There is no medically “correct” number of times you must ejaculate; what matters is that your frequency feels comfortable, doesn’t cause pain or interfere with daily life, and fits your age, health, and libido.

No single ideal number

  • Large studies have not found one universal “healthy” ejaculation frequency, and professional bodies state there is no normal number.
  • In surveys, many men in their 20s report ejaculating roughly every other day, but many ejaculate more or less than this and are still healthy.

Prostate and health data

  • A long-term study in European Urology found men who ejaculated about 21 or more times per month had a lower risk of prostate cancer than men who ejaculated 4–7 times monthly, but this shows a correlation, not a strict prescription.
  • A 2018 review suggests “moderate” ejaculation (about 2–4 times per week) may be associated with lower prostate cancer risk, though data are mixed and not strong enough to set a rule.

When it might be too often or too little

  • Ejaculating very frequently can be an issue if you notice pain, irritation, fatigue, reduced erections, or if sexual activity is interfering with sleep, work, relationships, or responsibilities. In those cases, cutting back and talking to a clinician or therapist is wise.
  • Very infrequent or absent ejaculation is usually not dangerous by itself, but if it is tied to low libido, depression, relationship problems, erection issues, or fertility concerns, a medical evaluation can help.

Practical rule of thumb

  • Aim for a frequency that feels physically comfortable, doesn’t cause soreness, and doesn’t crowd out other parts of life; for many people this ends up somewhere between a few times a month and a few times a week, but can be higher or lower.
  • Adjust based on age, energy, relationship, and personal beliefs (including semen-retention or NoFap practices), and seek professional advice if you have pain, blood in semen, big changes in libido, or worries about fertility or prostate health.

Bottom line: there is no fixed answer to “how often should you ejaculate”; “as often as is comfortable and not disruptive” is the medically supported guideline, with some evidence that regular ejaculation may offer modest prostate benefits over the long term.