Newly released data series from the Bureau Economic Analysis have revealed a pretty eye-popping economic reality that’s been invisible in the national accounts…forever. Subtract households’ Personal Taxes and Personal Outlays from Personal Income to yield Personal Saving, and it turns out that the bulk of U.S. households don’t save.

How is this data different from other data on the same matter? It's not like nobody's known the personal savings rate in the US until today.