The US has the second largest economy in the world, as the European Union has the largest economy, although not a nation. Out of countries, China has the second largest economy.
The US is the largest importer China is the largest exporter then Germany then the US
The world's richest country is the United States while the poorest is Tuvalu is the poorest.
Kuwait
America and it migth be china because of the population
Billionaires (see related link).
From 41 billionaires in 1987 to 425 billionaires in 2012, In 2004 there was 274 billionaires in the United States to find out the worlds total you would have to check each country for the year stated.
Russia is the largest country.
I think the worlds largest country is Russia, the worlds largest continent is either Africa or China,im not entirly sure.
the world largest country is rssia
Russia
Russia
billionaires http://news.bbc.co.uk/1/hi/business/3710977.stm http://cafearjun.com/2008/11/05/moscow-has-the-worlds-greatest-number-of-billionaires-what/
Since they are billionaires it would not surprise me. Also, since they are billionaires and run the worlds largest search engine they probably made it impossible to find out for sure.
India
Chile
canada