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What Really Makes People Happy? The Data May Surprise You

Six data points on what actually drives happiness, from an 80-year Harvard study on relationships to a famous number about money that turned out to be only half true

What Really Makes People Happy? The Data May Surprise You | DT Linux Data Briefing
A DATA BRIEFING FROM DT LINUX · INTERACTIVE DASHBOARD

What Really Makes People Happy? The Data May Surprise You

Six sourced data points on what actually drives happiness, from an 80-year Harvard study on relationships to a famous number about money that turned out to be only half true. Filter the charts below by case.
Published September 21, 2026 · DT Linux Data Store
90%
of 136 countries show giving predicts greater happiness than spending on yourself
45 min
the exercise sweet spot, done 3 to 5 times a week
80 years
how long the Harvard happiness study has tracked its subjects
35%
more income needed to offset an average commute's happiness cost

Three tiers, by what they actually measure

TIER 1

The Mood

Small, repeatable inputs to day-to-day wellbeing you could act on this week.

TIER 2

The Evaluation

The bigger, life-structural things that quietly shape overall life satisfaction.

TIER 3

The Myth

Two famous happiness claims, checked against what the original research actually found.

Explore the data

Filter every chart below by case. Charts that don't include the selected case dim out rather than disappear, so you can always see the full picture.

Does giving predict happiness worldwide?

Gallup World Poll, 2006 to 2008, 234,917 people across 136 countries, analyzed by Aknin et al.

Dataset schema

The structure behind every figure in this dashboard, available as a licensed dataset or API feed.
FieldTypeDescription
case_idstringShort identifier for the case, e.g. prosocialspend
case_namestringFull, human-readable case title
tierstringmood, evaluation, or myth
metric_labelstringWhat the figure measures
metric_valuenumberThe reported numeric value
unitstringdollars, percent, points, or count
sourcestringStudy, survey, or research institution
source_yearnumberYear of fieldwork or publication
sample_sizestringReported sample size, where available

Sourcing & methodology

Every figure traces to a named peer-reviewed study or a large public dataset, never a repeated internet statistic. The two myth cases are included specifically because their popular one-line summaries diverge from what the original research found, and that gap is documented rather than smoothed over.

Licensing & compliance

This dataset is available for commercial and internal use under a DT Linux data license. Every figure remains attributed to its original source. No respondent-level or personally identifiable data is included anywhere; all figures are published aggregates.

API access

Need these figures inside your own dashboard or product? DT Linux can expose this and other data-briefing datasets over a lightweight API. Reach out at info@dtlinux.com to discuss access.

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