Expert Reveals The Age Gap That May Give Relationships The Best Chance Of Lasting

Age gaps can be a big talking point in dating, and everyone seems to have a different idea of what feels right.

Some people prefer dating someone close to their own age because it can mean similar life stages, habits, and plans. Others are drawn to a much wider age gap and feel that maturity, connection, or shared values matter more than the number itself.

With so many opinions out there, it is easy to see why the topic gets confusing. One person may insist that three years is the safest limit, while someone else may see a decade as no big deal in the right relationship.

Psychotherapist Eloise Skinner says there is one age difference that may leave couples feeling more 'matched' in the long run.

Her point is not that a relationship is doomed if the gap is bigger. It is that people closer in age may be more likely to be at a similar stage physically, mentally, financially, and even when it comes to things like travel plans.

"You're more likely to have matched expectations financially in terms of spending, saving and investments, as well as health-wise," she told Metro.

Large age gaps were not seen to be ideal Getty Stock Images

Why a smaller age gap may help

A smaller age gap can make some everyday parts of a relationship easier to line up. Partners may be closer in career stage, social habits, health expectations, and the kind of future they are trying to build.

That does not mean two people need to be the same age to work well together. But when both people are dealing with similar life pressures, they may have fewer gaps to explain or negotiate.

For example, one partner may be focused on saving, settling down, or planning a family, while the other is still figuring out work, travel, or independence. Those differences can be managed, but they need honesty from both sides.

So, what age gap does Skinner point to?

Zero to three years.

"Age gap couples might be less resilient when it comes to challenging events in their marriage, compared to similarly aged couples, according to research," Skinner explained. She also made it clear that there is no single correct answer when two consenting adults choose to be together.

Still, Skinner said larger age gaps can bring an issue that couples should understand before getting too serious.

She said: "There's the potential concern of power dynamics in an age gap relationship – for example, where one person has more financial resources, a bigger career or status."

That kind of imbalance does not only happen because of age, of course. But a big age difference can sometimes make those gaps more obvious, especially if one person has more money, more life experience, or more control over major decisions.

Zero to three years created a better 'match' Getty Stock Images

What power dynamics can look like

Power dynamics do not always look dramatic from the outside. They can show up in small choices, like who decides where the couple lives, how money is spent, whose career takes priority, or when big life steps happen.

In a healthy partnership, both people should still feel able to speak up. A younger or less established partner should not feel pushed into choices because the other person has more status, money, or confidence.

This is why age is only one part of the picture. The real question is whether both people have respect, clear boundaries, and enough freedom to make choices without pressure.

Skinner added: "Of course, this can also occur without age gaps present. For a sustainable, long-term relationship, partners should aim to be on similar levels in terms of emotional maturity, psychological maturity, values, goals and preferences, which might be more likely to occur in smaller or no age-gap relationships."

Psych Central has also discussed a similar view on age gaps, pointing to how relationship satisfaction can change when partners are further apart in age.

Citing research published in the Journal of Population Economics from 2017, Psych Central noted that couples with larger age gaps 'had a faster decline in relationship satisfaction in their first six to 10 years of marriage than similarly aged couples'.

The number is not the whole relationship

The age gap may matter, but it is not the only thing that decides whether a couple lasts. Shared values, emotional maturity, communication, and how both people handle stress can matter just as much.

That is why some couples with larger gaps can still build strong long-term marriages, while some couples close in age may struggle if their goals or habits do not match.

Long-lasting couples often point to simple daily habits too, such as checking in, making time to talk, and staying connected through normal routines. Tom Hanks and Rita Wilson, for example, have said one unexpected room helps keep their marriage strong after decades together.

"Relationship satisfaction decreased slightly for couples with age gaps of four to six years and continued to decrease for couples with an age gap of seven or more years," it added.

The ideal age gap Psych Central pointed to was one to three years, which is only one year away from Skinner's zero-to-three-year recommendation.

So, while age alone does not make or break a couple, the research and expert advice both point toward the same idea: couples closer in age may have a slightly easier time staying aligned over the years. But do you agree?