List down countries from richest to poorest in the world.

1. Qatar
2. Luxembourg
3. Singapore
4. Brunei
5. Ireland
6. Norway
7. United Arab Emirates
8. Kuwait
9. Switzerland
10. Hong Kong

...

188. Burundi
189. Liberia
190. Democratic Republic of the Congo
191. Niger
192. Central African Republic

Richest Countries:

1. Luxembourg
2. Switzerland
3. Norway
4. Qatar
5. Ireland
6. Iceland
7. Denmark
8. Singapore
9. Australia
10. Netherlands

Poorest Countries:

1. Burundi
2. South Sudan
3. Central African Republic
4. Democratic Republic of the Congo
5. Niger
6. Mozambique
7. Somalia
8. Ethiopia
9. Malawi
10. Chad