COUNTRIES AND PEOPLE GROUPS:
The CIA World Factbook on the CIA website provides information on 267 countries and territories including their history, geography, people, society, government, economy, communications, and military. This is a good place to start for a very basic overview of a country.
Intended as a resource for expats, Just Landed provides information on all aspects of life in a selection of countries. This includes information on the requirements for visas and citizenship, jobs, housing (both rentals and purchases), the health system, banking, language, telephone and internet, education, starting your own company, travel tips, culture, and moving companies.
Operation World provides information for prayer points for each country in the world. Not as extensive as the book, CD-ROM, or DVD-ROM by the same name, the website gives a basic overview with challenges for prayer.
A ministry of Frontier Ventures, the Joshua Project provides statistical information on people groups and their level of evangelization. The website includes maps and resources that can be used for presentations or handouts.
A ministry of the International Mission Board, the People Groups website gives information on nearly 12,000 people groups - their population, location, language, and progress in the Gospel.
The British Broadcasting Corporation website provides country profiles, with information on history, politics, and economy, on every country of the world, organized by region, as well as territories and international institutions like the Arab League and the European Union.
The Global Prayer Guide, by Voice of the Martyrs, is a free guide with summaries of information on restricted nations and hostile areas where Christians are persecuted. This information can also be accessed directly on their website.
Prayercast, a ministry of OneWay, produces videos, each around 3 minutes in length and available to download for free, with prayers for various nations. Their website also contains additional prayer points and background information.
Every Culture provides information on the history, society, politics, arts and more of countries and people groups.
Culture Crossing is an open-sourced guide to every country with information about communication, dress, customs and taboos.
With a focus on providing training for international businesses, Commisceo Global offers information on culture and etiquette in over 80 countries.
Hofstede Insights provides information about where each country falls in its attitudes toward power distance, individualism, masculinity, uncertainty avoidance, long term orientation and indulgence.