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Many studies show consistent relationships between higher level of intelligence and lower rates of engaging in sexual activity. More intelligent people, especially at universities, tend to have ''less'' sex. | Many studies show consistent relationships between higher level of intelligence and lower rates of engaging in sexual activity. More intelligent people, especially at universities, tend to have ''less'' sex. | ||
One of the strongest studies establishing a negative relationship between sexual success and IQ found that teenage boys with a verbal IQ of two standard deviations above the median or above (130 IQ) were two-thirds less likely to lose their virginity compared to those with an IQ of 100. The relationship between higher IQ and lower odds of losing their virginity was linear for both boys and girls above a perfectly average IQ of 100, however, it was stronger for girls 130 IQ or above, who were four-fifths less likely to lose their virginity than girls with a perfectly average IQ of 100.<ref>https://pubmed.ncbi.nlm.nih.gov/10706169/</ref> However, other studies have found that such relationships do not hold when examining twin pairs, suggesting such relationships are merely correlational and not caused by IQ. Instead, it is likely that environmental differences between high and low IQ families explain such effects, which suggests that IQ per se is not generally associated with age of virginity loss, though higher IQ people will generally lose their virginity later due to these environmental confounds.<ref>https://srcd.onlinelibrary.wiley.com/doi/10.1111/j.1467-8624.2011.01607.x</ref> | One of the strongest studies establishing a negative relationship between sexual success and IQ found that teenage boys with a verbal IQ of two standard deviations above the median or above (130 IQ) were two-thirds less likely to lose their virginity compared to those with an IQ of 100. The relationship between higher IQ and lower odds of losing their virginity was linear for both boys and girls above a perfectly average IQ of 100, however, it was stronger for girls 130 IQ or above, who were four-fifths less likely to lose their virginity than girls with a perfectly average IQ of 100.<ref>https://pubmed.ncbi.nlm.nih.gov/10706169/</ref> However, other studies have found that such relationships do not hold when examining twin pairs, suggesting such relationships are merely correlational and not caused by IQ. Instead, it is likely that environmental differences between high and low IQ families explain such effects, which suggests that IQ per se is not generally associated with age of virginity loss, though higher IQ people will generally lose their virginity later due to these environmental confounds.<ref>https://srcd.onlinelibrary.wiley.com/doi/10.1111/j.1467-8624.2011.01607.x</ref> | ||
Though, interestingly, there is evidence that higher intelligence is related to a later age of virginity loss despite the fact that IQ is linked to faster physical maturation and an earlier onset of puberty. Yong & Kanazawa (2025) replicated previous findings that higher intelligence was linked to later reproduction and sexual debut, despite IQ being linked to earlier age of puberty onset.<ref>https://link.springer.com/article/10.1007/s40750-025-00258-5</ref> This suggests that if age of puberty onset is not controlled for, the effect of IQ on age of sexual debut is obscured somewhat by the role of pubertal maturation in accelerating sexual development. The earlier age of puberty onset among more intelligent people, despite seeming to contradict the general link between IQ and [[life history|slow life history]], is likely linked to delayed development generally being associated with lower IQ.<ref>https://srcd.onlinelibrary.wiley.com/doi/full/10.1111/cdev.12760</ref> | |||
A German study suggested academics are at least twice as often incels as others (see [[Demographics#Germany|demographics]]). | A German study suggested academics are at least twice as often incels as others (see [[Demographics#Germany|demographics]]). | ||
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One reason for this may be that women have a higher level of IQ variability than men, as well ashaving a slightly lower level of general intelligence than men. The skewed sex ratio in favor of men in these highly intellectual demanding fields may partly explain the higher incel rate of men enrolled in such subjects, via a lack of ability to assortatively mate for intelligence, and an overall lack of exposure to women in general, though the co-educational sex ratio of a particular field of study seems to be only weakly associated with men's level of sexual success, and it is therefore unlikely to explain much.<ref>https://incels.wiki/w/Women_in_STEM#Gender_ratio_and_STEMcel_rates</ref> Other hypotheses are listed below. | One reason for this may be that women have a higher level of IQ variability than men, as well ashaving a slightly lower level of general intelligence than men. The skewed sex ratio in favor of men in these highly intellectual demanding fields may partly explain the higher incel rate of men enrolled in such subjects, via a lack of ability to assortatively mate for intelligence, and an overall lack of exposure to women in general, though the co-educational sex ratio of a particular field of study seems to be only weakly associated with men's level of sexual success, and it is therefore unlikely to explain much.<ref>https://incels.wiki/w/Women_in_STEM#Gender_ratio_and_STEMcel_rates</ref> Other hypotheses are listed below. | ||
A study by Rosemary Hopcroft of GSS (General Social Survey) data in the US found that, while IQ has little effect on rates of sex of individuals of both sexes, very low IQ men were generally more sexually active than very low IQ women, and higher IQ people were less sexually active overall.<ref>https://www.sciencedirect.com/science/article/abs/pii/S1090513805000619</ref> | A study by Rosemary Hopcroft of GSS (General Social Survey) data in the US found that, while IQ has little effect on rates of sex of individuals of both sexes, very low IQ men were generally more sexually active than very low IQ women, and higher IQ people were less sexually active overall. <ref>https://www.sciencedirect.com/science/article/abs/pii/S1090513805000619</ref> | ||
===Hypotheses=== | ===Hypotheses=== | ||