Some countries were not included for various reasons, mainly the unavailability of certain crucial data. The following United Nations Member States were not included in the 2011 report: North Korea, Marshall Islands, Monaco, Nauru, San Marino, South Sudan, Somalia and Tuvalu.
২০১১ সালের প্রতিবেদন থেকে যেসব দেশকে বাদ দেওয়া হয়েছে, তার প্রধান কারণ কী?
unavailability of certain crucial data