Research

Porn is legal for adults in the US, but 27 states require age checks and about 43 countries ban it. Learn what’s illegal and the penalties.

61% of US adults report watching porn, but only 3.2% in a 42-country survey were at risk of problematic use. See the warning signs.

Only 9.7% of US porn viewers watch daily, and most watch less than once a week. Find out how often men and women watch and for how long.

The median semen volume per ejaculation is 3.0 mL, about 0.61 teaspoon, in WHO data on fertile men. See how it changes with age.

Pornhub pays models about $690 per million views from ads. Find out how video sales, tiers and payouts work, and what creators earn.

The median American wants 3 dates before sex, but only 21% pick exactly three. Plus how long couples really wait and first-date sex.

A meta-analysis of 50 studies links porn use to lower satisfaction in men, not women. Plus data on divorce, secrecy and watching together.

The average vagina is about 9.6 cm (3.8 in) deep at rest and lengthens with arousal. Learn how size varies, plus porn vs reality.

Estimates top $300B, but disclosed porn company revenue adds up to only about $2.63B. Here’s what the industry really earns.

None of 6 lab studies found that masturbation lowers testosterone. Find out what semen retention, porn and sex really do to your hormones.