Men and woman dating manner when dating
did females show a preference for males significantly younger than male preferences for females" and that there was a "consistent cross-cultural preference by women for at least same-age or significantly older men".
A 2003 AARP study reported that 34% of women over 39 years old were dating younger men.
These age preferences were confirmed in marriage records with males marrying females younger than them and vice versa.
This study used 21,245 participants between 18 and 65 years of age who were not involved in a close relationship.
However, human males tend to have more parental investment compared to mammal males (although females still tend to have more parental investment).
Thus, both sexes will have to compete and be selective in mate choices.
A study released in 2003 by the United Kingdom's Office for National Statistics concluded that the proportion of women in England and Wales marrying younger men rose from 15% to 26% between 19.
Parental Investment Theory refers to the value that is placed on a potential mate based on reproductive potential and reproductive investment.In females, relative youth and physical attractiveness (which males valued more compared to females) demonstrated cues for fertility and high reproductive capacity.Buss stated the specific age preference of around 25 years implied that fertility was a stronger ultimate cause of mate preference than reproductive value as data suggested that fertility peaks in females around mid-twenties.Age disparity in sexual relationships is the difference in ages of individuals in sexual relationships.Concepts of these relationships, including what defines an age disparity, have developed over time and vary among societies.