Useful statistics relating to marriage.
Family Stability and Children 
By the time the children studied were 15 years old – 93% of those still living with both parents, had married parents.
Which couples stay together? 
This study of children 14 – 15 years old, showed that 76% of parents who married before having children were still together by this time, compared to 31% of cohabiting parents. Marriage after the birth of children still increased the likelihood of the couple remaining together to 44%.