The World Bank calculates its own score for each country, based on the "distance to frontier " (DTF). That tracks how far each country is from the best ever score for a number of different measures.

The World Bank calculates its own score for each country, based on the "distance to frontier " (DTF). That tracks how far each country is from the best ever score for a number of different measures.

The World Bank calculates its own score for each country, based on the "distance to frontier " (DTF). That tracks how far each country is from the best ever score for a number of different measures.