Question: what countries are most developed?
Answer: Norway. According to the UN Development Report, Norway is the most developed nation in the world. ... 
Switzerland. The second most-developed country in the world is Switzerland with an HDI of . ... 
Ireland. With an HDI of 0.942, Ireland is the third-most developed country. ... 
Germany. ... 
Hong Kong, China. ... 
Australia. ... 
Iceland. ... 
Sweden.