North America and China.
Sorry but this is wrong
According to the The United Nation Statistics Bureau in 2009 - 2010 the most economically developed countries using the Human Development index was:
1 Norway
4 USA
5 Ireland
7 Holland
8 Canada
9 Sweden
10 Germany
China was not in the top fifty countries.
According to the International Labour Organization (ILO), Luxembourg currently has the highest productivity levels in the world, as measured by GDP per hour worked. This is due to factors like a highly skilled workforce, strong infrastructure, and efficient business environment.
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diatoms
The Po Valley, located in northern Italy, is the most productive agricultural region in the country. Known for its fertile soil and favorable climate, the Po Valley produces a variety of crops including rice, wheat, corn, and fruit. The region also supports thriving dairy and livestock industries.
With today's technology, there are many virtual worlds that exists. The most famous virtual worlds include World of Warcraft, Sim City, and Second Life.
Zambia is home to the Kagem emerald mine, one of the world's largest and most productive emerald mines. The mine is located in the Copperbelt region of Zambia and produces high-quality emeralds that are sought after on the global market. It has contributed significantly to Zambia's economy and the country's reputation as a major player in the emerald industry.
singapore
Yes, China is the worlds most populated country with a population of 1.3 billion.
the most corrupt country in the world is Pakistan.
No. The most productive is Costa Rica.
China
Australia
knobland
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israel is the most strongest country,then russia,then America
The Americans
China
america