factually
Index/Topics/GDP Calculation Methods

GDP Calculation Methods

Different methods for calculating GDP, including nominal and PPP

Fact-Checks

3 results
Jan 25, 2026

How would U.S. GDP rankings change under PPP rather than nominal dollars without California?

Removing from national accounts trims roughly one-seventh of U.S. output and lowers both the U.S. nominal and PPP GDP totals, but available public sources in this package do not provide state-level PP...

Jan 21, 2026

The United States has also included unpaid housework in GDP through estimation.

does not count unpaid household work in the official GDP totals, but economists and statisticians have long produced alternative estimates that value that work and have shown it would substantially ra...

Jan 10, 2026

Where does the US economy without California rank?

Removing California’s gross domestic product from the United States trims roughly $4.1 trillion from national output, leaving an American economy of about $25.08 trillion—based on BEA-derived totals r...