That's a bit rich

According to World's Richest Countries, these were the richest countries as of October 2015, by 2015 GDP

1. China US$19.510 trillion
2. United States $17.968 trillion
3. India $8.027 trillion
4. Japan $4.842 trillion
5. Germany $3.842 trillion
6. Russia $3.474 trillion
7. Brazil $3.208 trillion
8. Indonesia $2.839 trillion
9. United Kingdom $2.660 trillion
10. France $2.647 trillion

and these (stopping off at Top Ten unlike our source) are the richest countries by 2015 GDP Per Capita

1. Qatar US$133,040
2. Luxembourg $100,779
3. Singapore $84,901
4. Brunei Darussalam $78,476
5. Kuwait $70,259
6. Norway $67,671
7. United Arab Emirates $66,997
8. San Marino $62,120
9. Switzerland $58,598
10. Hong Kong $56,689