Philosophical Transactions of the Royal Society B: In the latter case, the term trophy is broadened to include any substantial difference in power originating from physical looks, wealth, or status. In regions such as Sub-Saharan Africa the use of polygyny is commonly practiced as a consequence of high sex-ratios more males born per females and passing on heterozygous diverse genetics from different females to offspring. Retrieved 11 September Comparatively in Western societies such as the US and Europe, there is a trend of smaller age-gaps between spouses, reaching its peak average in Southern Europe of 3.
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Age disparity in sexual relationships
Socially, a society with a difference in wealth distribution between older and younger people may affect the dynamics of the relationship. The mean age of marriage in Europe is well above 25, and averaging at 30 in Nordic countries, however this may also be due to the increase of cohabitation in European countries. It was found that for all ages males were willing to accept females that are slightly older than they are on average 4. This little rule actually makes lots of sense. As they are the higher-investing sex, females tend to be slightly more demanding when picking a mate as predicted by parental investment theory. I, the copyright holder of this work, release this work into the public domain.