Have you ever felt down after “fighting with your parents again” due to parent-child conflict?
Even when you return to your room, the frustration doesn’t go away, and looking at your phone doesn’t lift your mood.
Such small daily clashes are something many people must have experienced.
Traditionally, it has been thought that “parent-child fights are part of growing up and not that serious.”
However, recent research is reconsidering this view.
It’s pointed out that parent-child conflicts are not temporary events but may affect children’s minds.
For example, “The association between parent-adolescent conflicts and depressive mood: a systematic review and meta-analysis” (BMC Psychology, 2025) analyzes data from 46 studies involving 31,147 people.
This article explains the relationship between parent-child conflicts and mental health in an easy-to-understand way based on research data.
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目次
- 1 What is Parent-Child Conflict and Research Basics
- 1.1 The Meaning of Parent-Child Conflict and What Kind of State It Is
- 1.2 Reasons Why Parent-Child Conflicts Increase During Adolescence
- 1.3 What Kind of Mental State is Depression
- 1.4 Why the Relationship Between Parent-Child Conflict and Depression Attracts Attention
- 1.5 The Purpose and Characteristics of This Study
- 2 How Strong is the Relationship Between Parent-Child Conflict and Depression
- 3 The Mechanism by Which Parent-Child Conflict Leads to Depression
- 3.1 The Feeling of Being Misunderstood Becomes Stress
- 3.2 When Security is Lost, Emotionality Becomes Unstable
- 3.3 The Relationship Between Decreased Self-Evaluation and Depression
- 3.4 The Accumulative Effects of Interpersonal Relationship Stress
- 3.5 The Possibility That Depression Further Worsens Parent-Child Conflict
- 4 How the Impact of Parent-Child Conflict Changes Under Different Conditions and Insights from Latest Research
- 5 In Conclusion
What is Parent-Child Conflict and Research Basics
The Meaning of Parent-Child Conflict and What Kind of State It Is
First, parent-child conflict is a state where daily misunderstandings accumulate.
First, parent-child conflict is a clash of opinions.
For example, conflicts arise over career paths and lifestyle.
Furthermore, it also includes dissatisfaction and anger.
In other words, it’s a state where relationships become strained.
How would you feel if your parents denied you?
You would surely feel misunderstood.
This feeling becomes a source of stress.
The main characteristics are as follows:
- Differences of opinion
- Emotional clashes
- Long-lasting dissatisfaction
On the other hand, minor conflicts are normal.
However, when they repeat, they become burdensome.
As a result, they tend to affect the mind.
In summary, parent-child conflicts occur normally, but when they continue, they become a mental burden and are considered an important factor affecting young people’s mood.
Reasons Why Parent-Child Conflicts Increase During Adolescence
Adolescence is a time when the desire for independence becomes strong.
First, they begin to have their own thoughts.
However, parents prioritize safety.
Therefore, conflicts tend to increase.
What if you wanted freedom but were stopped?
Your irritation would surely become stronger.
This becomes a trigger for conflict.
The characteristics of this period are as follows:
- Own opinions become stronger
- Dependence on parents decreases
- Emotions fluctuate easily
On the other hand, it’s a necessary change for growth.
However, when conflicts continue, they become burdensome.
As a result, mental stability tends to collapse.
In summary, adolescence is a period when conflicts naturally increase, but depending on their intensity and frequency, they may affect mental health.
What Kind of Mental State is Depression
Depression is a strong, long-lasting low mood.
First, the mood continues to drop.
Furthermore, one loses interest in everything.
This is a characteristic of depression.
What if even things you like don’t feel enjoyable?
That’s a state where mental energy is declining.
Research includes the following states:
- Continuing sadness
- Lack of motivation
- Tendency to blame oneself
On the other hand, it’s different from temporary low moods.
The important point is that it continues for a long time.
Therefore, it also affects daily life.
In summary, depression can happen to anyone, but when it continues long-term, it affects daily life, and early understanding is considered important.
Why the Relationship Between Parent-Child Conflict and Depression Attracts Attention
Parent-child relationships are greatly related to mental stability.
First, parents are the closest people.
When that relationship is bad, effects tend to appear easily.
What if you couldn’t feel safe at home?
Anxiety would become stronger outside as well.
This leads to mental burden.
In research, the following points are important:
- Support decreases
- Feelings of loneliness increase
- Self-evaluation decreases
Therefore, it’s receiving attention in many studies.
Especially during adolescence, the impact is strong.
In summary, parent-child conflict is a daily problem, but because it’s deeply related to mental health, it’s treated as an important research theme.
The Purpose and Characteristics of This Study
This is a study that examined relationships using data from over 30,000 people.
First, 46 studies were compiled.
A total of 31,147 people were subjects.
Furthermore, the results were integrated and analyzed.
This is called a method of comprehensive verification.
If you look at just one small study, there might be bias.
However, when many are gathered, it becomes accurate.
The characteristics of this study are as follows:
- Integrates many studies
- Uses 157 data points
- Results have high reliability
Therefore, the results are convincing.
In summary, the important aspect of this research is that it used large-scale data to more accurately demonstrate the relationship between parent-child conflict and depression.
How Strong is the Relationship Between Parent-Child Conflict and Depression
Integrated Data from 46 Studies and Over 30,000 People
By combining many studies, overall trends become visible.
First, this research targeted 46 studies.
Additionally, a total of 31,147 people were included.
This is quite a large scale.
What would happen if we only studied one school?
The results might be biased.
However, collecting many increases reliability.
The characteristics of the research are as follows:
- Used 46 studies
- Data from 31,147 people
- Analyzed 157 results
Therefore, we can grasp overall trends.
Results are also more stable.
In summary, by integrating a large amount of data, we can more accurately understand the relationship between parent-child conflict and depression.
Parent-Child Conflict and Depression Had a Moderate Relationship
The stronger the parent-child conflict, the higher the tendency for depression.
First, the results are clear.
Parent-child conflict and depression are related.
However, it’s not a perfect match.
Therefore, it’s considered moderate strength.
What happens if there are many conflicts at home?
Mood tends to become depressed more easily.
This pattern was confirmed in the research.
The key points are as follows:
- A relationship exists
- Neither too strong nor too weak
- Common across many studies
In other words, there is a certain influence.
In summary, there is a clear relationship between parent-child conflict and depression, and it is considered an important factor that cannot be ignored.
What is the Numerical Strength of the Relationship
The strength of the relationship was shown by the numerical value of 0.267.
This number represents the strength of the relationship.
The closer to 0, the weaker the relationship.
The closer to 1, the stronger it is.
In other words, 0.267 is moderate.
What if we think about it in terms of test scores?
It’s not a perfect score, but there is an influence.
This research showed the following:
- Correlation is 0.267
- Statistically significant
- High probability it’s not by chance
Therefore, we can say there is a certain relationship.
In summary, even looking at the numbers, parent-child conflict and depression are moderately connected, and can be said to be a relationship with practical influence.
How Reliable Are the Results
The results are considered quite stable.
First, they checked the variation in studies.
Then they verified the results.
They also examined the influence of bias.
Confirming this increases reliability.
What if only specific studies had strong influence?
The results would become unstable.
However, this was not the case this time.
The confirmed points are as follows:
- Little major bias
- Consistent across many studies
- Results don’t change significantly
Therefore, they are easy to trust.
In summary, the results of this research have little bias and are common across much data, so they can be said to be relatively reliable conclusions.
Reasons Why the Research Results Are Stable
The important point is that results didn’t change under many conditions.
First, they verified by removing studies one by one.
Even so, the results were almost the same.
Specifically, it was in the range of 0.238 to 0.243.
There are no major differences.
What if the results were scattered?
Trust would be low.
However, this time they were stable.
The reasons for stability are as follows:
- Large amount of data
- Methods are standardized
- Careful analysis
Therefore, the conclusions remain consistent.
In summary, since the results remained almost unchanged across multiple validations, this study can be evaluated as a stable and reliable result with high confidence.
The Mechanism by Which Parent-Child Conflict Leads to Depression
The Feeling of Being Misunderstood Becomes Stress
The feeling of being misunderstood becomes a major burden on the mind.
First, people feel secure when they receive empathy.
However, when denied, anxiety increases.
This is the beginning of stress.
What would happen if you couldn’t get anyone to listen to you?
You would lock up your feelings.
When this state continues, the burden increases.
Research suggests the following process:
- Unable to gain empathy
- Feeling of isolation strengthens
- Mood declines
As a result, mental recovery is delayed.
This can potentially lead to depression.
In summary, while the feeling of not being understood by parents may seem small, it accumulates to become stress, becoming a factor that increases the risk of depression.
When Security is Lost, Emotionality Becomes Unstable
The decline in security increases emotional fluctuations.
First, security is like a safe base for the mind.
Having this allows you to stay calm.
However, when there is much conflict, you cannot feel secure.
This makes emotions more likely to become disturbed.
What if home were not a place where you could feel secure?
You would be in a constant state of tension.
This leads to mental fatigue.
The effects are as follows:
- Anxiety increases
- Become easily irritated
- Become easily depressed
As a result, emotionality becomes unstable.
Emotionality refers to the tendency of emotions to fluctuate.
In summary, an environment where you cannot feel secure makes emotions unstable, and when this state continues, the possibility of leading to depression increases.
The Relationship Between Decreased Self-Evaluation and Depression
Evaluating yourself poorly is deeply related to depression.
First, self-evaluation is how you view yourself.
When this is low, you lose confidence.
What happens when there is much parent-child conflict?
Experiences of being denied increase.
As a result, you become more likely to blame yourself.
How would you feel if you were denied repeatedly?
You might think you are worthless.
This affects the mind.
The main process is as follows:
- Experiences of being denied
- Decline in self-evaluation
- Increase in depression
This leads to depression.
In summary, parent-child conflict becomes a trigger for lowering self-evaluation, and when this accumulates, there is a possibility of approaching a depressive state.
The Accumulative Effects of Interpersonal Relationship Stress
The important point is that stress in parent-child relationships continues for a long time.
First, parents are people we interact with every day.
Therefore, their influence is significant.
A single conflict causes few problems.
However, when repeated, it becomes a burden.
What if you had slightly unpleasant experiences every day?
Your mind would gradually become tired.
This accumulates.
Research points out the following:
- Becomes chronic stress
- Little time for recovery
- Mental resilience disappears
Therefore, the effects continue.
In summary, parent-child conflict becomes strong stress not as a single event but through accumulation, and may have long-term effects on depression.
The Possibility That Depression Further Worsens Parent-Child Conflict
Depression and parent-child conflict have a mutually influencing relationship.
First, when you become depressed, your mood becomes unstable.
As a result, you become easily irritated.
This increases conflicts with parents.
This further strengthens the conflict.
What would happen if you were criticized when your mood was down?
You would react more strongly than usual.
This creates a vicious cycle.
The process is as follows:
- Become depressed
- Emotions become unstable
- Parent-child conflict increases
And then depression becomes even stronger.
In summary, parent-child conflict and depression do not have a unidirectional relationship but mutually influence each other, and breaking this vicious cycle is considered important.
How the Impact of Parent-Child Conflict Changes Under Different Conditions and Insights from Latest Research
Relationships in the moment tend to appear stronger
When measured at the same time point, relationships tend to appear stronger.
First, there is a method of measuring simultaneously.
This is called a cross-sectional survey.
The meaning is a method of investigating everything at once.
On the other hand, there is also a method of tracking over time.
This is called a longitudinal survey.
It is a method of observing changes over a long period.
What would happen if you were asked about your current mood and fights at the same time?
You would easily feel they are strongly related.
The research showed the following results.
- Cross-sectional surveys: 0.320
- Longitudinal surveys: 0.227
- The difference was statistically confirmed
In other words, it appears strong in the moment.
In summary, when measured at the same time, the relationship between parent-child conflict and depression tends to appear stronger, suggesting that situational influences may be significant.
The influence becomes somewhat weaker over time
There is a tendency for influence to weaken slightly with the passage of time.
First, people grow and change.
They also become better at regulating emotions.
Therefore, the influence changes gradually.
What if there is a difficult event happening now?
With time, feelings change.
This is the same kind of phenomenon.
In the research, longitudinal surveys showed 0.227.
This is a lower value than cross-sectional studies.
Possible reasons are as follows.
- Changes due to growth
- Improvement in coping abilities
- Environmental changes
Therefore, the influence becomes slightly weaker.
In summary, the impact of parent-child conflict tends to weaken somewhat over time, and growth and environmental changes may be related factors.
Why results change depending on measurement methods
The strength of results changes depending on how parent-child conflict is measured.
First, measurement methods refer to the content of questions.
Results change depending on what you look at.
For example, there is a method of looking only at behavior.
On the other hand, there is also a method that includes emotions.
What if you were only asked about the number of fights?
The depth of emotions would not be understood.
This creates differences.
The research showed the following differences.
- Methods including emotions: 0.341
- Behavior-focused: approximately 0.261
- Others: approximately 0.250
In other words, the deeper the measurement, the stronger it is.
In summary, parent-child conflict results change depending on measurement methods, and the research shows that the influence appears stronger especially when emotional relationships are included.
Newer studies tend to show stronger relationships
Newer research shows stronger relationships.
First, research spans from 1996 to 2022.
There are differences in results by era.
In newer research, correlations are stronger.
What happens when attention focuses on mental health issues?
Measurement becomes more accurate.
This influences the results.
Possible reasons are as follows.
- Improved measurement accuracy
- Increased interest
- Evolution of analytical methods
Therefore, more recent studies tend to be stronger.
In summary, the newer the research, the stronger the relationship between parent-child conflict and depression is shown, and the evolution of measurement and analysis may be influencing this.
No major differences were found in gender or culture
No major differences were observed under many conditions.
First, no gender differences were confirmed.
Age-related differences were also not clear.
Furthermore, cultural differences were also not significant.
What if there were major differences between males and females?
Countermeasures would also need to be separated.
However, this was not the case this time.
The results were as follows.
- No gender differences
- Age differences also not clear
- Cultural differences also small
Differences between fathers and mothers were also not significant.
In summary, the relationship between parent-child conflict and depression is not limited to specific genders or cultures, suggesting it may be a phenomenon common to many young people.
In Conclusion
Parent-child conflict is a common occurrence that can happen to anyone, but research shows it is related to mood decline.
Particularly, data from 46 studies involving 31,147 people confirmed a tendency for depression levels to increase as parent-child conflict intensifies. However, this relationship is “moderate,” and does not necessarily apply to everyone.
Additionally, no significant differences were observed based on gender or culture, suggesting this may be a phenomenon common to many young people. That’s precisely why what’s important is not to dismiss it lightly as “something that happens often,” but to become aware of your own feelings.
When you’re troubled by your relationship with your parents, it’s important not to bear it alone, but to talk to someone you trust. Small moments of awareness can be the first step in protecting your mental health.

Writer and Editor-in-Chief: Tokiwa Eisuke @etokiwa999
CEO of SUNBLAZE Inc. As a child, he experienced poverty, domestic abuse, bullying, truancy, and dropping out of school, making him a victim of various social problems. He spent 10 years researching social issues and published “Encyclopedia of Villains” through Jiyukokuminsha. He continues to independently research social problems and the determining factors that create villains (work, education, health, personality, genetics, region, etc.), and has authored 4 academic papers (2 of which were published in journals). He aims to predict the occurrence of social problems. Spiky profile (WAIS-IV).








