Iran's HDI value needs to be updated again based on 2012 statistics 

Iran's HDI value for 2012, according to the UNDP, is 0.742 which falls under the high human development category. Even previously wikipedia showed 2011 statistics on HDI where Iran has a higher HDI, but now it's showing old data. Why?
Iran's HDI value for 2012 is 0.742 and Iran ranks 76 out of 187 countries and territories in the report.

Here's the report for Iran:
http://hdrstats.undp.org/images/explanations/IRN.pdf