While the Australian divorce rate has generally stabilized or even declined in recent years, reflecting later marriages and more cohabitation, the key reasons Aussies end their marriages stem from a combination of social, economic, and interpersonal factors.
Divorce rates increase in the context of domestic violence, frequent conflict, infidelity, relationship problems and low levels of love and trust.
1. Lack of Honesty. Often when we think of honesty, notably honesty in marital relationships, we think of a very tangible “where were you last night” kind of honesty. While this is obviously critically important, there are many other kinds of dishonesty that can destroy marriages.
The four behaviors that predict over 90% of divorces, known as Dr. John Gottman's "Four Horsemen," are Criticism, Contempt, Defensiveness, and Stonewalling, which erode connection, respect, and safety, leading to relationship breakdown. These destructive communication patterns, if persistent, signal that a marriage is likely to end, with contempt being the most damaging.
Women initiate the majority of divorces, with studies showing they file in around 70% of cases, a rate that increases to about 90% for college-educated women, according to research from the American Sociological Association (ASA). This trend highlights that women often bear the emotional burden, experience unmet needs, and have greater financial independence, making them more likely to seek divorce when dissatisfied with the relationship.
Lack of commitment is the most common reason given by divorcing couples according to a recent national survey. Here are the reasons given and their percentages: Lack of commitment 73% Argue too much 56%
The 80/80 Marriage pushes couples beyond the limited idea of “fairness” toward a new model grounded on radical generosity and shared success, one that calls for each partner to contribute 80 percent to build the strongest possible relationship.
The 777 rule for marriage is a relationship guideline to keep couples connected by scheduling specific, regular quality time: a date night every 7 days, a night away (getaway) every 7 weeks, and a romantic holiday every 7 months, often without kids, to foster intimacy, reduce stress, and prevent routine from overtaking the relationship. It's about consistent, intentional efforts to prioritize the partnership.
Contempt. Of all the predictive factors, contempt is the most prominent one. Based on extensive research, Dr Gottman names the 'Four Horsemen' or four communication habits that are the best predictors of divorce.
According to Hartstein, the first year really is the hardest—even if you've already lived together. In fact, it often doesn't matter if you've been together for multiple years, the start of married life is still tricky.
The 5-5-5 rule in marriage refers to two main communication techniques: one where couples spend 5 minutes each speaking and 5 minutes dialoguing (5-5-5), and another where a person asks if an issue will matter in 5 minutes, 5 days, and 5 years to gain perspective. Both methods aim to de-escalate conflict, encourage active listening, and focus on long-term understanding rather than immediate reactions, fostering healthier communication and connection.
The Three A's – Adultery, Abuse, and Addiction
Therapists would love for every marriage to be able to be saved, but that just simply isn't realistic. Every marriage therapist knows when a couple comes into their office and are dealing with one of what we call, The Three A's …
Emotional distance
As communication deteriorates, spouses may start to feel more like roommates than romantic partners. This emotional disconnection can lead to a lack of empathy and understanding, making each partner feel isolated and alone, which is a major factor in things that kill a marriage.
Profession With Highest Divorce Rate Australia: By The Numbers. According to a divorce statistics article from Monster, the top of the list of profession with highest divorce rate Australia are as follows: Gaming services workers or gaming managers (52.9%) Bartenders (52.7%)
Grey divorce or late-life divorce is the demographic trend of an increasing divorce rate for older ("grey-haired") couples in long-lasting marriages, a term typically used for people over 50. Those who divorce may be called silver splitters. Divorcing late in life can cause financial difficulties.
Last year, Australia's divorce rate was 2.1, down from 2.3 in 2023. The number of divorces fell 3% from 2023 to 2024. Meanwhile, marriages lasted for a median of 13.2 years – up from 12.1 in 2020 and 13 last year.
The four major signs of divorce, known as "The Four Horsemen", identified by relationship researchers like John Gottman, are Criticism, Contempt, Defensiveness, and Stonewalling, which predict relationship failure through destructive communication patterns like attacking character, showing disgust, making excuses, and shutting down during conflict. These behaviors create a cycle of negativity that erodes fondness and admiration, leading to emotional distance and potential separation, with contempt being the most damaging.
Once upon a time when divorce was rare, most people were driven to it by what I call The Three A's– affairs, addictions or abuse. Divorce meant that someone was chronically cheating, repeatedly intoxicated, or physically violent.
Dr. John Gottman dubbed the four most destructive communication patterns that predict divorce and separation as "The Four Horsemen of the Apocalypse": Criticism, Defensiveness, Contempt, and Stonewalling. Which of the Four Horsemen is the most serious? Contempt is the most serious of the Horsemen.
The 2-2-2 rule for marriage is a guideline to keep a relationship strong and connected: have a date night every two weeks, a weekend getaway every two months, and a week-long vacation every two years. This system encourages regular, intentional quality time, breaks from routine, and deeper connection by ensuring couples prioritize each other amidst daily life, work, and family, preventing stagnation and fostering fun.
Take a look at these 10 signs of a healthy relationship.
Some of the common signs of a marriage not working and heading for divorce are:
These are not the only important qualities, but they are part of what can build a sturdy relationship. Take them in the spirit in which they are offered—as a a lens to think about your own relationship. This blog is part of a series on the five Cs: Chemistry, Commonality, Constructive Conflict, Courtesy and Commitment.
Couples who want financial security can enter into a financial agreement at any time during their relationship. Financial agreements are similar to pre-nuptial agreements, in that a couple can use them to set out how their property and other assets would be divided if they were to separate.