It's sort of a broad category, honestly. As Wikipedia puts it:
New Age is a range of spiritual or religious practices and beliefs which rapidly grew in the Western world during the 1970s. Precise scholarly definitions of the New Age differ in their emphasis, largely as a result of its highly eclectic structure.
It's basically woo, and sometimes it's harmless, but sometimes it's tied to fascist occultism (see @TheLepidopterists further up this thread). Unsurprisingly, in cases when it's white Americans doing it, it can tend to have some pretty serious reactionary currents.
It's sort of a broad category, honestly. As Wikipedia puts it:
It's basically woo, and sometimes it's harmless, but sometimes it's tied to fascist occultism (see @TheLepidopterists further up this thread). Unsurprisingly, in cases when it's white Americans doing it, it can tend to have some pretty serious reactionary currents.