10. Hong Kong
Hong Kong has a free market economy, highly dependent on international trade and finance – the value of goods and services trade, including the sizable share of reexports, is about four times GDP.
The economy of the United Arab Emirates is the second largest in the Middle East, with a gross domestic product of $403.2 billion in 2014. The Emirates have been successfully diversifying their economy. Although the UAE has the most diversified economy in the GCC, its economy remains extremely reliant on petroleum.
Kuwait is a small, petroleum-based economy. The Kuwaiti dinar is the highest-valued unit of currency in the world. Non-petroleum industries include financial services
The economy of Norway is a developed mixed economy with state-ownership in strategic areas. Although sensitive to global business cycles, the economy of Norway has shown robust growth since the start of the industrial era
The economy of the Republic of Ireland is a knowledge economy, focused on services into high-tech, life sciences and financial services industries. Ireland is an open economy, and ranks first for high-value foreign direct investment flows.
5. Brunei Darussalam
The tiny state of Brunei has one of the world’s highest standards of living thanks to its beautiful oil and gas reserves. Its ruling royals, led by the head of state Sultan Hassanal Bolkiah, possess a huge private fortune and its largely ethnic-Malay population enjoy generous state handouts and pay no taxes
The economy of Singapore is a highly developed free-market economy. Singapore’s economy has been ranked as the most open in the world
The economy of Luxembourg is largely dependent on the banking, steel, and industrial sectors
The economy of Macau has remained one of the most open in the world since its handover to China in 1999. Apparel exports and gambling-related tourism are mainstays of the economy.
The GDP is high because of oil revenues. And, if I were to use the GDP as an indicator of how well a country will do in the future, in Qatar what will matter is how well they actually invest it.”