World's Richest Country is Qatar and the poorest countrry is Republic of Kongo as per Forbes Magazine.

Qatar has been named the world’s richest country,  as per the compilation done by the world’s famous Forbes Magazine. The population of this country is only 1.7 Nillion and this is the wealthiest country in the world as per per capita income. Adjusted for purchase power, Qatar booked an estimated gross domestic product per capita of more than USD 88,000 for 2010 compared with USD , 47,500 for the UAE which was placed sixth while Kuwait stood at 15^th in the list.

Quatar will host  Food ball world cup 2022 and 2020 Olympics

The other countries in the list of richest countries in the world.

1. Qatar.

2. Luxumburg              - Per capita Gdp on purchasing power- of more than

                                     USD 81,000.

3. Singapore.               -  USD 57,000.

4. Brune, 5. Norway, UAE, US, Hong Kong, Switzerland, Netherlands.

The poorest countries in the world is ranked as per below:

Republic of Congo -   USD 312

Liberia                 -   USD 386

Barundi               -   USD 400.