With the release of the 2025 updated growth charts , parents now have more reliable references to better understand and monitor their children’s physical development. Every parent hopes their child can grow up healthy and tall, but in reality, the process and speed of growth vary from one child to another.
In fact, the growth curve from infancy to age 18 plays a critical role in a child’s height development. By understanding a child’s individual growth curve, parents can not only track their child’s growth progress but also intervene early when needed—by choosing appropriate height-boosting exercises and a nutritious diet. This helps create the optimal environment for growth, supporting children in achieving their ideal height goals.
What is a Growth Curve?
A growth curve is a tool used by medical professionals to assess a child’s height, weight, and other physical indicators. While every child grows at a different rate, their development should generally follow a recognizable trend within a standard growth curve, which shifts as they age.
According to the 2025 Hong Kong Growth Charts , we can clearly observe the height standards for each age group. These references help parents determine whether their child's development falls within a healthy and expected range.
Department of HealthThe Government of the Hong KongSpecial Administrative Region
Department of HealthThe Government of the Hong KongSpecial Administrative Region
Understanding the Importance of Growth Curves
Every child has a unique growth curve , so regularly measuring and tracking their height development can help parents determine whether any intervention is needed . Maintaining a balanced diet and healthy exercise habits can significantly support a child’s development, especially during their peak growth periods .
2025 Hong Kong Growth Chart Data for Infants to 18-Year-Olds
Infancy (0–2 years)
During infancy, specific height-boosting exercises are not necessary. However, proper nutrition and sufficient sleep are crucial for healthy growth. According to the latest Hong Kong growth charts, the average height progression for infants is as follows:
At birth : Boys ~50 cm, Girls ~49 cm
6 months : Boys ~66 cm, Girls ~65 cm
1 year : Boys ~76 cm, Girls ~74 cm
2 years : Boys ~88 cm, Girls ~86 cm
At this stage, a child's height development is primarily influenced by genetics and nutrition.
Childhood (Ages 3–6)
As children enter the preschool stage , their growth rate begins to slow slightly but continues to progress steadily. During this period, parents should start paying closer attention to their child’s diet, ensuring they receive sufficient protein, calcium, and vitamin D to support bone development.
Average Height by Age:
3 years : Boys ~95 cm, Girls ~94 cm
4 years : Boys ~102 cm, Girls ~101 cm
5 years : Boys ~108 cm, Girls ~107 cm
6 years : Boys ~114 cm, Girls ~113 cm
At this stage, incorporating height-boosting exercises , such as jumping and light stretching, can greatly support bone development and healthy growth.
School Age (Ages 7–12)
During the school-age years , children's growth rate accelerates again , particularly between ages 7 and 9 , which is considered one of the major height growth spurts. In this period, children may gain 5–6 cm in height per year .
Parents can support this rapid growth phase by providing a balanced diet and considering nutritional supplements for height development , as needed.
Average Height by Age:
7 years : Boys ~120 cm, Girls ~119 cm
8 years : Boys ~127 cm, Girls ~126 cm
9 years : Boys ~133 cm, Girls ~132 cm
10 years : Boys ~139 cm, Girls ~138 cm
11 years : Boys ~145 cm, Girls ~144 cm
12 years : Boys ~150 cm, Girls ~149 cm
At this stage, the keys to growing taller include adequate nutrition , regular physical activity , and sufficient sleep .
Adolescence (Ages 13–18)
As children enter puberty , their growth rate typically accelerates again due to hormonal changes. For girls, puberty usually begins between ages 11 to 13 , with rapid height increases peaking between ages 13 to 15 . For boys, the growth spurt typically peaks later, around ages 14 to 16 .
Average Height by Age:
13 years : Boys ~155 cm, Girls ~155 cm
14 years : Boys ~163 cm, Girls ~160 cm
15 years : Boys ~168 cm, Girls ~163 cm
16 years : Boys ~173 cm, Girls ~165 cm
17 years : Boys ~176 cm, Girls ~165 cm
18 years : Boys ~178 cm, Girls ~165 cm
During this period, moderate height-boosting exercises continue to play a key role in supporting height development. As the body matures, the growth rate naturally slows down.
How to Promote Height Growth in Children
1. Balanced Diet & Essential Nutrients
Nutrition is the foundation of healthy growth. Providing adequate calcium, protein, vitamin D, and zinc is vital for height development.
Calcium supports bone growth.
Vitamin D enhances calcium absorption.
Zinc plays a role in cell division and growth.
2. Height-Boosting Exercises for Stronger Bones
Appropriate exercises can effectively stimulate bone development. Activities involving jumping and stretching —such as jump rope, basketball, and swimming —are especially beneficial for promoting height.
3. Quality Sleep to Trigger Growth Hormones
Growth hormone is primarily released during deep sleep . Ensuring children get enough rest is critical for growth.
School-aged children should sleep at least 8 hours per night .
Teenagers typically need even more sleep to support their rapid development.
4. Supplementing with Height Nutrition Products
As children grow older, in addition to a healthy diet, height-enhancing supplements can offer additional support.
For example, OKAMI Japanese Bone Growth Formula contains scientifically proven patented ingredients that support bone development and accelerate growth—helping children reach their ideal height goals .
Understanding your child’s growth curve and learning how to support height development is essential for every parent.
OKAMI Japanese Bone Growth Formula is an ideal choice for helping children grow taller in a healthy and natural way. When combined with appropriate height-boosting exercises and a balanced lifestyle, it can effectively support children in reaching their optimal height goals , laying a stronger foundation for their future.
OKAMI Bone Growth Supplement
【Height Increase | Bone Growth | Natural Health Supplements】
1. Bonepep® Patented Peptide Growth Factor
- Increases the number of bone-forming cells, enhances maximum bone growth potential, strengthens bone growth dynamics
2. L-Vita Growth Amino Acid Complex Technology
- Stimulates growth hormone, activates insulin-like growth factor, promotes cell growth
3. α-GPC Natural Growth "Hormone"
- Enhances brain function and memory, improves exercise and sleep quality, shapes muscles
All-natural Ingredient Composition, Empowering Children to Grow Without Worries
1. Developed in Japanese GMP facilities.
2. Ingredients pass ISO 22000 safety tests.
3. Absolutely no Western medicine ingredients or hormones.
4. A natural ingredient combination tested in clinical trials.
5. Suitable for long-term use at any age.
Frequently Asked Questions (FAQ)
Q1: How can I tell if my child’s height is within the normal range?
Parents can refer to Hong Kong’s official growth charts , which indicate height ranges by age and gender to see if their child falls within a healthy percentile.
Q2: Does nutrition affect my child’s height?
Yes, nutrition plays a major role in height development, especially nutrients like protein, calcium, and vitamin D .
Q3: When does the key growth spurt usually begin?
Girls typically enter their peak growth phase between ages 11–13 , while boys experience it around ages 13–15 .
Q4: How can I support my child’s growth during puberty?
Ensure they have a balanced diet , adequate sleep , regular exercise , and consider supplements that support bone development .
Q5: Can height be improved through dietary supplements?
Yes, supplements containing height-supporting nutrients can promote healthy bone growth and overall development.
Q6: When should children start taking height-enhancing supplements?
Children can start during the school-age stage , especially as they approach puberty when additional support becomes more important.
Q7: What are the benefits of OKAMI Japanese Bone Growth Formula for children?
OKAMI helps promote bone development , increases bone density , stimulates growth hormone secretion , and supports overall height growth in children.
Q8: Does OKAMI Bone Growth Formula have any side effects?
This product is made with natural ingredients , has undergone safety testing , and is free from side effects , making it suitable for long-term use.
Q9: How should height-increasing exercises be paired with OKAMI?
While taking OKAMI, children are encouraged to engage in activities like swimming, jump rope, and basketball to further support height development.
Q10: How long does it take to see noticeable results?
Visible results typically appear after 3 to 6 months of consistent use, combined with a healthy diet and regular exercise .
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