80 percent internet users of Bangladesh are on social networking website Facebook according to Bangladesh Telecommunication Regulatory Commission (BTRC).
Bangladesh has 63,941,000 Internet users for November, 2015, 31.9% penetration, per BTRC.
38,000,000 Facebook users on Nov 15/15, 16.6% penetration rate. The positive vibe is that the using rate is increasing in a rapid way.
Read More:The Number of Facebook Users in Bangladesh