United States of America
The United States is known for having the largest economy in the entire world. When it comes to development, the US is number one. The country is currently the eight richest, though, with a per capita income of 57,000 USD.
United Arab Emirates
The United Arab Emirates has managed to grasp the seventh spot in the richest countries of the world due to their revenue from the oil industry. Tourism has also brought in millions for the country. They have a per capita income of 68,000 USD.