Comprehensive human development index countries with extremely high human development index of the United Nations Development Programme; WB HIE World Bank high-income economy; IMF AE international monetary fund developed economies; CIA AE CIA "world surveys" developed economies. According to these standards, there are 3 1 developed countries in the world, namely:

Europe: Britain, Ireland, France, Netherlands, Belgium, Luxembourg, Germany, Austria, Switzerland, Norway, Iceland, Denmark, Sweden, Finland, Italy, Spain, Portugal, Greece, Slovenia, Czech Republic, Slovakia, Malta and Cyprus.

North America: USA, Canada.

Oceania: Australia, New Zealand.

Asia: Japan, Korea, Singapore, Israel.

(The above content is quoted from Baidu Encyclopedia)