Both men and women report initially being more satisfied in their marriage when their spouses were younger, research reports. Though couples with an age gap started out more satisfied, however, their satisfaction tended to drop more dramatically over time than couples who were the same age.

Whats a good age difference for a relationship?

Now, to the main point: scientists also found the perfect age difference — it is one year (in fact, people of the same age and with an age difference from 1 to 3 years are also in this group). These are the couples that have the highest chance of staying together — the probability of breaking up is less than 3%.