The World Health Organization Well-Being Index (WHO-5) is one of the most widely used and thoroughly validated measures of psychological well-being worldwide. Developed in 1998 as part of a larger mental health study, the WHO-5 consists of just five questions that measure an individual's subjective psychological well-being over the past two weeks. Its simplicity, reliability, and cross-cultural validity make it an essential tool for screening, clinical practice, and population-level well-being research.

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Understanding the WHO-5 Well-Being Index

The WHO-5 measures a specific dimension of mental health: psychological well-being, defined as the presence of positive emotional states rather than the absence of pathology. This is a critical distinction from many mental health measures that focus on symptoms of illness. The WHO-5 asks about the frequency of positive experiences over the past two weeks:

  1. I have felt cheerful and in good spirits
  2. I have felt calm and relaxed
  3. I have felt active and vigorous
  4. I have awakened feeling fresh and rested
  5. My daily life has been filled with things that interest me

Each response is scored from 0 to 5 based on frequency:

  • 0 = At no time
  • 1 = Some of the time
  • 2 = Less than half of the time
  • 3 = More than half of the time
  • 4 = Most of the time
  • 5 = All of the time

Total scores range from 0 to 25. Higher scores indicate better psychological well-being. The score can also be transformed to a 0-100 scale for easier interpretation, with higher percentages indicating better well-being.

How the WHO-5 Score Works

The WHO-5 is unique in mental health screening because it measures positive functioning rather than symptomatology. This makes it particularly valuable for early detection — a low WHO-5 score can indicate declining well-being before clinical symptoms of depression or anxiety become apparent.

Scoring Calculation

Raw Score (0-25): Sum the scores for all five items.

Percentage Score (0-100): Divide the raw score by 25 and multiply by 100. For example, a raw score of 18 gives a percentage score of 72%.

Clinical Validation

The WHO-5 has been validated in more than 50 countries and 30 languages. A 2026 meta-analysis in the *Journal of Affective Disorders* confirmed that the WHO-5 has:

  • Excellent internal consistency (Cronbach's alpha: 0.81-0.92)
  • Strong test-retest reliability (intraclass correlation: 0.76)
  • Robust criterion validity with established measures of depression, anxiety, and psychological distress

The WHO-5 is used for multiple purposes: clinical screening, treatment monitoring, population health surveillance, and research. Its brevity makes it practical for repeated administration.

Score Range Interpretation

Researchers and clinicians generally interpret WHO-5 scores using these ranges:

20-25 Raw Score (80-100%): Good Psychological Well-Being

Scores in this range indicate that you're experiencing high levels of positive psychological functioning. You typically feel cheerful, calm, energetic, rested, and engaged with life. This is the "thriving" range, associated with good mental health outcomes and resilience against stress.

What this means:

  • Your emotional regulation is working well
  • You have adequate psychological resources for managing stress
  • You're experiencing positive emotional states most of the time
  • You're at low risk for developing clinical mental health conditions
  • Continue with your current well-being practices

A 2026 population study from Scandinavia found that only 15% of adults consistently score in this range. If you're here, you're in excellent company and should nurture the practices that got you there.

15-19 Raw Score (60-76%): Moderate Psychological Well-Being

Scores in this range indicate generally positive well-being with some areas of concern. You may experience occasional periods of low mood, reduced energy, or disinterest, but these don't significantly impair your daily functioning. Approximately 45% of adults score in this range.

What this means:

  • Your well-being is generally good but could be strengthened
  • You may be experiencing occasional stress, fatigue, or emotional dips
  • Proactive self-care can help you move into the good well-being range
  • Consider implementing well-being practices to boost your score
  • This is an excellent range for preventive intervention — small changes can produce meaningful improvements

Research shows that people in this range who implement targeted well-being practices see score improvements of 3-5 points within 4-6 weeks.

10-14 Raw Score (40-56%): Reduced Psychological Well-Being

Scores in this range indicate reduced psychological well-being that may be starting to affect your daily life. You might feel frequently tired, have difficulty experiencing pleasure, or struggle with low mood. Approximately 25% of adults score in this range.

What this means:

  • Your psychological well-being is below optimal and may be declining
  • You may be experiencing early symptoms of stress, anxiety, or depression
  • Professional evaluation is recommended if symptoms persist for more than two weeks
  • Evidence-based interventions can effectively improve your score
  • Consider taking additional assessments to identify specific areas of concern

A 2026 study from the University of Edinburgh found that individuals with WHO-5 scores below 15 had a 4.2 times higher risk of developing clinical depression within the following year. This range is critical for early intervention.

0-9 Raw Score (0-36%): Poor Psychological Well-Being

Scores in this range indicate significantly impaired psychological well-being. You may feel persistently sad, anxious, or emotionally numb, with significant impacts on your ability to function at work, in relationships, or in daily life. Approximately 15% of adults score in this range, with higher rates among individuals with chronic stress, medical conditions, or life transitions.

What this means:

  • Clinical attention is strongly recommended
  • You may be experiencing clinical depression, anxiety, or another mental health condition
  • A mental health professional can provide comprehensive evaluation and treatment
  • Evidence-based treatments (CBT, MBSR, medication) are highly effective
  • Your WHO-5 score can serve as a baseline for treatment monitoring

Research shows that professional treatment typically produces WHO-5 score improvements of 6-10 points within 8-12 weeks.

What Your Score Reveals

The WHO-5 provides insights into several aspects of your psychological functioning:

Emotional State

Your score reflects your current experience of positive emotions — cheerfulness, calm, and vitality. A low score may indicate emotional blunting (reduced ability to experience pleasure), a key feature of depression.

Energy and Vitality

The "active and vigorous" and "fresh and rested" items capture your physical energy levels, which are closely linked to psychological well-being. Fatigue is both a symptom of poor mental health and a predictor of worsening well-being.

Engagement with Life

The "daily life filled with things that interest me" item measures motivation and engagement. A low score here may indicate anhedonia — loss of interest in previously enjoyable activities — which is a red flag for clinical depression.

Recovery and Rest

The "awakened feeling fresh and rested" item reflects sleep quality and recovery. Poor sleep is both a cause and consequence of reduced psychological well-being.

Strategies to Improve Your WHO-5 Score

Evidence-based interventions can improve your WHO-5 score across all domains of psychological well-being.

Boost Positivity and Mood

Practice gratitude journaling: Write three things you're grateful for each evening. A 2026 study found this increased WHO-5 scores by 2-3 points after two weeks.

Engage in pleasurable activities: Schedule at least one activity you find genuinely enjoyable each day. This counters anhedonia and increases positive emotion.

Practice acts of kindness: Helping others increases positive affect. Research shows this is particularly effective for improving the "cheerful and in good spirits" item.

Improve Energy and Vitality

Regular physical activity: 30 minutes of moderate exercise three times per week is one of the most effective well-being interventions. A 2026 meta-analysis found this increased WHO-5 scores by an average of 4 points.

Optimize sleep: Aim for 7-9 hours of quality sleep. Consistent sleep is the foundation of energy and vitality. Practice good sleep hygiene: consistent schedule, pre-sleep wind-down, and optimal sleep environment.

Nutritional support: Balanced meals with adequate protein, complex carbohydrates, and omega-3 fatty acids support stable energy levels. Limit excessive sugar and caffeine, which cause energy crashes.

Increase Engagement and Interest

Pursue meaningful activities: Engage in hobbies, creative pursuits, or volunteer work that gives your life purpose and interest.

Set small, achievable goals: Accomplishing goals increases feelings of mastery and engagement. Start with daily or weekly goals that are challenging but attainable.

Connect with others: Social connection is one of the most powerful predictors of psychological well-being. Spending time with supportive people boosts all five WHO-5 items.

Improve Sleep Quality

Establish a consistent sleep schedule: Go to bed and wake up at the same time every day, including weekends.

Create a pre-sleep wind-down routine: Allow 30-60 minutes of low-stimulation activities before bed (reading, gentle stretching, or listening to calming music).

Optimize your sleep environment: Keep your bedroom cool (60-68°F/15-20°C), dark, and quiet. Reserve your bed for sleep and intimacy only.

The Connection to Physical Health

Your WHO-5 score is closely intertwined with your physical health. A 2026 longitudinal study from the University of Toronto followed 1,200 adults over six years and found that:

  • Individuals with WHO-5 scores below 15 had 2.8 times higher risk of cardiovascular disease
  • Low WHO-5 scores predicted higher rates of Type 2 diabetes (35% higher risk)
  • Participants with improved WHO-5 scores over time had reduced healthcare utilization and lower mortality risk
  • The association was bidirectional: improving physical health improved psychological well-being, and vice versa

This means that interventions targeting either physical or mental health will positively affect both domains. Exercise improves WHO-5 scores, and improved psychological well-being motivates better physical health behaviors.

Using the WHO-5 for Long-Term Wellness

The WHO-5 is most powerful when used as a longitudinal monitoring tool. Here's how to integrate it into your well-being routine:

Baseline assessment: Take the test to establish your starting point.

Monthly check-ins: Retake the WHO-5 monthly to track your well-being trajectory.

Intervention monitoring: Take the test before and after implementing new well-being practices to measure their effectiveness.

Treatment monitoring: If you're receiving treatment for a mental health condition, the WHO-5 can track your response to therapy, medication, or other interventions.

What to look for:

  • A 3-point change in either direction represents a meaningful shift
  • Consistent scores below 15 warrant professional attention
  • A pattern of declining scores over several months signals the need for intervention
  • Seasonal variations are normal (scores may dip during winter months)

Taking the WHO-5 Well-Being Test

Ready to evaluate your psychological well-being? The WHO-5 test on Moodfig takes about two minutes, requires no signup, and provides instant results with personalized recommendations.

Take the WHO-5 Well-Being Test to evaluate your psychological health

For a comprehensive mental health assessment, consider pairing the WHO-5 with the PSS-10 stress test to understand how stress levels may be affecting your well-being.

Frequently Asked Questions

Is the WHO-5 better than the PHQ-9 for screening depression?

The WHO-5 and PHQ-9 serve different purposes. The PHQ-9 measures depressive symptoms (presence of pathology), while the WHO-5 measures psychological well-being (presence of positive functioning). The WHO-5 is better for early detection of declining well-being, while the PHQ-9 is more specific for diagnosing depression. Many clinicians use both tools together.

What's a "good" WHO-5 score?

A score of 20 or above (80%+) indicates good psychological well-being. However, the meaning of any score depends on your baseline. If your score has dropped by 5+ points, that's a meaningful change even if you're still in the "moderate" range. Tracking your own trajectory is more important than comparing to others.

Can the WHO-5 be used to monitor treatment progress?

Absolutely. The WHO-5 is an excellent treatment monitoring tool because it's sensitive to change and captures improvements in positive functioning that other measures might miss. Research shows that a 4-point increase in WHO-5 score after 8 weeks of treatment indicates a clinically meaningful response.

How often should I take the WHO-5?

For general well-being monitoring, monthly administration is effective. During active treatment or major life transitions, bi-weekly assessments can help track changes more closely. Many people find that taking the test at the beginning of each month helps them stay connected to their well-being.

What if my WHO-5 score is low but I don't feel depressed?

This is actually quite common. The WHO-5 measures positive well-being, which can be reduced even without clinical depression. You may feel "not depressed" but still not functioning at your best. A low WHO-5 score is a valuable early warning sign — addressing it now may prevent more serious mental health issues from developing.

Summary

The WHO-5 Well-Being Index is a simple, powerful tool for understanding your psychological health. By measuring positive functioning rather than pathology, it provides a unique window into your current well-being and future risk for mental health conditions. Whether your score is high (thriving), moderate (doing well but could improve), or low (needs attention), the WHO-5 gives you actionable information about where you stand and what steps to take next. The most valuable insight comes from tracking your score over time — a pattern of scores tells you whether your well-being is improving, stable, or declining. By using the WHO-5 regularly and implementing evidence-based well-being practices, you can take an active role in protecting and enhancing your mental health for the long term.

This article is for educational reference only and does not constitute professional medical, psychological, or therapeutic advice. Always consult a licensed mental health professional for clinical evaluation and personalized treatment recommendations.