If present trends continue, Johnson projects that by 2100 two-thirds of the world’s population would be either Christian or Muslim.<ref>[http://archived.oikoumene.org/en/news/news-management/eng/a429a.html?tx_ttnews%5Btt_news%5D=16849&tx_ttnews%5BbackPid%5D=1634&cHash=be444ec024f26a3b16b9309239c054e2 Global data upend usual picture of Christianity trends], World Council of Churches</ref> | If present trends continue, Johnson projects that by 2100 two-thirds of the world’s population would be either Christian or Muslim.<ref>[http://archived.oikoumene.org/en/news/news-management/eng/a429a.html?tx_ttnews%5Btt_news%5D=16849&tx_ttnews%5BbackPid%5D=1634&cHash=be444ec024f26a3b16b9309239c054e2 Global data upend usual picture of Christianity trends], World Council of Churches</ref> |