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Fact check: Where would I be average in the world for penis length and girth? 18.5cm length and 16cm girth

Checked on September 11, 2025

1. Summary of the results

The original statement asks where an individual with a penis length of 18.5cm and girth of 16cm would be average in the world. According to the analyses provided, an erect length of 18.5cm is well above the global average [1]. The global means for erect length are reported to be around 13.93cm [1] and 13.84cm [2], with regional means ranging from approximately 11.6cm in Asia to 15.6cm in South America [1]. Similarly, a length of 18.5cm would be considerably longer than the reported global and regional averages [3]. Regarding girth, a circumference of 16cm is far above the worldwide and regional averages, with the global mean for erect circumference being around 11.91cm [2].

  • Key findings from the analyses include:
  • Global average erect length: approximately 13.93cm [1] and 13.84cm [2]
  • Regional average erect lengths: highest in North America (≈14.58cm) and Europe (≈14.12cm) [1]
  • Global average erect circumference: approximately 11.91cm [2]
  • The individual's length and girth are above the global and regional averages [1] [3] [2]

2. Missing context/alternative viewpoints

Some analyses do not provide girth data, making it difficult to assess how the individual's girth compares to world averages [1] [3]. Additionally, the original statement does not specify whether the length and girth measurements are for flaccid or erect state, which could impact the comparison to global averages [2]. The analyses also do not account for potential variations in measurement methods, which could affect the accuracy of the comparisons [1] [3] [2]. Furthermore, regional averages may not be representative of individual countries or populations within those regions [1].

  • Missing context includes:
  • Specification of the measurement state (flaccid or erect)
  • Potential variations in measurement methods
  • Individual country or population data within regions

3. Potential misinformation/bias in the original statement

The original statement may be misleading in its assumption that there is a single "average" penis length and girth worldwide, as the analyses suggest that there is significant variation in regional averages [1] [3] [2]. Additionally, the statement does not account for the potential impact of measurement methods on the comparisons, which could lead to inaccurate conclusions [1] [3] [2]. The individual or groups who benefit from this framing may be those who seek to emphasize the importance of penis size, potentially for commercial or social purposes [2]. However, it is essential to consider the potential harm that such misinformation can cause, particularly in terms of body image and self-esteem [1] [3] [2].

Want to dive deeper?
What is the average penis length and girth in different ethnic groups?
How does penis size vary across countries and regions?
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How do cultural and societal factors influence perceptions of average penis size?