Some select World Economies . .
http://www.investopedia.com/insights/worlds-top-economies/
1. United States
....Nominal GDP: $19.39 trillion
....GDP (PPP): $19.39 trillion
The U.S. has retained its position of being the world’s largest economy since 1871. The size of the U.S. economy was at $19.39 trillion in 2017 in nominal terms and is expected to reach $20.41 trillion in 2018.
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2. China
.....Nominal GDP: $12.01 trillion
.....GDP (PPP): $23.15 trillion
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3. Japan
.....Nominal GDP: $4.87 trillion
.....GDP (PPP): $5.42 trillion
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12. Russia
....Nominal GDP: $1.52 trillion
....GDP (PPP): $4.01 trillion
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20. Switzerland
.....Nominal GDP: $678.57 billion
.....GDP (PPP): $517.17 billion
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The complete listings are at the link. Including comments about
the countries.
Zim.

Mad Poet Strikes Again.