posted by Unknown .
Hi, I am doing a project and I don't know what this means: Columbia's Human Development Index is 0.710.
I don't know if that means how many years or what.
Thanks for answers!
I actually have seen that i just want to know what 0.710 means years or ,months, i really don't know
"The Human Development Index (HDI) is a composite statistic of life expectancy, education, and income indices to rank countries into four tiers of human development. "