Is the HDI comparable over time?
The HDI is comparable over time when it is calculated based on the same
methodology and comparable trend data. HDR 2007/2008 presents a time series in HDI
for 1975, 1980, 1985, 1990, 1995, 2000 and 2005. This time series uses the
latest HDI methodology and the most up-to-date trend data for each component of
the index (please see indicator 
Table 2 HDR 2007/2008 [71 KB], Human development
index trends. Please note that the HDI is designed to capture long-term
progress in human development, rather than short-term changes. Read more…
