Operation World. A guide to praying for every country of the world, with facts and data about each nation and its peoples.
Joshua Project. Lists and profiles of the people groups of the world that have the least Christian presence in their midst and resources to encourage pioneer church-planting movements among every ethnic people group.
Peoplegroups.org. Search for information about thousands of people groups by name, country, religion, language or status of evangelization.
UPG North America. Search for information about hundreds of people groups in the United States by name, location, population, etc.
Global Prayer Digest. A daily prayer guide for unreached people groups around the world, available by email or print as well as on the web.
World Christian Database. Provides comprehensive statistical information on world religions, Christian denominations, and people groups.
Prayer Cast. Access hundreds of prayer videos for people groups, countries and specific themes all designed to activate world-changing prayer.