brandontravel/languages-by-country

Languages by Country Dataset

A structured dataset listing official and commonly spoken languages for countries worldwide.

This dataset is intended for use in travel applications, translation tools, AI assistants, and geographic or cultural data analysis. It provides a simple mapping between countries and the languages most relevant to travelers and developers building global applications.

Dataset Overview

The dataset contains country-level language information including:

• Country name.
• ISO 3166-1 alpha-2 country code.
• Official languages.
• Commonly spoken languages.

Languages are represented as lists in the JSONL format and as semicolon-separated values in the CSV file.

Files

• languages_by_country.csv — CSV version of the dataset
• languages_by_country.jsonl — JSON Lines version of the dataset

Schema

Field	Type	Description
country	string	Country name
iso2	string	ISO 3166-1 alpha-2 country code
official_languages	list[string] / string	Official languages of the country
common_languages	list[string] / string	Commonly spoken languages used by residents or travelers

Example (JSONL)

{
  "country": "Canada",
  "iso2": "CA",
  "official_languages": ["English", "French"],
  "common_languages": ["English", "French"]
}

Intended Uses

This dataset can be used for:

• Travel planning and travel assistant applications.
• Language detection or translation context.
• Geographic AI systems.
• Cultural and linguistic analysis.
• Dataset enrichment for travel and mobility platforms.

Limitations

• The dataset focuses on commonly referenced languages rather than exhaustive linguistic coverage.
• Some countries have many regional languages which are not fully represented in this initial version.

License

This dataset is released under the Creative Commons Zero (CC0) 1.0 Universal license.

You are free to use, modify, and distribute the dataset without restriction.

Maintainer

Created and maintained by Brandon Travel.

• https://www.brandontravel.com
• https://github.com/brandontravel