The increase in divorce is sure to cause great anxiety between spouses and between parents and children.
Literal
Divorce [possessive-の] increase [possessive-の] result, spousal-between parent-child-between [to-に] great anxiety [object-を] produce [nominalizer-こと] [topic-は] without-mistake.
A densely formal sentence. 夫婦間、親子間 (between spouses, between parents and children) use 間 for 'between.' 結果 (as a result of) marks the cause. 間違いない (no doubt/without mistake) expresses certainty. The noun-phrase stacking is characteristic of written Japanese.