The overcrowding rate is defined as the percentage of the population living in an overcrowded household. A person is considered
Read MoreAn inaugural “quality of nationality index” (QNI) by Henley & Partners, a consultancy, attempts to do just that by looking
Read MoreNetwork analysis and visualization of 30.000 airline routes between the 3.000 biggest airports in the world. Via martingrandjean.ch
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