This Tableau project demonstrates comprehensive data visualization skills through an analysis of global happiness data from 2015-2023. As a BI/Data Analyst for a healthcare consultancy firm, I investigated how demographic, regional, and economic characteristics influence quality of life across countries worldwide.
📂 World-Happiness-Report-Tableau/
│
├── 📂 Data/
│ └── world_happiness_2015_2023.csv # Primary dataset
│
├── 📂 Screenshots/
│ ├── Dashboard1_Happiness_Overview.png
│ ├── Dashboard2_GDP_Effect.png
│ ├── Dashboard3_Factors_Most_Happy.png
│ ├── Dashboard4_Factors_Least_Happy.png
│ └── Story_Final_Presentation.png
│
├── 📜 README.md # This file
└── 📜 Tableau_Workbook.twbx # Tableau packaged workbook
- Average Happiness Score by Region (Highlighted Table)
- Top 10 Most Happy Countries (Interactive Map)
- Top 10 Least Happy Countries (Interactive Map)
- Dashboard Title: "Happiness Status Overview (2015-2023)"
- Average Happiness Score for Top 10 Countries (Highlighted Table)
- Average GDP per Capita Trend (Multi-line Chart)
- Happiness Score vs GDP per Capita (Line Chart with Annotations)
- Dashboard Title: "Effect of GDP per Capita on Happiness Score (Top 10 Most Happy Countries)"
- Happiness Score Timeline (Text Table)
- Freedom & Social Support Analysis (Dual Combination Chart)
- Generosity & Life Expectancy Analysis (Dual Combination Chart)
- Dashboard Title: "Effect of Freedom, Social Support, Generosity and Healthy Life Expectancy (Most Happy Countries)"
- Happiness Score Timeline (Text Table)
- Freedom & Social Support Analysis (Dual Combination Chart)
- Generosity & Life Expectancy Analysis (Dual Combination Chart)
- Dashboard Title: "Effect of Freedom, Social Support, Generosity and Healthy Life Expectancy (Least Happy Countries)"
- 4 Story Points (One for each dashboard)
- Inferences & Narratives (Key findings for stakeholders)
- Interactive Navigation with relevant captions
- Highest Average Happiness: Northern Europe and North America
- Lowest Average Happiness: Sub-Saharan Africa and South Asia
- Most Consistent Happiness: Western European countries
- Strong Correlation: GDP per capita significantly influences happiness scores
- Diminishing Returns: Beyond certain GDP levels, additional wealth has less impact on happiness
- Top Performers: Nordic countries maintain high happiness despite varying GDP trends
- Critical Factors: Social support and freedom of choice are paramount
- Health Importance: Healthy life expectancy strongly correlates with happiness
- Generosity Impact: Less significant than other factors but contributes to overall well-being
- Most Happy Countries: Finland, Denmark, Iceland consistently top rankings
- Least Happy Countries: Afghanistan, South Sudan show consistent challenges
- Improving Nations: Several Eastern European countries show positive trends
- Geospatial Mapping with custom color schemes
- Dual-Axis Combination Charts for multi-factor analysis
- Interactive Highlight Tables with conditional formatting
- Annotated Line Charts for trend explanations
- Parameter-Driven Filters for user interactivity
- Consistent Color Schemes across all visualizations
- Balanced White Space for optimal readability
- Hierarchical Information Architecture
- Mobile-Responsive Considerations
- User-Centric Navigation
| Column | Description | Type |
|---|---|---|
country |
Name of the country | String |
region |
Geographic region/continent | String |
happiness_score |
Overall happiness measure (0-10) | Float |
gdp_per_capita |
GDP contribution to happiness score | Float |
social_support |
Social support metric | Float |
healthy_life_expectancy |
Life expectancy contribution | Float |
freedom_to_make_life_choices |
Freedom contribution | Float |
generosity |
Generosity contribution | Float |
year |
Data collection year (2015-2023) | Integer |
- Start with Story View: Navigate through the 4 key insights
- Interactive Exploration: Use filters to focus on specific regions/countries
- Comparative Analysis: Compare factors between most and least happy countries
- Review Dashboard Design: Examine layout, color choices, and interactivity
- Analyze Calculations: Study the calculated fields and parameters
- Replicate Techniques: Use similar approaches for your projects
- Study Visualization Choices: Understand why specific chart types were selected
- Examine Dashboard Layout: Learn about optimal spacing and organization
- Practice with Data: Download the dataset and recreate visualizations
✅ 4 Comprehensive Dashboards with interactive elements
✅ 15+ Unique Visualizations using multiple chart types
✅ Parameter-Driven Interactivity for user exploration
✅ Complete Data Story with stakeholder-ready narrative
✅ Professional Dashboard Design following best practices
✅ Published Tableau Public Workbook with shareable link
- Tableau Public (free) or Tableau Desktop
- Web browser for Tableau Public access
- File:
world_happiness_2015_2023.csv - Rows: ~1,400 records (2015-2023)
- Source: Kaggle World Happiness Report (CC0: Public Domain)
- Modifications: Slightly modified for educational purposes
-
Data Preparation
- Loaded and validated CSV data
- Created calculated fields for aggregations
- Established parameters for dynamic filtering
-
Visualization Development
- Designed individual worksheets per task requirements
- Implemented color schemes for clarity
- Added interactive elements and tooltips
-
Dashboard Assembly
- Combined related visualizations
- Established dashboard actions and filters
- Ensured responsive design principles
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Story Creation
- Sequenced dashboards for logical flow
- Added explanatory captions
- Developed stakeholder narrative
- Primary: Blues for consistency across dashboards
- Highlighting: Warm colors for important metrics
- Regional Differentiation: Distinct colors for easy comparison
- Headers: Clear, bold fonts for titles
- Labels: Readable sans-serif for data points
- Consistency: Uniform font families across all views
- Grouping: Related visualizations placed together
- Flow: Left-to-right, top-to-bottom information hierarchy
- White Space: Ample spacing for visual comfort
- Tableau Public Gallery
- World Happiness Report Official Site
- Kaggle Dataset
- Tableau Learning Resources
- IBM for the Tableau course curriculum
- World Happiness Report team for the comprehensive data
- Kaggle community for data accessibility
- Tableau for powerful visualization tools
This project uses data under the CC0: Public Domain license. The Tableau workbook and visualizations are shared for educational and portfolio purposes.
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Project Completed: Jan 27, 2025 Last Updated: Jan 28, 2025