trying to maintain equilibrium. It does this by effectively desensitizing your body to the influx of hormones. This means that when you stop using steroids, you won’t be sensitive enough to really feel your own hormones.

There are a number of other reasons that high testosterone levels could cause issues, especially in men who are using androgenic steroids. Testosterone goes through a process known as aromatization, in which testosterone is converted to estrogenic steroids. Sounds bad?

It sure can be – especially when men are taking huge doses of steroids. Ultimately, this means that they will then have to deal with the side effects of high levels of estrogen – which accounts for many of the side effects of androgens that men experience.

Regardless, symptoms of high T can differ between women and men, as well as the time that they experience the increase. For men who are experiencing estrogenic side effects of steroids, side effects might include:

  • Increased breast tissue, ‘man boobs’ or gynecomastia
  • Decreased testicular mass
  • Decreased sperm count and fertility
  • Loss of body hair, premature baldness
  • Decrease in libido

Some young teens and adolescents may also simply experience high T levels naturally – a condition known as hypogonadism, during which their body produces more testosterone than they may want or need. Symptoms for boys can include:

  • Excessive muscle mass
  • Increased sex drive
  • Spontaneous erections, nocturnal emissions
  • Acne and mood swings

Girls are more likely to experience a condition known as polycystic ovary syndrome. This happens when the ovaries produce more testosterone than they need to be, and can lead to symptoms like:

  • Early or irregular periods
  • Early development of breasts
  • Oily skin
  • Thick or coarse body hair
  • Acne and mood swings

How to test your testosterone levels

If you want to get your testosterone levels tested, it’s not too difficult. The first thing that you’ll probably want to do is get to your doctor.

Your doctor will check in with you regarding your medical history and perform an examination with you. During this time, if you are a man, they will likely check if you use any steroids, if you had issues during puberty, and check if you have any symptoms of low testosterone.

If you’re a woman, your doctor will probably run checks on your menstruation history, see whether or not you’ve had issues with acne or facial hair, and observe your muscle bulk.

A simple blood test after this will determine your testosterone levels. If you are displaying symptoms of high testosterone then this will confirm that the issue is actually related to high or low levels of the hormone.

How to increase testosterone levels naturally

If you’re struggling with low testosterone levels, there are a few things that you can do to naturally boost your levels without needing to take steroids or androgens.

One of the best ways to boost your T levels is to exercise. Of all the types of exercise available, you’ll probably want to do some form of HIIT – high-intensity interval training – or other strength training.

High-intensity exercises done with low repetition are the most effective way to increase your muscle mass and strength quickly. HIIT has also been proven to increase the amount of free testosterone available in athletes.

Eat Well
Your body needs vitamins, minerals and nutrients to function properly. One of the things that it needs these things for is helping you create hormones that are important for sexual function.

If you’re hoping to eat a diet that improves your T levels, make sure that you consume lots of zinc, vitamin D, and healthy fats – including cholesterol. All of these things are important for boosting T levels.

Take Supplements
There are lots of supplements that can help you boost T levels or provide benefits that mimic those of enhanced T levels, without causing any of the side effects associated with androgens.

TestoGen is a good example. TestoGen combines a number of natural ingredients that work together to encourage your body to produce testosterone, in addition to helping provide stimulation and libido boosting.

  • Zinc. Zinc is one of the most important minerals for sexual health and testosterone production.
  • Korean red ginseng. This herb has been used for millennia to boost libido and enhance energy levels.
  • Fenugreek is an herb and culinary ingredient associated with enhanced libido and T levels.

Combining a supplement like this with a healthy diet and a good exercise routine including a lot of strength training is guaranteed to boost T.

In Conclusion

It’s important to figure out what the average testosterone levels by age and race are. This can help you determine if you fall within a healthy range.

Hopefully this article has helped you better understand the nuances and differences of testosterone levels between different individuals.

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