Is there ever going to be a major new religion?

Depending on whether you view Mormonism as a part of Christianity, the last major new religion is either Mormonism or Islam. There have been other new religions, such as Scientology, but none has a truly substantial number of followers, where by substantial number I mean greater than about .1% of the world’s population.

I don’t think it is going to happen. Religion is dying a slow death and I think that the ambient spiritual energy is no longer strong enough to overcome the skepticism that any cult following would have to overcome in order to become a worldwide force.