Yearbook of International Religious Demography
2015 (Brill, 2015)
Co-edited by Brian Grim (Religious Freedom and Business Foundation), Todd Johnson (Center for the Study of Global Christianity), Vegard Skirbekk (International Institute for Applied Systems Analysis), and Gina Zurlo (Center for the Study of Global Christianity & Boston University), the Yearbook of International Demography provides an annual snapshot of the state of religious statistics around the world. Visit the Brill page for details, including a table of contents.
Some key findings:
- Looking forward to 2050, the world's unaffiliated (atheist, agnostic, and "nothing in particular") are projected to decline, from 16.5% in 2010 to 13.2% in 2050.
- Inter-religious relationships rose in Vienna, Austria (1971-2001) for both Catholic and Protestant men and women; however, over the same period inter-religious relationships declined for Muslim men and women.
- Christians in the Middle East were 13.6% of the population in 1910 but only 4.2% by 2010; by 2025 they will likely constitute 3.6%.
- Singapore is the most religiously diverse country in the world, with the closest of equal shares of eight major religions.
Co-authored by Todd Johnson and Brian Grim (Pew Research Center Religion & Public Life Project), this unique introduction to international religious demography outlines the challenges in interpreting data on religious adherence, and presents a contemporary portrait of global religious belief. Visit the Wiley-Blackwell site for more information, including samples from the text.
- Offers the first comprehensive overview of the field of international religious demography; detailing what we know about religious adherents around the world, and how we know it
- Examines religious freedom and diversity, including agnostics and atheists, on a global scale, highlighting trends over the past 100 years and projecting estimates for the year 2050
- Outlines the issues and challenges related to definitions, taxonomies, sources, analyses, and other techniques in interpreting data on religious adherence
- Considers data from religious communities, censuses, surveys, and scholarly research, along with several in-depth case studies on the global Muslim population, religion in China, and the religious demography of recently created Sudan and South Sudan
- Argues against the belief that the twentieth-century was a "secular" period by putting forward new evidence to the contrary
- Provides resources for measuring both qualitatively and quantitatively important data on the world's religious situation in the twenty-first century
Designed for both the casual user and research scholar, the World Christian Database (WCD) is an online database containing comprehensive demographic statistics on global Christianity. Over 400 categories of information including religious adherents, Christian traditions and missions trends are available at the province, country, people group, language and city levels for the entire world. The full-time staff at The Center for the Study of Global Christianity is dedicated to updating and maintaining the WCD. New information from thousands of sources is reviewed on a weekly basis to continually refine and improve the WCD.
Click below for documents describing World Christian Database Sources and Methodology:
World Religion Database (Brill, 2008)
The World Religion Database (WRD), edited by Todd Johnson and Brian Grim, contains detailed statistics on religious affiliation for every country in the world. It is the major source to render a definitive picture of international religious demography. The WRD provides both current and historical data, as well as sophisticated forecasts of future developments. For each of the world’s religions, best estimates at multiple dates for the period 1900 to 2050 are given. The WRD also offers access to the sources which underlie the figures in the database, such as censuses and surveys. Through an interactive feedback mechanism users can leave comments on sources or methodology related to any figure reported in the WRD. The WRD is constantly updated with new sets of data as they become available, such as estimates of religious affiliation at the province level and religious freedom information for all countries in the world. No other database available today is as comprehensive. Click here for more information, or to access the World Religion Database.
- Global comparative figures for every major religion
- Population and religious adherents for every country and United Nations region
- Access to source material on religious affiliation (census and survey figures)
- Breakdown of major religions into traditions (e.g., Sunni-Shi’as within Islam)
- Multiple data points to compare growth rates (1900, 1950, 1970, 2000, 2005, 2025, 2050)
- Feedback mechanism for users to comment on data, sources and methodology
- Updated quarterly
Atlas of Global Christianity (Edinburgh University Press, 2009)
The Atlas of Global Christianity is a thorough visual reference of the changing status of global Christianity over the 100 years since the epoch-making ‘Edinburgh 1910’ World Missionary Conference. It is the first scholarly atlas to depict the twentieth-century shift of Christianity to the Global South. It is also the first to map Christian affiliation at the provincial level.
First published in 1982, the World Christian Encyclopedia (WCE) immediately took its place as the authoritative, standard work in its field. The second edition’s oversized 1,700 pages represent the most extensive survey of Christianity, and of religion in general, ever attempted. The heart of the WCE is a series of 238 chapters on the status of religion and of Christianity in every country in the world. Statistical tables show, in great detail, the religious breakdown of the population and the Christian denominations of every country. The second edition updated and extended this analysis to include the status of Christianity in every language, people, city and province of the world.
A 952-page companion volume to the World Christian Encyclopedia, World Christian Trends (WCT) includes a first-ever empirical survey of Christian martyrdom, historical trends, future projections and finance. Included in this volume are a variety of charts, tables, and lists.
Click here to read an excerpt from World Christian Trends by Dr. David B. Barrett and Dr. Todd M. Johnson describing martyrdom through the Christian age. This chapter was cited in the January 2011 issue of theInternational Bulletin of Missionary Research.
Johnson, Todd, M., Gina A. Zurlo, Albert W. Hickman, and Peter F. Crossing. "Christianity 2015: Religious Diversity and Personal Contact." International Bulletin of Missionary Research 39, no. 1 (January 2015): 28-29. (Footnotes) (additional methodological article)
Johnson, Todd M., and Gina A. Zurlo. "Ongoing Exodus: Tracking the Emigration of Christians from the Middle East." Harvard Journal of Middle Eastern Politics and Policy III (2013-2014): 39-49.
Johnson, Todd M., and Gina A. Zurlo. "Christian Martyrdom as a Pervasive Phenomenon." Society. Published online 16 September 2014.
Johnson, Todd M., and Gina A. Zurlo. "The Holy Spirit and Global Christianity." In Holy Spirit: Unfinished Agenda, Johnson T.K. Lim, ed. (Armour Publishing, 2014).
Johnson, Todd M., and Gina A. Zurlo. "Global Christianity and Global Diasporas." In Global Diasporas and Mission, edited by Chandler H. Im and Among Yong. Oxford: Wipf & Stock, 2014.
Johnson, Todd M. "The Impact of Ralph Winter's Thinking on Missiological Research in India." India Church Growth Quarterly (March 2014).
Johnson, Todd M. "The Demographics of Religious Conversion." In Oxford Handbook of Religious Conversion, edited by Lewis Rambo and Charles Farhadian, 48-64. Oxford: Oxford University Press, 2014.
Johnson, Todd M. "Counting Pentecostals Worldwide." Pneuma 36 (2014): 265-88.
Hickman, Albert W. "Global Survey of Theological Education." New Urban World Journal 3:1 (May 2014): 45-56.
Johnson, Todd M., and Peter F. Crossing. "Christianity 2014: Independent Christianity and Slum Dwellers." International Bulletin of Missionary Research 38, no. 1 (January 2014): 28-29.
Bellofatto, Gina A., and Todd M. Johnson. "Highlights of Christianity in its Global Context, 1970-2020: Society, Religion, and Mission." Lausanne Global Analysis (June 2013).
Hickman, Bert. "Urban Asian Christianity by the Numbers." The New Urban World Journal 2:2 (November 2013): 88-91.
Johnson, Todd and Brian Grim. The World’s Religions in Figures: An Introduction to International Religious Demography. Oxford: Wiley-Blackwell, 2013.
Bellofatto, Gina A. "Religious Belief in the Year 2100." The Futurist 46:5 (September-October 2012).
Hickman, Bert. "The Urban World by the Numbers." The New Urban World Journal 1:1 (November 2012): 70-2.
Johnson, Todd, Rodney L. Petersen, Gina A. Bellofatto and Travis L. Myers, ed. 2010Boston: The Changing Contours of World Mission and Christianity. Eugene, OR: Pickwick Publications, 2012.
Johnson, Todd. "Seven Signposts of Hope and Challenge in Global Christianity." Connections 5:1 (April 2007): 22–25.
Johnson, Todd. "My Journey into the Future: A Personal Essay." Foresight 2005 Conference, School of Leadership Studies, Regent University.
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