I believe it's a relativity new slogan.

Perhaps hoping nobody but globalists and Deep State bigwigs would notice the obvious connection, the former vice-president’s campaign for president has been touting its “Build Back Better” scheme all over its website and beyond for weeks. However, there was no mention of the UN’s own “Build Back Better” scheme upon which it seems to be based — and that is not surprising, since American voters would likely be horrified. British Prime Minister Boris Johnson is using the same phrase, too, as are authorities in Canada and multiple other nations.

The New American