United States has the fastest computer in the world. Titan, a Cray XK7 system installed at Oak Ridge, achieved 17.59 Petaflop/s (quadrillions of calculations per second) on the Linpack benchmark. Titan has 560,640 processors, including 261,632 NVIDIA K20x accelerator cores.
US States Renked by Population Size, Historical Data on US Population by State 1900-2012, Population of California, Texas, New York, Florida, Illinois, Pennsylvania, Ohio, Michigan, Georgia, North Carolina US populatiom Map
SummarySingapore continued to be No.1 in the list. In fact, there is no change in top 5 countries between 2012 & 2013.Kosovo & Poland are shown significant improvement in the ranking compared 2012.In bottom 10 list (tough to do business), Venezuela is present along with other african countries. Yemen, Maldives & Argentina losed much in comparing with 2012.Around 20+ countries are not having any difference in ease of doing business between 2012 & 2013 including China & India. Note: For detailed ranking under various indicators, select your country in the world map. Source: Doing Business, published by World Bank
Historical Statistics 1950-2012, Population by Country, Life Expectancy, Fertility, Mortality, Median Age, Population Density, Sex Ratio, Migration