short readsApr 5, 2017 Christians remain world’s largest religious group, but they are declining in Europe Though Christians make up nearly a third of Earth’s 7.3 billion people, the number of Christians in Europe is in decline.
reportFeb 16, 2011 How many Christians are there in Egypt? Senior research staff answer questions from readers relating to all the areas covered by our seven projects, ranging from polling techniques and findings, to media, technology, religious, demographic and global attitudes trends.