Shortage of marriageable men

Name(s): 
Dearth of eligible males
Nature 
In many industrialized countries people are marrying later in life. Because men usually prefer to marry a younger women rather than someone their own age, the women who choose to marry later encounter a shortage of eligible men their own age. Some also point to the growing acceptability of homosexuality for the shortage of potential husbands.
Aggravated by 
Value(s) 
Type 
(E) Emanations of other problems