Here's the data: countries: http://en.wikipedia.org/wiki/List_of_countries_by_GDP_ http://en.wikipedia.org/wiki/List_of_countries_by_GDP_(nominal) us states:

Here's the data: countries: http://en.wikipedia.org/wiki/List_of_countries_by_GDP_ http://en.wikipedia.org/wiki/List_of_countries_by_GDP_(nominal) us states: http://en.wikipedia.org/wiki/List_of_U.S._states_by_GDP_ http://en.wikipedia.org/wiki/List_of_U.S._states_by_GDP_(nominal) It doesn't seem extremely inaccurate. I'd compare California with Italy, not France, and Texas with Brazil, not Canada. And Russia's economy is more New York than New Jersey.