Check out:
CIA – The World Factbook — Rank Order – GDP – per capita reveals a ranking of 231 territories/countries and their rank order in terms of GDP per capita.

Luxemberg is first with $44,000 … followed by the U.S., Bermuda, Cayman Islands, San Marino (a random country of 28 thousand located within the borders of Italy), Norway, Switzerland, Ireland, Canada, and Belgium.

The lowest GDP is East Timor (with $500) … followed by Somalia, Sierra Leone, Gaza Strip, Mayotte (near Madagascar and run by France), Burundi, Congo, Tanzania, and Malawi.