Is my dick small?

1. What the data actually show: averages, ranges and measurement methods

Large reviews and clinical summaries converge on a mean erect length in the range of about 5.1–5.5 inches (13–14 cm), based on provider-measured datasets that pooled more than 15,000 men; the 2015 systematic review and later syntheses report an average erect length of ~13.12 cm (5.16 in) and average erect girth ~11.66 cm (4.59 in) ^{[2] [1]}. Studies vary by whether men self-report or are measured by clinicians; self-reporting tends to overestimate length by around 1.3 cm, so clinical measurements are considered more reliable ^{[5] [2]}.

2. “Am I small?” — statistical context versus clinical definitions

If your erect length is near the reported mean (~13 cm), you are average; the population distribution has a narrow spread and extreme outliers are rare according to the pooled data ^[1]. The medical definition that indicates possible clinical concern is “micropenis,” which refers to a much smaller size (stretched or erect often cited below about 7.5 cm / 3 in) and is the threshold used for considering medical interventions — not simply being below the population mean ^{[3] [4]}.

3. Why perception often differs from reality

Cultural myths, pornography, and self-report bias inflate expectations. Reviews note that popular beliefs overstate variation across countries and ethnicities; measured differences are small and many sensational rankings rely on adjusted or limited data sets ^{[6] [5]}. Clinical researchers emphasize that penis size is less variable across populations than common assumptions imply ^{[6] [2]}.

4. What traits do NOT reliably predict size

Multiple analyses found no strong, consistent correlation between penis size and height, shoe size, or hand size; any links reported are weak or inconsistent across studies ^{[6] [1]}. Large pooled studies concluded there was no reliable predictor among commonly cited physical features ^[1].

5. When size matters clinically and psychologically

Clinically, size matters when it reflects congenital conditions (micropenis) or causes functional problems; the Urology Care Foundation and medical reviews limit surgery/medical intervention to such clear clinical indications rather than mere dissatisfaction ^[3]. Psychologically, many men worry despite being within normal ranges; sexual function and partner satisfaction depend more on communication and technique than millimetres of length (available sources do not mention partner satisfaction studies beyond preferences; not found in current reporting).

6. Conflicting sources and how to read them

Some websites and rankings present country-by-country lists and claim larger inter-country differences; these often incorporate self-reported data or adjustment models and can amplify differences ^{[7] [5]}. Peer-reviewed syntheses and medical reviews (e.g., the 2015/2021 pooled analyses reported in clinical outlets and science reporting) should be weighted more heavily because they use provider measurements and larger samples ^{[2] [1]}.

7. Practical next steps if you’re worried

If you’re concerned about functional problems or think you may have a medically small penis (stretched/erect length near clinical micropenis thresholds), consult a urologist — clinical assessment uses standardized measurements and considers hormonal or developmental causes ^[3]. For body-image or anxiety concerns where measurements are in the normal range, a sexual-health counselor or therapist can address distress; available sources do not list specific psychological treatment outcomes in this dataset (not found in current reporting).

Limitations and note on sources: these conclusions rely on pooled reviews and medical summaries provided above; measurement techniques, sample selection, and self-report bias vary across the cited sources ^{[2] [1] [5]}. When media or ranking sites publish dramatic cross-country differences, scrutinize whether those figures are adjusted self-reports or clinician-measured datasets ^{[5] [7]}.