ShareCPJ (Committee to Protect Journalists) has created a list of 10 worst countries to be a blogger. Luckily Pakistan isn’t one of them. 
1 ) Burma
2 ) Iran
3 ) Syria
4 ) Saudi Arabia
5 ) Tunisia
6 ) Egypt
7 ) China
8 ) Vietnam
9 ) Cuba
10 ) Turkmenistan 
To know the reasons and more, check out this original link of CPJ!