Intimacy & Performance

The data on sex that nobody talks about honestly

Sex is among the most discussed subjects in human life and one of the worst measured. Surveys overstate, pornography wrecks the reference points, and conversation drifts toward the memorable rather than the typical. So a great many adults walk around with a private conviction that whatever they do must be unusual, slower or rarer or duller than whatever everybody else is up to. The medians turn out smaller than people fear and the variance far wider than people imagine, and the useful part usually sits in the gap between what somebody wants and what actually happens. These tools use peer-reviewed clinical and demographic sources to give you a number, a percentile and the context that never survives an ordinary conversation. Every source is named on the page it appears on, and none of this costs anything.

21 calculators

Across five countries, the median duration of sex timed with a stopwatch was 5.4 minutes. Most people privately assume they fall below average, which cannot be true of most of them.

Waldinger et al., 2005, multinational stopwatch study

All intimacy calculators (18)

Common Questions

01 How long does sex actually last?

The median is 5.4 minutes, measured by stopwatch in a multinational study by Waldinger et al. published in 2005. Across the study the times ran from about half a minute to 44 minutes, and the distribution is heavily skewed towards the short end. The number measures intravaginal ejaculation latency time, not foreplay or aftercare, and it's based on heterosexual couples timing their own encounters at home over four weeks. The variance matters more than the median. Cultural assumptions about what counts as too short are pulled mostly from pornography and anecdote, not data. The clinical threshold for premature ejaculation is consistent latency under 1 minute; the threshold for delayed ejaculation is consistent latency over 30 minutes. Almost everyone sits comfortably between those two clinical edges. The duration calculator places your number in the global distribution. If duration is consistently under one minute and is causing distress, the premature ejaculation calculator covers the clinical context.

02 How often do married couples have sex?

A 2017 Archives of Sexual Behavior paper analysing the General Social Survey (Twenge, Sherman and Wells) found American adults having sex about nine fewer times a year in the early 2010s than in the late 1990s, with the drop concentrated among married and cohabiting couples. The decline is real and documented across multiple datasets. Frequency varies sharply by age, from about 80 times a year for people in their twenties to about 20 for people in their sixties. Length of relationship matters more than age in many models, frequency drops fastest in the first three to five years of cohabitation and then stabilises. Mismatched expectations are usually the bigger problem than the absolute number. Two partners both content with twice a month are doing better than two partners averaging weekly with one wanting more. The marriage frequency calculator shows the curve by age and relationship length, and the desire gap calculator measures the difference between partners. The sex statistics roundup brings frequency, duration and partner counts together.

03 What is a normal sex drive?

There is no clinical normal. Libido is one of the most variable traits in human sexuality, ranging from people with multiple weekly desires to roughly 1 percent of adults who identify as asexual and report no spontaneous sexual desire at all. The Hypoactive Sexual Desire Disorder threshold in DSM-5 is not a frequency cutoff; it's a definition based on persistent absence of desire combined with personal distress. Absence without distress is not a disorder. Cultural narratives massively overstate the average, partly because high-libido people are over-represented in media and conversation. Surveys consistently find that around 20 to 30 percent of women and 15 to 20 percent of men report low desire at any given time, and these figures shift with stress, sleep, hormonal phase, relationship duration, and medication use. Far more useful than asking whether your drive is normal is asking whether it matches your partner's, and whether you're satisfied. The desire gap calculator measures the differential. The asexual quiz covers the lower end of the spectrum non-prescriptively.

04 Is a dry spell normal?

Yes, and almost everyone has them. Length-of-dry-spell follows a long-tail distribution: short gaps are common, very long gaps are rare but not vanishingly so. Among 18 to 24 year olds in the General Social Survey, 30.9 percent of men and 19.1 percent of women reported no sex in the past year in 2016 to 2018, up from 18.9 and 15.1 percent in 2000 to 2002 (Ueda et al., 2020). Several things drive that at once. More people are single, single people are choosier, screen time has eaten the hours socialising used to fill, and relationships form later than they used to. A dry spell is a statistical state and nothing more than that. The dry spell calculator places your current gap in the population distribution by age and relationship status. If the gap correlates with broader withdrawal rather than just opportunity, the loneliness quiz may identify a different cluster.

05 What is the average number of sexual partners?

The numbers depend heavily on how the question is asked. In the CDC's National Survey of Family Growth for 2015 to 2019, the median lifetime number of opposite-sex partners among 25 to 49 year olds was 4.3 for women and 6.3 for men, and researchers generally read the male figure as inflated and the female one as deflated. Researchers consistently find that anonymising the survey, removing the chance to round up or down, narrows the gender gap considerably, often to within one or two partners. The distribution is heavily right-skewed, so a few people with very high counts pull the average well above the median. Generation matters too. Adults under 30 report fewer partners than the same age group did a decade ago, partly because rates of any sexual activity have dropped. The body count calculator places your number in the population distribution and shows the curve by age and gender. The intimacy age quiz takes a different angle on the same data.

06 How common is faking orgasm?

More common than most people assume, especially among women. Muehlenhard and Shippee's 2010 study in the Journal of Sex Research found 50 percent of women and 25 percent of men had faked orgasm at least once, rising to 67 and 28 percent among those who had had intercourse, the men's figure lower but not negligible and often related to performance anxiety, alcohol use, or wanting to end an encounter. The reasons women cite most often are protecting a partner's feelings, ending sex politely, and matching expectations set by media. The reasons men cite are more varied. There's a known orgasm gap in heterosexual encounters: women orgasm during partnered sex roughly 65 percent of the time, men roughly 95 percent. The gap closes substantially in same-sex female encounters, where the figure rises to around 86 percent, which suggests the gap is mostly about technique and communication rather than biology. The faking orgasm calculator places the behaviour in population context. The female orgasm calculator covers frequency and method.

07 How often do most people masturbate?

In the 2021 National Survey of Sexual Health and Behavior, the median man reported masturbating a few times a month and the median woman a few times a year, but the variance is enormous. Almost daily was 9.9 percent of men and 0.5 percent of women, while 24.2 percent of men and 43.5 percent of women hadn't at all in the past year. Relationship status barely moves it, and partnered people do not masturbate dramatically less than single people, whatever the common assumption says. Age, hormonal phase and stress predict a great deal more. Nothing in the clinical threshold for hypersexuality is a frequency number, since what it turns on is whether the behaviour feels compulsive, causes distress, and gets in the way of work, relationships or health. Frequent and compulsive are separate things. The masturbation frequency calculator places your number in the distribution by age and gender. If frequency feels driven rather than chosen, the hypersexuality test uses the trait-based assessment for a different angle.

08 How common is consensual non-monogamy?

Far more common than mainstream conversation suggests. A 2017 study in the Journal of Sex and Marital Therapy using two national samples of single Americans (Haupert and colleagues) found that more than 1 in 5, around 22 percent, had been in a consensually non-monogamous relationship at some point. Estimates of how many adults are in one right now run far lower. Open relationships, swinging, polyamory and relationship anarchy each carry their own structure and their own population profile, so lumping them together loses most of what the data actually says. Younger adults, men, and people identifying outside the gender or sexual orientation binary are over-represented in current ENM populations. The data also shows that satisfaction levels in well-functioning ENM relationships are similar to those in monogamous relationships, the differentiator is communication quality, not the structure itself. Failed ENM relationships and failed monogamous relationships fail for largely the same reasons. The ENM statistics page covers the demographics, types, and outcome data.

What you can measure

There are 21 intimacy calculators here, built on clinical studies and national survey data. Each one below opens an interactive tool that shows where your result falls on the population distribution.

Frequency and Duration

The Duration Calculator places your typical session length against the global distribution from the Waldinger et al. multinational stopwatch study. How often you have sex is the question behind the Frequency Calculator, benchmarked on NORC GSS and Kinsey Institute survey data. The Sexual Frequency Calculator shows where your reported frequency sits relative to comparable adults, on clinical survey data. National Survey of Sexual Health and Behavior data sits behind the Masturbation Frequency Calculator, which places your frequency on the population curve. The Refractory Period Calculator compares your recovery time against age-adjusted clinical research on male and female refractory periods. And the Dry Spell Calculator puts the time since your last encounter against population survey data on abstinence periods.

Desire and Satisfaction

The Desire Gap Calculator measures the mismatch in desire between two partners and places it against clinical research on how common that mismatch is. Prevalence by gender is what the Faking Orgasm Calculator reports, using Journal of Sex Research and NSSHB survey data. The Female Orgasm Calculator places orgasm frequency and type against population data from the National Survey of Sexual Health and Behavior. And the Intimacy Age Quiz estimates your sexual development stage against age-normative patterns from peer-reviewed population data.

Partner History and Experience

The Body Count Calculator places your lifetime partner count against population percentiles from CDC National Survey of Family Growth data. Age and gender cohorts are the frame for the Partner Count Calculator, drawing on the NSFG and NSSHB surveys. The First Masturbation Age Calculator compares your age of onset against population data from sexual development research. CDC NSFG and Gallup figures drive the Same-Sex Experience Calculator, which gives the proportion of adults reporting same-sex experience. The Threesome Calculator gives the share of adults who have had a multi-partner experience, on NSSHB and Kinsey Institute survey data. And the ENM Statistics Calculator sets non-monogamous relationship prevalence against peer-reviewed population surveys.

Sexual Health and Function

The Premature Ejaculation Calculator applies the DSM-5 and ICD-11 clinical latency thresholds to your own figure and gives prevalence rates from urology research. Clinical urology studies also sit behind the Testicular Asymmetry Calculator, which compares your measurements against population data on size and asymmetry. And the Compulsive Viewing Quiz screens for compulsive pornography use on validated assessment criteria from clinical psychology research.

Orientation and Identity

The Kinsey Scale Test places your self-reported attraction on the seven-point continuum and shows population distribution data from Gallup and the Williams Institute. Attraction, behaviour and identity get scored separately by the Sexuality Quiz, against population data from the CDC NSFG.