A index to measure the quality of a country. It is gathered yearly and measures the quality of education, life expectancy and standard of living. It is calculated per capita. Canada used to be #1 in 1992, it is #12 in 2018.
Determining Income Inequality
The mean and median are compared against eachother. If the gap between the 2 values is large, then it signifies that a majority of the population does not reach the average income and that there is most likely a small subset of the population hoarding the wealth. Mean is easily skewed from the rich, median stays consistent