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What Percentage Of People Have Depression

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Depression Or Feelings Of Depression

People suffering from depression not getting the help they need

Just over one in ten people had depression or feelings of depression in 2017-18, compared with 8.9% in 2014-15. While overall, females had depression or feelings of depression at a higher rate than males , the increase between 2014-15 and 2017-18 was especially evident amongst males aged 15-54 years.

Proportion of persons with depression or feelings of depression, 2014-15 and 2017-18

Age group


Anxiety and depression commonly occur together, with around 1.5 million Australians having both an anxiety-related condition and depression or feelings of depression in 2017-18 .

Whats The Difference Between Normal Grief After A Loss And Mdd

When you experience a loss of someone close to you, its normal to grieve and feel down and empty for a period of several weeks or more, but it should get better, says Dr. Murrough. If youre starting to feel worse instead of better as time goes on, thats a red flag. Perhaps, more critically, a typical grief reaction isnt: My life is not worth living anymore. Consider seeking treatment if you or someone experiences this.

Statistical Methods And Measurement Caveats

Diagnostic Assessment:


  • The entirety of NSDUH respondents for the major depressive episode estimates is the civilian, non-institutionalized population aged 12-17 and 18 years old or older residing within the United States.
  • The survey covers residents of households and persons in non-institutional group quarters .
  • The survey does not cover persons who, for the entire year, had no fixed address were on active military duty or who resided in institutional group quarters .
  • Some adults and adolescents in these excluded categories may have had a major depressive episode in the past year, but they are not accounted for in the NSDUH major depressive episode estimates.
  • Sex was recorded by the interviewer.

Interview Response and Completion:

  • In 2019, 35.1% of the selected NSDUH sample did not complete the interview.
  • Reasons for non-response to interviewing include: refusal to participate respondent unavailable or no one at home and other reasons such as physical/mental incompetence or language barriers .
  • Adults and adolescents with major depressive episode may disproportionately fall into these non-response categories. While NSDUH weighting includes non-response adjustments to reduce bias, these adjustments may not fully account for differential non-response by mental illness status.

Please see the 2019 National Survey on Drug Use and Health Methodological Summary and Definitions report for further information on how these data were collected and calculated.

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Major Depression And Genetics

How common is major depression? At least 10% of people in the U.S. will experience major depressive disorder at some point in their lives. Two times as many women as men experience major depression.

How do we know that genes play a role in causing depression? Scientists look at patterns of illness in families to estimate their heritability, or roughly what percentage of their cause is due to genes. To do this we find people with the disease who have a twin, and then find out whether the twin is also ill. Identical twins share 100% of their genes, while non-identical twins share 50% of their genes. If genes are part of the cause, we expect a patients identical twin to have a much higher risk of disease than a patients non-identical twin. That is the case for major depression. Heritability is probably 40-50%, and might be higher for severe depression.

This could mean that in most cases of depression, around 50% of the cause is genetic, and around 50% is unrelated to genes . Or it could mean that in some cases, the tendency to become depressed is almost completely genetic, and in other cases it is not really genetic at all. We dont know the answer yet.

We can also look at adoption studies, to see whether an adopted persons risk of depression is greater if a biological parent had depression. This also seems to be the case.

However, many people who develop major depression did not have this type of personality before their depression started.

Disease Burden Of Mental Health And Substance Use Disorders

Depression in the United States Household Population, 2005 ...

Health impacts are often measured in terms of total numbers of deaths, but a focus on mortality means that the burden of mental health disorders can be underestimated.2 Measuring the health impact by mortality alone fails to capture the impact that mental health disorders have on an individuals wellbeing. The disease burden measured in Disability-Adjusted Life Years considers not only the mortality associated with a disorder, but also years lived with disability or health burden. The map shows DALYs as a share of total disease burden mental and substance use disorders account for around 5 percent of global disease burden in 2017, but this reaches up to 10 percent in several countries. These disorders have the highest contribution to overall health burden in Australia, Saudi Arabia and Iran.

In 2017, an estimated 264 million people in the world experienced depression. A breakdown of the number of people with depression by world region can be seen here and a country by country view on a world map is here.In all countries the median estimate for the prevalence of depression is higher for women than for men.

DALYs from depression

The chart found here shows the health burden of depression as measured in Disability Adjusted Life Years per 100,000. A time-series perspective on DALYs by age is here.

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How Can I Help Someone With Depression

Helping someone with depression might not look a single way. However, things that you can do to help include encouraging treatment, listening with compassion, helping the person suffering with daily tasks, be vigilant for signs of suicidal behavior, and to make sure you are caring for yourself, too.

Interpreting Data On Depression

While the numbers listed above are valuable and vital, it is important to keep in mind that the true rates are likely much higher, especially in less developed countries. Depression is much more likely to be diagnosed in highly developed countries, whose more robust health care infrastructures are far better equipped to identify and treat mental illnesses.

Therefore, less developed countries do not necessarily have less depressionrather, their treatment of mental illnesses often takes a back seat to broader concerns such as hunger, disease, and sanitation. In fact, the World Health Organization estimates that 7685% of people suffering from mental disorders in low- and middle-income countries lack access to the necessary treatment. Moreover, even in developed nations, many cases of mental illness go undiagnosed and unreported because the patients are either ashamed of their illness or unaware that it’s a medically treatable condition.

Depression rates are rising around the world, but it’s likely that this rise is due at least in part to a good thing: More patients than ever before are seeking and receiving treatment for mental illness rather than going undiagnosed. In many countries, including the United States, the stigma surrounding mental illnesses is gradually decreasing. This enables a more open discussion of mental illness and makes people more likely to seek help when they need it.

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Stats For Depression Treatment

Although it might sound unlikely, there are countries where less than 10% of the population receives treatment for their disorder. Thankfully, there are many online therapy sites and other treatment options that can be of great help for those with depression. Read the statistics on depression and the treatment of this disorder below.

Treatment For Bipolar Disorder

Levels of depression have doubled during coronavirus pandemic – BBC News
  • Success rates of 70 to 85% were once expected with lithium for the acute phase treatment of mania, however, lithium response rates of only 40 to 50% are now commonplace.
  • Participation in a DBSA patient-to-patient support group improved treatment compliance by almost 86% and reduced in-patient hospitalization.
  • Consumers with bipolar disorder face up to ten years of coping with symptoms before getting an accurate diagnosis, with only one in four receiving an accurate diagnosis in less than three years.
  • A gender bias exists in the diagnosis of bipolar disorder: women are far more likely to be misdiagnosed with depression and men are far more likely to be misdiagnosed with schizophrenia.
  • Nearly 9 out of 10 consumers with bipolar disorder are satisfied with their current medication, although side effects remain a problem.
  • Consumers who report high levels of satisfaction with their treatment and treatment provider have a much more positive outlook about their illness and their ability to cope with it.
Crisis Information

If you or someone you know has thoughts of death or suicide, call 273-TALK or 9-1-1 immediately. You can also text DBSA to 741-741. Or contact a medical professional, clergy member, loved one, friend, or hospital emergency room.

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Depression And Other Health Conditions

  • It is estimated that depression is two to three times more common in people with a chronic physical health problem
  • Nearly one-third of patients with major depressive disorder also have substance use disorders
  • Research finds that 32-39% of people with anorexia nervosa, 36-50% of people with bulimia nervosa, and 33% of people with binge eating disorder are also diagnosed with major depressive disorder

Depression And Suicide Risk

Depression usually does not lead to suicide ideation. But, according to the US Department of Health and Human Services, studies have shown that about two percent of people who have been treated for depression in an outpatient setting will die by suicide. If the treatment is inpatient, the number doubles to four percent. Men are more likely to die by suicide after depression than women. Find hotlines and organizations for support in our emergency mental health resources directory.

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Depression: Facts Statistics And You

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Sadness and grief are normal human emotions. We all have those feelings from time to time but they usually go away within a few days. Major depression, or major depressive disorder, however, is something more. Its a diagnosable condition thats classified as a mood disorder and can bring about long-lasting symptoms such as overwhelming sadness, low energy, loss of appetite, and a lack of interest in things that used to bring pleasure.

Left untreated, depression can lead to serious health complications, including putting your life at risk. Fortunately, there are effective treatments for depression through options like therapy, medication, diet, and exercise.

Specific circumstances can trigger other forms of depression or subsets of the condition.

What Are The Challenges Of Measuring Depression


Content validity: We might want to know whether the questionnaires were measuring depression at all. How would we be sure of this?

We could first think about which emotions and behaviors we associate with depression sadness, tiredness, guilt, a loss of energy, and so on and we could make sure that the questionnaires ask about all of these emotions.

Criterion validity: We could also find out if peoples responses to the questions are correlated with other things we associate with depression.

For example, if someone is severely depressed, we might expect that they are also less sociable and that they perform poorly at work or school. We could test whether this is the case for people who scored high on a questionnaire for depression.

Discriminant validity: We could also test whether their responses are uncorrelated with things we dont associate with depression, such as their height or intelligence.

Internal consistency: Another important thing wed want to know is whether the questions were actually tapping into the same phenomenon.

Do all the questions measure depression or are some measuring other concepts instead? To test for this, we could look at how closely peoples answers to different questions align with each other.

One consequence of this focus is that scores shouldnt also measure other concepts.

Fortunately, there are straightforward ways to test this: we could measure how consistent different doctors were at diagnosing the same patients.

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About 25% Of Patients Admitted To A Hospital Due To Depression Have Psychotic Depression

According to depression statistics, over time, quite a number of people might develop symptoms of depression. Whats more, 1 in 13 people will experience a psychotic episode before age 75. Finally, it is important to note that psychotic depression is a severe mood disorder, the symptoms of which can include hallucinations, delusions, or paranoia.

What Are The Symptoms Of Depression

Each person is different and will have unique symptoms, but here are some of the more common symptoms of depression:

  • Depressed mood
  • Feelings of guilt, worthlessness, helplessness or hopelessness
  • Loss of interest or pleasure in usually-enjoyed activities
  • Change in weight or appetite
  • Sleep disturbances

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Characteristics Of Adults With Depressive Symptoms In Early 2021

This section explores the rates of depressive symptoms in early 2021 by more detailed characteristics. We have also carried out a logistic regression analysis to assess the likelihood of experiencing some form of depression after controlling for a range of characteristics such as age and sex.

Regression analysis allows us to identify someone with a particular characteristic reporting higher or lower odds of experiencing some form of depression when compared with a specified reference group, after taking other possible characteristics into account.

For example, if a particular group has an odds ratio of less than 1, they are less likely than the reference group to experience some form of depression. If the odds ratio is greater than 1, they are more likely to experience some form of depression than the reference group.

For more information on the characteristics included in the regression analysis, see Section 4.

It is important to note that the associations between characteristics and the presence of moderate to severe depressive symptoms in this article may not necessarily reflect a causal relationship.

Depression Among Older Adults

The ADHD and Depression Connection

According to the 2017 survey, approximately 1.4 million Americans age 65 and older experienced a major depressive episode. In 2016, the figure was 1.3 million. Some factors explaining the increase in depression among older adults include:

  • The death of a loved one
  • Lifestyle changes due to retirement
  • Becoming physically ill
  • Anticipating death

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Data Source And Methods

Data from the 2019 National Health Interview Survey data were used for this analysis. NHIS is a nationally representative multipurpose health survey of the civilian noninstitutionalized U.S. population. It is conducted continuously throughout the year by the National Center for Health Statistics . Interviews are conducted in the respondents home, but follow-ups to complete interviews may be conducted by telephone when necessary. For more information about NHIS, visit:

Point estimates and the corresponding variances were calculated using SAS-callable SUDAAN version 11.0 to account for the complex sample design of NHIS. Linear, quadratic, and cubic trends by age were evaluated using orthogonal polynomials in logistic regression. Differences between percentages were evaluated using two-sided significance tests at the 0.05 level. All estimates presented meet NCHS data presentation standards for proportions .

Rates Of Depression And Co

Depression often co-occurs with other conditions, such as psychological disorders or substance abuse and addiction. Anxiety and depression frequently co-occur due to shared symptoms and causes. According to the Anxiety and Depression Association of America, nearly half of the people diagnosed with depression also have an anxiety disorder.

Other conditions that frequently co-occur with depression include bipolar disorder, post-traumatic stress disorder and specific personality disorders.

Depression also links to medical issues such as heart disease and stroke. Mental Health America lists noteworthy statistics involving depression as a co-occurring condition:

  • Between 40 and 65 percent of people who had a heart attack also experienced depression
  • Depression occurs for between 10 and 27 percent of people who survived a stroke
  • Approximately 25 percent of people with cancer also have depression
  • Around 1 in 3 people with depression also have a substance use disorder

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Whos Most Affected By Mental Health Problems

Anyone can get a mental health problem. But we know that some groups are more likely to get them than others.

These include:

  • People who identify as LGBTIQ+. LGBTIQ+ people are between 23 times more likely than heterosexual people to report having a mental health problem in England .
  • Black or Black British people. 23% of Black or Black British people will experience a common mental health problem in any given week. This compares to 17% of White British people .
  • Young women aged 16-24. Over a quarter of young women aged between 1624 years old report having a common mental health problem in any given week. This compares to 17% of adults. And this number has been going up .
  • Around 40% of people in England who have overlapping problems including homelessness, substance misuse and contact with the criminal justice system in any given year also have a mental health problem .

It’s important to know that your identity does not give you mental health problems. Causes of mental health problems can be very complicated. Higher risk for these groups is linked to several factors , including:

  • facing social inequality and disadvantage
  • facing discrimination and social exclusion

Figure : Disabled And Cev Adults Were More Likely To Experience Some Form Of Depression Than Non

Over 300 million people suffer from depression worldwide ...

Percentage of adults with depressive symptoms by disability and CEV status, Great Britain, 27 January to 7 March 2021


A recent publication covering the period 22 March to 31 March 2021 found that 20% of all CEV adults in England felt their well-being and mental health had become much worse or slightly worse in the last month. Additionally, research into the impact of the coronavirus on disabled adults in Great Britain found that among people who said their well-being was affected, disabled adults were also more likely to say that the coronavirus was making their mental health worse than non-disabled adults.

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