World Map

🌍 Social Score (composite)

Average of three normalized metrics: HDI (0–1), World Happiness Score (÷10), and Healthcare tier (÷3). Higher is better. Used to color every country on the map. Countries with missing data in some metrics are averaged from available ones.

High — strong social outcomesMid — partial coverageLow — limited public welfare

Gini Coefficient

Economic inequality (0 = perfect equality, 100 = extreme inequality). Measures how evenly income or wealth is distributed.

≤30 low inequality31–70>70 extreme

Source: World Bank (most recent year available)

🏥 Healthcare System

Classifies the type of public health coverage citizens receive.

NHS / Single-payer — tax-funded, free at point of use Partial / Mixed — universal goal, access gaps Limited / Private — safety-net only or out-of-pocket

Source: WHO UHC data + national health system classifications

Government Spending (% GDP)

Total general government expenditure as a share of GDP. Larger values indicate a bigger public sector.

>45%28–45%<28%

Source: World Bank (GC.XPN.TOTL.GD.ZS)

Tax Revenue (% GDP)

Total tax revenue collected by government as a share of GDP. Indicates the state's capacity to fund public services.

>35%20–35%<20%

Source: World Bank (GC.TAX.TOTL.GD.ZS)

Education Spending (% GDP)

Government expenditure on education as a share of GDP. A key indicator of public investment in human capital.

>6%4–6%<4%

Source: World Bank (SE.XPD.TOTL.GD.ZS)

HDI — Human Development Index

UNDP composite index combining life expectancy, education (mean and expected years of schooling), and income per capita. Scale 0–1.

>0.85 very high0.70–0.85 high<0.70 medium/low

Source: UNDP Human Development Report 2023/24

World Happiness Score

Annual Gallup survey (Cantril Ladder). Respondents rate their lives on a scale from 0 (worst possible life) to 10 (best possible life). Strongly correlated with social trust, freedom, and low corruption — not just wealth.

>6.55.0–6.5<5.0

Source: World Happiness Report 2024

Metrics Explained