human development index

One of the primary challenges in understanding countries in relation to one another is the sheer diversity of the world. How do we compare the economies of very large countries to very small countries? Is there a way to talk about the comparative political stability of a country? How do we measure progress in attaining the United Nations Sustainable Development Goals when a day in the life in one place can seem so far removed from that in another? Even an attempt to quantify aspects of a single country is difficult due to its internal heterogeneity. While quantitative data can [...]