Predicting the demise of religion is hardly a new phenomenon. Nero was the first one to have a go at stamping out Christianity in 64 A.D. He is dead. Christianity is still alive. The predictions often have more to do with the beliefs of those making them than with the facts
“It is reported that the study, by academics mathematically drawing a longish bow from census data from nine countries, including New Zealand, found the number of those claiming no religious affiliation to be rising. Therefore, religion is set for extinction.
Whether this is merely a journalistic misinterpretation of the data (quite likely), or the actual conclusion of the academics (unlikely), has been difficult to pinpoint.” says the Editorial in the Otago Daily Times
Source
Editorial Otago Daily Times