DATA & LICENSE

Data sources and terms

We publish sources, licenses and limitations so that the numbers and colors can be interpreted responsibly. This page explains our data practices and is not legal advice.

World rankings

Source
World Bank World Development Indicators and cited original providers
Terms
World Bank data is used with attribution under CC BY 4.0. Additional terms from original providers may apply to individual indicators.
How to read it
The latest available non-empty observation is used for each country, so years may differ within one ranking.

Religion map

Source
CIA World Factbook 2025 Archive / factbook.json
Terms
CIA information is generally public domain unless separately copyrighted. The downloaded snapshot is CC0 1.0.
How to read it
Survey years, questions and categories differ by country. Published figures are grouped into eight common categories.

Sports-facility map

Source
OpenStreetMap contributors / QLever OSM Planet
Terms
Open Database License (ODbL) 1.0.
How to read it
This map counts tagged facilities. It does not measure popularity or participation and is affected by mapping density.

Food, agriculture and staple-food data

Source
FAOSTAT, WHO, UN, ILO/PWT, Global Carbon Project and Our World in Data
Terms
Source-specific licenses apply; FAOSTAT statistics follow CC BY 4.0 and its database terms.
How to read it
Food supply is not the same as actual consumption. Definitions, years and country coverage differ by dataset.

Heritage, currencies, driving side and name origins

Source
UNESCO DataHub, ISO 4217 / SIX Group and Wikidata
Terms
UNESCO World Heritage data is CC BY-SA 4.0. Wikidata structured data is CC0 1.0. ISO 4217 codes are shown with attribution.
How to read it
The maps are comparative summaries and do not establish legal status, value or a single definitive etymology.

Other thematic maps

Source
Our World in Data / Ember, CEPII BACI / OEC and Unicode CLDR
Terms
The terms of each provider apply. Direct source links are shown on each map.
How to read it
Years, definitions and missing coverage vary. A country’s displayed category is a representative summary.

Google Analytics 4

Purpose
We use aggregated page and navigation data to improve content and usability.
Recipient
Page URLs, device information and usage data may be sent to Google LLC.
Handling
Google tags may use cookies or similar technologies. Analytics is disabled on the protected preview site.