When a population of childhood growing up as an adult. To have a number of wives and the proportion of the population is male, rather than female, there are the wives of the male.
When the population grows childhood into adulthood. The number and proportion of the population is mated with more males than females are affected with a male partner.
When the population of childhood is growing mature. Having the partner number and proportion population with more males than females will affect the wives of females.