World Atlas TopoJSON
Pre-built TopoJSON files of world country and land boundaries from Natural Earth data.
What is World Atlas TopoJSON?
World Atlas TopoJSON is a collection of pre-built TopoJSON files containing world country and land boundaries derived from Natural Earth's vector data. It provides multiple scale options (110m, 50m, 10m) of geographic data that's ready to use in mapping applications. The project solves the problem of needing to manually process and convert raw geographic data into usable formats for web mapping.
Developers and data visualization specialists building web-based maps using libraries like D3.js who need ready-to-use geographic boundary data. It's particularly useful for those creating choropleth maps, world visualizations, or any application requiring country-level geographic data.
Developers choose World Atlas TopoJSON because it provides clean, well-structured geographic data that's immediately usable without the complexity of processing raw Natural Earth files. The TopoJSON format reduces file sizes and includes topology, making it more efficient than standard GeoJSON for web applications.
Overview
Pre-built TopoJSON from Natural Earth.
Use Cases
Best For
- Creating interactive world maps with D3.js or similar libraries
- Building choropleth maps showing data by country
- Visualizing global datasets with country-level granularity
- Prototyping geographic applications without processing raw GIS data
- Educational projects requiring world boundary data
- Data journalism projects with international focus
Not Ideal For
- Applications requiring sub-national boundaries like states, cities, or detailed administrative regions
- Projects needing real-time or frequently updated geographic data due to geopolitical changes
- Environments using mapping libraries that don't support TopoJSON and require GeoJSON or vector tiles natively
- High-precision mapping such as navigation systems, where 1:10m scale might lack sufficient detail
Pros & Cons
Pros
Offers three scales (1:110m, 1:50m, 1:10m) for different detail levels, allowing developers to balance performance and accuracy based on use case, as detailed in the README file references.
Data is provided in TopoJSON, which encodes topology and reduces file size compared to GeoJSON, making it ideal for web applications with bandwidth constraints, as highlighted in the key features.
Derived from Natural Earth's vector data and pre-processed into clean, structured files, saving developers from manual data conversion and topology handling, per the project philosophy.
Land geometry is computed by merging country boundaries, ensuring a consistent topology without gaps or overlaps, as explained in the file references for countries-*.json files.
Cons
Only includes country and land boundaries; lacks other features like rivers, lakes, or cities, which may require supplementary data sources for comprehensive maps.
Based on Natural Earth version 4.1.0, so it may not reflect recent geopolitical changes or updates, potentially leading to inaccuracies in current event visualizations.
While usable elsewhere, the examples and format are heavily tailored for D3.js, and integration with non-D3 mapping libraries might require additional conversion steps or compatibility checks.
Frequently Asked Questions
Found a gem we're missing?
Open-Awesome is built by the community, for the community. Submit a project, suggest an awesome list, or help improve the catalog on GitHub.