In rare cases, some may continue to grow into their early twenties. At age 16, you can drive a car. At 18, you’re legally an adult in most states. At 21, you can legally buy alcohol. But at what age do you stop growing taller? Even if you hit puberty late, you’re unlikely to grow significantly after the ages of 18 to 20. Most boys reach their peak height around the age of 16. However, men still develop in other ways well into their twenties. In this article, we’re going to discuss when guys typically stop growing and factors that determine how tall you’ll be. In this article, we talk about how long people assigned male at birth keep growing. It’s important to note that not everyone assigned male at birth identifies with the label "man" or "guy" or "boy." However, at times we use these terms to reflect the language in a study or statistic.
We also occasionally use these terms to make sure people can find this article with the terms they search. When possible, we aim to be inclusive and create content that reflects the diversity of our readers. At what age do boys stop growing? Boys grow fastest during puberty. Puberty can last two to five years. Spending more time in puberty doesn’t mean that you’ll be taller than somebody who spends less time in it. Growth charts show that majority of guys grow just a little after the ages of 18. In rare cases, some people may hit puberty in their late teens and continue to grow into their early twenties. The reason most guys stop growing at this age is because their growth plates fuse shortly after puberty. Growth plates are layers of cartilage found near either end of long bones of children and adolescents. They’re the part of the bone that grows longer. Once a bone is fused, Prime Boosts it can’t continue to grow longer.
What factors influence height growth? Your height is largely determined by your genetics. External factors like the amount of sleep you get and your nutrition also play a role in determining how tall you’ll grow. Genetics play the largest role in determining how tall you’ll be. It’s estimated that about 80 percent of your height is determined by your genetics. The other 20 percent is influenced by external factors. 1. Add the heights of the child’s mother and father together and divide by two. 2. If the child is a boy, add 2.5 inches. If the child is a girl, subtract 2.5 inches. For example, if a male child’s dad is 5’11" and mom is 5’4," the child will likely be around 5’10." However, this is just a rough guide, not an exact prediction. Besides your genetics, nutrition has the biggest influence on your height. Children who don’t get enough of one or more essential nutrients often experience stunted growth. Protein deficiency is the common nutrient deficiency that limits height.
Mineral, vitamin D, and vitamin A deficiencies also impact growth. Your body produces growth hormone and thyroid-stimulating hormone when you’re sleeping. Both these hormones are essential for the proper development of bones. Not getting adequate sleep is thought to stunt growth, although more research is needed to fully understand the role of sleep on height development. Some stimulant medications used to treat attention deficit disorder may cause delays in growth. However, more research is needed to understand their effects. A 2015 observational study looked at the link between central stimulants to treat ADHD and stunted growth. The study assessed 410 children between the age of 0.9 to 16.1. The researchers found that the medication led to a temporary halt in both increases in height and weight. Even after taking medication for six years, the children still hadn’t caught up to their predicted growths. Another study published in 2014 followed a cohort of 340 kids with ADHD into adulthood. They concluded that stimulant medication didn’t affect the children’s height in adulthood.
Various genetic or chronic conditions can lead to stunted growth. According to the Centers for Disease Control and Prevention, the average height of men in the United States is about 5 foot 9 inches. Is there anything you can to do influence your growth or height? There’s little you can do to influence your height once your growth plates fuse. Even regular exercise and a healthy diet are unlikely to influence your height. You may be able to make a small gain in height by improving your posture. Improving your posture will help straighten your spine but won’t make your bones grow longer. Your height fluctuates by roughly 0.3 inches from the time you wake up to the time you go to bed due to compression on your spine throughout the day. If you measure yourself in the morning, you’ll likely notice that you’re slightly taller than you are in the evening. If you’re still growing, eating a balanced diet and getting plenty of sleep can help you maximize your genetic potential for growth. It’s important for children to get regular checkups with a pediatrician so they can have their growth tracked over time. Their doctor can compare their growth curve those of other children their age to see if they’re progressing normally. A doctor can also answer any specific concerns you may have about your or your child’s height. Your genetics are the biggest factor that determine how tall you’ll be. External factors like your diet and the amount of sleep you get as you’re growing also play a role in determining your health. The growth plates of your long bones fuse shortly after puberty. Once these bones fuse, there’s little you can do to change your height. Most guys reach their adult height in their late teens.