How many Orthodox in the world?

[Mercurius1]

I’ve seen the numbers 250-300 million thrown about a lot, but, those numbers seem to have been around for a long time, has this number even changed any?

 

[AntoniousNikolas]

According to this site:

While the total Orthodox Christian population throughout the world has more than doubled over the past century, now standing at 260 million, with more than 100 million in Russia alone, it has decreased as a share of the overall Christian and global populations, due to far faster growth among Protestants and Catholics, and the non-Christian...Note that the Pew numbers do not distinguish between Eastern Orthodoxy and the non-Chalcedonian Oriental Orthodox Churches.

http://orthochristian.com/107960.html

 

[Hinterlander]

I’ve seen the numbers 250-300 million thrown about a lot, but, those numbers seem to have been around for a long time, has this number even changed any?

Consult Pew Research.

http://www.pewforum.org/2017/11/08/orthodox-christianity-in-the-21st-century/