Depressive Episode Duration Statistics

The average duration of a depressive episode is about 6 to 8 months, but can vary significantly among individuals.

Statistic 1

"The average length of a depressive episode lasts about 6 to 8 months."

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Statistic 2

"About 80% of patients with depressive disorders improve significantly with treatment."

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Statistic 3

"Over 50% of individuals who experience a depressive episode will have another within two years."

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Statistic 4

"25% of individuals with high functional disability still experience depressive episodes after five years, indicating duration can continue past standard lengths."

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Statistic 5

"About 30% of people with one depressive episode will have a recurrence."

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Statistic 6

"Approximately 65% of adults who have been depressed could not work or carry on their normal activities for 20 days during their depression."

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Statistic 7

"Major Depressive Disorder affects approximately 17.3 million American adults, or about 7.1% of the U.S. population age 18 and older, in a given year."

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Statistic 8

"Only one-third of people with major depression will recover fully while the rest will continue to have symptoms that can last for years."

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Statistic 9

"Antidepressants take an average of two to four weeks to alleviate the symptoms of depression, and sometimes up to eight weeks for maximum effect."

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Statistic 10

"Around 75% of people with depression who are responded to anti-depressants may get depressed again within a year."

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Statistic 11

"1 in 5 individuals experience a depressive episode in their lifetimes."

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Statistic 12

"Bipolar I disorder has a prevalence of 1% across the globe, with depressive episodes typically lasting longer than manic ones."

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Statistic 13

"Even after treatment, 15-20% of patients experience persistent residual symptoms."

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Statistic 14

"About 5-10% of individuals with major depressive disorder then develop dysthymia, a chronic but milder form of depression."

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Statistic 15

"Nearly 60% of adults with mental illnesses didn't receive mental health services in the previous year."

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Statistic 16

"More than 16 million adults aged 18 or older had at least one major depressive episode (depressed mood or loss of interest or pleasure) in the past year."

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Statistic 17

"Approximately 80% of individuals who have had one major depressive episode are at risk for future episodes."

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