First place: Qatar Qatar is a country that is difficult to find on the world map.

In the early 20th century, most European travelers were skeptical about the existence of this tiny peninsula country.

But today the International Monetary Fund considers it the richest country in the world.

Its per capita GDP is US$91,379.

According to the International Monetary Fund's forecast, its per capita GDP reached US$111,963 in 2016.

Qatar has a population of 1.69 million people.

The main industry is the extraction and purification of oil.

Qatar became the 121st member of the General Agreement on Tariffs and Trade in 1994 and a member of the World Trade Organization in 1995.

According to the "2011-2012 Global Competitiveness Report" released by the World Economic Forum (WEF), Qatar's global competitiveness ranks first among Arab countries and Middle Eastern countries.

In 2012, Qatar ranked first in the list of the world's richest countries and regions published by the American "Forbes" magazine.

Second place: Luxembourg Luxembourg is a respected member of the European Union and a model of international financial management, with a level of welfare that is the envy of many big countries.

In the city-country of Luxembourg there are many organizations of the European Union.

There are more than 1,000 investment funds and more than 200 banks in its capital, more than any other city in the world.

Luxembourg's per capita GDP is US$895.62 million and its population is 500,000.

The largest economic sectors are banking, financial services, and steel.

Luxembourg is a highly developed capitalist country and one of the founding members of the European Union and NATO. It is also a highly developed industrial country. It is also the most important private banking center in the Eurozone and the second largest investment trust center in the world after the United States.

Finance, radio and television, and steel are its three major economic pillar industries. The country's unemployment rate is extremely low and the average life expectancy is 80 years old.

Third place: United Arab Emirates This is the country of the Arab sheikhs, with skyscrapers and some of the best hotels in the world.

The population is 8.26 million, and the per capita GDP is US$57,744.

The main economies are oil, aluminum and cement.

This must be familiar to everyone. Dubai is the best synonym for it. Before oil was discovered here in 1960, the economic pillar of the UAE was pearls. After 1960, it changed to oil.

The emirate of Abu Dhabi accounts for more than 90% of the entire UAE's oil reserves, while Dubai's oil reserves are quite small.

Therefore, Abu Dhabi can be regarded as a real oil country.

And Dubai's prosperity is not because of oil.

Because Dubai firmly believes that "being second will starve to death," its total GDP has grown by 230% in the past 10 years, of which oil revenue only accounts for 6%.

Its development and construction are all-round and diversified.

The canal was opened in the 1970s, trade was launched in the 1980s, and tourism was promoted in the 1990s.

In 1995, the United Arab Emirates joined the World Trade Organization.

The United Emirates has trade relations with 179 countries and regions.

Foreign trade occupies an important position in the economy.

The United Emirates mainly exports oil, natural gas, petrochemical products, aluminum ingots and a small amount of native products; it mainly imports food, machinery and consumer goods.

Fourth place: Norway Norway is considered the country with the highest standard of living and the safest, with a population of 4.97 million and a per capita GDP of US$56,920.

The main state-owned economic sector is the extraction and processing of oil and gas.

Norway is a developed industrialized country. The oil industry is an important pillar of the national economy. Norway is also the largest oil producer in Western Europe and the third largest oil exporter in the world.

Since 2001, Norway has been rated as the most livable country by the United Nations for six consecutive years, and it has been ranked first in the global Human Development Index from 2009 to 2013.

Norway is a highly developed capitalist country and a member of NATO. Its economy is an example of the successful combination of market liberalization and government macro-control.

Norway was also one of the pioneers in creating the modern welfare state.

In addition, papermaking, shipbuilding, machinery, hydropower, chemical industry, and wood processing are also Norway's traditional developed industries.

Fifth place: Singapore Singapore is the Pearl of Southeast Asia, with 21st century architecture, ultra-modern business and entertainment centers.

With the traditions and culture of Malaysia, India, China and European countries.

It has a population of 5.07 million and a per capita GDP of US$56,797. Its main industrial sectors are the chemical industry and electronics industry.

Singapore is a developed country in Asia and is known as one of the "Four Asian Tigers". Its economic model is called "state capitalism."

According to the 2014 Global Financial Center Index (GFCI) ranking report, Singapore is the fourth largest international financial center after New York, London, and Hong Kong, and is also one of the important service and shipping centers in Asia.

Singapore is a member of the Association of Southeast Asian Nations (ASEAN) and a member economy of the World Trade Organization (WTO), the Commonwealth and the Asia-Pacific Economic Cooperation (APEC).

Sixth place: United States Although the U.S. economy has been hit by the world financial crisis, it still occupies a strong position in the international market.

The per capita GDP is US$47,084.

Its pillar industries are petroleum, steel and automobile manufacturing.

The U.S. economy is currently very stable and has basically achieved full employment. The overall unemployment rate remains at 5%, and the unemployment rate for college graduates is as low as 2.5%.