Curiosity about penis size is common, and many people wonder how their size compares to the average in different countries. If you’re wondering about the average penis size in Japan, this article will give you an overview of the data, how to measure accurately, and what truly matters in sexual satisfaction.

While average penis sizes can vary by race, ethnicity, and country, it’s essential to remember that size doesn’t define sexual worth or satisfaction. For precise measurements and comparison, the Dick Size Calculator is an excellent tool to help you measure your penis and track progress over time.
In this article, we’ll explore the average penis size in Japan, the factors influencing size, and how you can measure your penis accurately. We’ll also use the Dick Size Calculator to help you track your measurements and compare them to averages.
What Is the Average Penis Size in Japan?
Studies on penis size have been conducted worldwide, and the average penis size in Japan tends to be somewhat smaller compared to other countries. However, it’s important to recognize that averages vary, and there are always individual differences within any group.
Here’s an overview of the reported average penis size in Japan:
Measurement Type | Average Size in Japan |
---|---|
Average Flaccid Length | 3.0 – 3.5 inches (7.6 – 8.9 cm) |
Average Erect Length | 4.5 – 5.0 inches (11.4 – 12.7 cm) |
Average Flaccid Girth (Circumference) | 3.5 – 3.8 inches (8.9 – 9.7 cm) |
Average Erect Girth (Circumference) | 4.0 – 4.5 inches (10.2 – 11.4 cm) |
Key Takeaways from the Data
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Erect Penis Size: The average erect penis size for men in Japan is around 4.5 – 5.0 inches (11.4 – 12.7 cm), which is on the smaller end of the global average. However, it’s important to note that size varies significantly between individuals.
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Flaccid Penis Size: The average flaccid penis size in Japan tends to be between 3.0 – 3.5 inches (7.6 – 8.9 cm), which is slightly smaller than global averages but still within the normal range for adult men.
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Girth Measurements: The average girth for both flaccid and erect penises in Japan is similar to the global average. For an erect penis, the average girth is around 4.0 – 4.5 inches (10.2 – 11.4 cm), which is typical for many adult men worldwide.
How Do Japanese Men’s Penis Sizes Compare to Other Countries?
When comparing penis size across different countries, Japan generally reports a smaller average compared to countries like the United States or certain countries in Africa. However, there is still a significant amount of variation within each country, so averages don’t define every individual.
Here’s a comparison of Japan’s average penis size with other countries:
Country | Average Erect Length | Average Flaccid Length |
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Japan | 4.5 – 5.0 inches (11.4 – 12.7 cm) | 3.0 – 3.5 inches (7.6 – 8.9 cm) |
United States | 5.5 – 6.0 inches (14 – 15.2 cm) | 3.5 – 4.0 inches (8.9 – 10.2 cm) |
Brazil | 5.5 – 6.0 inches (14 – 15.2 cm) | 3.5 – 4.0 inches (8.9 – 10.2 cm) |
Nigeria | 6.0 – 6.5 inches (15.2 – 16.5 cm) | 4.0 – 4.5 inches (10.2 – 11.4 cm) |
South Korea | 4.5 – 5.0 inches (11.4 – 12.7 cm) | 3.5 – 4.0 inches (8.9 – 10.2 cm) |
Why Do Penis Size Differences Exist?
The differences in penis size across countries can be attributed to several factors, although race and ethnicity are only part of the equation. Here are a few key factors that influence penis size:
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Genetics: Just like height, hair color, and other physical traits, penis size is largely determined by genetics. Different populations inherit different physical characteristics.
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Nutrition and Health: Nutrition plays an essential role in development during childhood and puberty. Men who had access to better nutrition and healthcare during their growth years may have had more optimal development.
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Testosterone Levels: Higher levels of testosterone during puberty can lead to greater growth of the penis. Men in different regions and genetic backgrounds may have varying levels of testosterone during this time.
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Cultural and Societal Factors: Cultural and societal influences can affect how men perceive their bodies, and in some cases, how they report their measurements in studies. This can lead to biases in self-reported data.
How to Measure Your Penis Accurately
To compare your penis size to the average size for men in Japan, it’s important to measure your penis correctly. Here’s how you can do that:
1. For Length Measurement
- Achieve an erection: For an accurate measurement, ensure that your penis is fully erect.
- Use a ruler or tape measure: Place the ruler at the base of your penis, pressing it against the pubic bone. Measure from the base to the tip of your penis along the top side.
- Straight measurement: Be sure that the ruler is aligned straight along the top of the penis.
2. For Girth (Circumference) Measurement
- Use a soft measuring tape: Wrap the measuring tape around the thickest part of your erect penis, typically around the middle of the shaft.
- Ensure it’s snug but not tight: The tape should be tight against the skin but not cutting into it.
If you want to compare your size to the average for men in Japan, or any other country, the Dick Size Calculator is a great tool. This tool helps you track your size accurately and compare it to averages globally or regionally.
What Truly Matters in Sexual Satisfaction?
While it’s natural to wonder about how your size compares to others, it’s important to understand that penis size does not define sexual satisfaction. What truly matters in sexual relationships is emotional intimacy, communication, and mutual respect.
Here are a few key factors that contribute to sexual satisfaction:
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Emotional Connection: Emotional intimacy plays a much more significant role in sexual fulfillment than physical size. Building a strong emotional bond leads to a more fulfilling sexual experience.
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Communication: Honest and open communication about desires, boundaries, and preferences is key to improving sexual experiences for both partners.
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Confidence: Being confident in your own body and your abilities is often more important than physical size. Confidence can lead to better intimacy and sexual satisfaction.
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Health: Maintaining overall physical health—through diet, exercise, and mental well-being—can enhance sexual performance and pleasure.
Using the Dick Size Calculator to Track Your Size
If you’re curious about how your penis size compares to the average for Japanese men, or you want to track your size over time, the Dick Size Calculator is an excellent tool. This tool allows you to input your measurements and compare them to global and regional averages, giving you clarity and confidence about your size.
The Dick Size Calculator can also help you monitor changes over time, whether you’re interested in tracking your size for health reasons or simply want to measure progress.
Conclusion: Embrace Your Size and Focus on What Matters
Penis size varies across different countries and ethnicities, but it’s important to remember that size does not determine sexual worth or satisfaction. Emotional connection, communication, and mutual respect are the real keys to fulfilling sexual experiences.
If you want to track your size accurately and compare it to the average for Japanese men or any other group, the Dick Size Calculator is a reliable tool to help you measure and compare. Confidence, emotional intimacy, and open communication are what matter most in any sexual relationship.
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