Data Quality Ratings are derived from scores in five areas: Base year recency; System of National Accounts framework version; Informal economy size; Statistical resources available; and likelihood of Government interference. Scores are based on a 0-100 scale. Read more...
GDP Size data is shown in Purchasing Power Parity terms with added estimates for the size of the informal economy and adjustments for out-of-date GDP base year data. Read more...
Compound Annual Growth Rates (CAGR) are derived from GDP Data in Purchasing Power Parity terms with added estimates for the size of the informal economy and adjustments for out-of-date GDP base year data.
Wealth is notoriously difficult to measure. The table below shows two measures: Income per Capita (proxied by GDP per capita) and Asset Wealth per Capita (proxied by data derived from the Credit Suisse Wealth Report). Population data is sourced from the United Nations Population Prospects database.
The Inequality Index shown below is derived from the Gini Inequality Coefficient. Gini Country data varies considerably by date. These variations are recorded in the World Economics database.
The World Economics Inequality Index ranks each country onto a scale of 0-100, a high value indicates a more egalitarian society - and a low value suggests a lot of the national income is in the hands of very few depending upon the unit of measurement. Read more...
The debt-to-GDP ratio is the ratio between a country's offical government debt and its gross domestic product (GDP), the later measured in Purchasing Power Parity terms with added estimates for out-of-date adjustments for out-of-date GDP base years and the size of informal economic activity.