What proportion of all first marriages end in divorce?

a. two-thirds

b. three-quarters

c. one-eighth

d. one-third?

About one-third of the overall proportion of all first marriages end in divorce. The answer is letter D. The real reason behind this divorce is that the couples did not have enough time to know themselves better before marriage. Getting to know your partner is essential to a relationship and the more they understand each other, the better.