In short
Faith is consistently associated with higher wellbeing. In the Global Flourishing Study of 202,898 people across 22 countries, weekly religious service attenders scored 0.56 points higher on a composite flourishing scale than people who never attend (2023 data), and religious attendance was one of the factors most consistently tied to wellbeing. Harvard cohort work points the same way: women who attended services more than weekly had a 33% lower all-cause mortality rate over 16 years. Pew, Gallup, and Springtide report parallel happiness and life-satisfaction gaps. These are associations, not proof that faith causes wellbeing, and much of the effect runs through measurable pathways like social support.
- The wellbeing gap is real and repeated: Harvard, Pew, and Gallup all find worship attenders report higher flourishing, happiness, and life satisfaction.
- Much of the mortality link runs through measurable pathways, not the service itself: social support alone explained about 23% of it in the Harvard cohort.
- The effect is not universal: in secular Denmark the mortality benefit appeared for women only, and prayer helps or hurts depending on how it is done.
- Caveat: every finding here is an association. Community, self-selection, and reverse causation are confounders, so none of it proves faith causes happiness or health.
Faith is consistently associated with higher wellbeing. In the Global Flourishing Study of 202,898 people across 22 countries, weekly religious service attenders scored 0.56 points higher on the composite flourishing scale than people who never attend (2023 data, Nature Mental Health, 2025), and the association held across nearly every country. Harvard epidemiologist Tyler VanderWeele's cohort work points the same way: women who attended services more than weekly had a 33% lower all-cause mortality rate over 16 years (JAMA Internal Medicine, 2016). Pew, Gallup, and Springtide report parallel happiness and life-satisfaction gaps. These are associations, not proof that faith causes wellbeing, and effects are strongest for people who are already religious.
higher flourishing for weekly attenders vs never, across 22 countries
all-cause mortality for women attending services more than weekly
Key findings at a glance
| Metric | Value | Year | Source |
|---|---|---|---|
| Weekly attenders vs never, flourishing gap | 0.56 points | 2023 | Global Flourishing Study |
| Women attending more than weekly, all-cause mortality | 33% lower | 1996-2012 | JAMA Internal Medicine |
| Women attending weekly, deaths of despair | 68% lower | 2020 | JAMA Psychiatry |
| US adults feeling deep spiritual peace weekly | 40% | 2023-24 | Pew Research Center |
| Weekly attenders satisfied with personal life | 92% vs 82% | 2022 | Gallup |
| Very religious young people flourishing a lot | 40% vs 17% | 2022 | Springtide Research Institute |
The wellbeing gap: faith and flourishing
The headline evidence is that people active in a faith community report higher flourishing, happiness, and life satisfaction. The largest source is the Global Flourishing Study, backed by Pew and Gallup national data. The gaps are consistent, but they are cross-sectional associations, not proof that attendance itself causes the difference.
People who attend religious services weekly score 0.56 points higher on a composite flourishing scale (0 to 10) than people who never attend, across 22 countries in 2023, according to the Global Flourishing Study in Nature Mental Health.
92% of weekly worship attenders reported being satisfied with their personal life in 2022, compared with 82% of those attending less than monthly, according to Gallup.
Religious service attendance was one of the factors most consistently associated with present and subsequent wellbeing across countries and outcomes in the Global Flourishing Study (2023), according to the study authors in Nature Mental Health.
| Statistic | Value | Year | Source |
|---|---|---|---|
| More-than-weekly attenders vs never, flourishing gap (95% CI 0.62 to 1.00) | 0.81 points | 2023 | Global Flourishing Study |
| Global Flourishing Study participants across 22 countries (Wave 1) | 202,898 people | 2023 | Global Flourishing Study |
| Weekly attenders very happy vs seldom/never (43% vs 26%) | ~17 points | 2023-24 | Pew Research Center |
| US adults who are very happy with their life (57% pretty happy) | 28% | 2023-24 | Pew Research Center |
| Weekly attenders very satisfied vs infrequent attenders | 67% vs 48% | 2022 | Gallup |
| Actively religious describing themselves as very happy, US and 25+ countries | happier and more engaged | 2010-2014 | Pew Research Center |
| US adults attending services in person at least monthly (context) | 33% | 2023-24 | Pew Research Center |
| US adults attending services weekly or almost weekly (context) | 3 in 10 | 2023 | Gallup |
Service attendance and physical health outcomes
Peer-reviewed prospective cohorts link regular religious service attendance to lower mortality, lower suicide risk, and lower deaths of despair. These are observational associations adjusted for many factors, not proof of cause, and they are weaker in more secular populations.
Women who attended religious services more than once per week had a 33% lower all-cause mortality rate than women who never attended, over a 16-year follow-up (1996 to 2012), according to a study of 74,534 Nurses' Health Study women in JAMA Internal Medicine.
Women who attended religious services at least weekly had a 68% lower risk of death from despair (suicide, drug or alcohol poisoning, liver disease) than never-attenders, according to a 2020 study in JAMA Psychiatry.
| Statistic | Value | Year | Source |
|---|---|---|---|
| Women more than weekly, cardiovascular mortality (95% CI 0.62 to 0.85) | HR 0.73 (27% lower) | 1996-2012 | JAMA Internal Medicine |
| Women more than weekly, cancer mortality (95% CI 0.70 to 0.89) | HR 0.79 (21% lower) | 1996-2012 | JAMA Internal Medicine |
| Women attending at least weekly, suicide rate vs never (HR 0.16) | 5-fold lower | 1996-2010 | JAMA Psychiatry |
| Men attending at least weekly, risk of death from despair | 33% lower | 2020 | JAMA Psychiatry |
| Secular Denmark: monthly attendance and mortality (women only, not men) | lower for women only | 2023 | European Journal of Epidemiology |
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Prayer, coping, and mental wellbeing
Personal prayer does not have one uniform effect on mental wellbeing. The research is mixed and type-dependent: connective, gratitude-focused prayer tracks with better mental health, while fear-driven or petitionary prayer can track with more distress. Prayer is associated with wellbeing; it is not a substitute for medical care.
Praying with others and experiencing positive emotions during prayer were correlated with greater overall mental health, according to a 2024 study in the Journal of Religion and Health using the 2021 Baylor Religion Survey.
Spiritual wellbeing was protective against depression (correlation -0.15), while negative religious coping was associated with more depressive symptoms (correlation +0.09) in young people, according to a 2023 systematic review and meta-analysis in BMC Psychiatry.
| Statistic | Value | Year | Source |
|---|---|---|---|
| Prayer related to mental wellbeing both positively and negatively | type-dependent | 2021 | Journal of Religion and Health |
| Praying Americans who pray for a sense of peace | 37% | 2017 | Barna Group |
Spiritual peace, gratitude, and everyday wellbeing
Uplifting spiritual experiences are common in everyday American life, from a sense of spiritual peace to gratitude and wonder, per Pew's national data. These are prevalence figures, how often people report the experience, not effect sizes showing the experience improves wellbeing.
40% of US adults feel a deep sense of spiritual peace and wellbeing at least once a week, according to Pew Research Center's 2023-24 Religious Landscape Study.
62% of US adults feel a strong sense of gratitude or thankfulness at least weekly, according to Pew Research Center's 2023-24 Religious Landscape Study.
| Statistic | Value | Year | Source |
|---|---|---|---|
| US adults feeling deep wonder about the universe at least weekly | 41% | 2023-24 | Pew Research Center |
Young people, faith, and mental health
Springtide's Gen Z research finds a link between religiosity, daily prayer, and self-reported flourishing among 13-to-25-year-olds, echoed by the Global Flourishing Study on childhood attendance. These are self-reported associations, and "very religious" is self-defined.
40% of very religious young people said they are flourishing a lot in their emotional and mental wellbeing, compared with 17% of non-religious peers in 2022, according to Springtide Research Institute's survey of nearly 10,000 Americans ages 13 to 25.
74% of young people who pray daily said they are flourishing a lot, compared with 57% of those who never pray, in 2022, according to Springtide Research Institute.
| Statistic | Value | Year | Source |
|---|---|---|---|
| Religious young people saying their practices positively impact mental health | 73% | 2022 | Springtide Research Institute |
| Childhood weekly attendance and adult flourishing (largest in Poland, 1.02 pts) | higher adult flourishing | 2023 | Global Flourishing Study |
How to read this evidence (association, not proof)
Every finding above is an association. The people who attend services or pray daily differ from those who do not in many ways: they tend to have more social support, healthier behaviors, and greater optimism, and wellbeing may also draw people toward faith rather than the reverse. The strongest signal is that measurable pathways, not the service itself, carry much of the effect.
In the women's mortality cohort, social support explained about 23% of the attendance-mortality association, smoking 22%, depressive symptoms 11%, and optimism 9% (1996 to 2012), according to JAMA Internal Medicine.
In a systematic review of 152 prospective studies, 49% reported at least one significant association between religiosity or spirituality and a better depression course, with a modest average effect (d = -0.18), according to a 2019 review in the Journal of Affective Disorders.
A caution on reading these numbers: none of the studies here proves faith causes happiness or health. They are associations. Religious people often have more social support, healthier habits, and more optimism, and wellbeing can draw people toward faith rather than the other way around. In the Harvard cohort, measurable pathways like social support and smoking together accounted for most of the mortality link. Read the gaps as real and repeated, but not as proof of cause.
| Statistic | Value | Year | Source |
|---|---|---|---|
| Studies finding religious struggle linked to more depression (d = +0.30) | 59% of studies | 2019 | Journal of Affective Disorders |
How we compiled these statistics
Every figure on this page is traced to a primary source and dated to the year the data was collected. Flourishing, sample-size, and childhood-attendance figures come from the Global Flourishing Study, a longitudinal study of 202,898 people across 22 countries led by Harvard's Human Flourishing Program and Baylor University, published in Nature Mental Health (2025). Mortality, cardiovascular, cancer, suicide, deaths-of-despair, and mediation figures come from Nurses' Health Study cohort work in JAMA Internal Medicine and JAMA Psychiatry, plus a Danish cohort in the European Journal of Epidemiology. Happiness, life-satisfaction, spiritual-peace, gratitude, wonder, and attendance-context figures come from Pew Research Center's 2023-24 Religious Landscape Study and Gallup. Prayer and depression findings come from the Journal of Religion and Health, BMC Psychiatry, and the Journal of Affective Disorders. Youth figures come from Springtide Research Institute and Barna Group. We frame every faith-wellbeing link as association rather than cause, spell out confounders such as social support and self-selection, and exclude the retracted UK Quiet Revival data and any prayer-heals or intercessory-trial framing.
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Frequently asked questions
Sources
- Nature Mental Health, Global Flourishing Study: Study Profile and Initial Results (VanderWeele et al., 2025)
- JAMA Internal Medicine, Li, Stampfer, Williams, VanderWeele (2016), Religious Service Attendance and Mortality Among Women
- JAMA Psychiatry, Religious Service Attendance and Lower Risk of Deaths of Despair (via Harvard Chan School)
- Pew Research Center, 2023-24 Religious Landscape Study: Spiritual Experiences
- Gallup, Religion and Wellbeing in the US
- Journal of Religion and Health, Froese et al. (2024), Prayer and Mental Well-Being in the United States
- Springtide Research Institute, The State of Religion & Young People 2022: Mental Health
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