State and religion: a tale of waning influence and modern resurgence | Tom Rees
Religious observance by age and country | Pew Research Center
The Changing Global Religious Landscape | Pew Research Center
Religion in the UK: 1983-2014 – Faith Survey
Religion is an important predictor of party choice in UK general elections | British Politics and Policy at LSE
In U.S., Decline of Christianity Continues at Rapid Pace | Pew Research Center
This Christmas, 78% of Americans Identify as Christian
Non-believers outnumber the faithful by widest margin yet
See How Americans' Belief in God Has Changed Over 70 Years | Time
Americans lose their taste for going to church
The fastest growing religion in the world is ... | CNN
This Christmas, 78% of Americans Identify as Christian
Graphs: 5 signs of the 'Great Decline' of religion in America
No, the Internet Is Not Killing Religion in America - Pacific Standard
Exploring Religious Data in the British Social Attitudes 2014 Survey
Christianity Remains Dominant Religion in the United States
U.S. Church Membership Falls Below Majority for First Time
The U.S. Is Retreating from Religion - Scientific American Blog Network
Will all religions combine in the future? - Quora
Religious affiliation of Australians - NCLS Research
Chart: The World's Largest Religious Groups Over Time | Statista
