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Testosterone Levels by Age (Men)
Normal ranges and age-related decline
Testosterone levels naturally decline with age, typically dropping 1-2% per year after age 30. This chart shows the normal testosterone range for men across different age groups, helping you understand what levels are typical for your age.
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Published January 12, 2026
Updated about 1 month ago
// DATA SOURCES
Endocrine Society Guidelines
Clinical practice guidelines for testosterone therapy
Age-Related Testosterone Decline
Baltimore Longitudinal Study on testosterone and aging
Disclaimer: This visualization is for educational and informational purposes only. Data presented here is based on research studies and should not be used as a substitute for professional medical advice. Always consult with a qualified healthcare provider before making health decisions.