Updates

Demographic estimates of Christianity in Mongolia, India, and South Korea were strengthend in November 2018 when World Religion Database editor Todd Johnson, took a three-week trip to India, Mongolia, and South Korea to meet with scholars and church and mission leaders. Valuable feedback from the presentation of research results was received providing a further level of field verification.

Xiongan, Chiang Rai, Wollongong, and Myrtle Beach are some of the 195 cities in 49 countries are included for the first time in the 2018 edition of the United Nations listing of cities with over 300,000 people.

They represent a combination of smaller cities growing to over 300,000 for the first time, or the boundaries of cities changing (some merging and some splitting).

As cities grow to over 1 million in population WRD will add a percentage for the largest religion and a listing of other religions in the city numbering over 1 percent.

City definitions and population source: United Nations, Department of Economic and Social Affairs, Population Division (2018). World Urbanization Prospects: The 2018 Revision.