Ethnicity and languages
Islamabad had an expected populace of around 1.67 million in 2011 which as per the evaluation of Population Census Organization will ascend to around 2 million in 2020. Urdu, the national dialect of the nation, is prevalently talked inside the city and in addition English. The first language of most of the populace is Punjabi, at 68% and the real vernacular is Pothohari tongue. 15% of the populace are Pashto speakers, 18% talk other languages. The aggregate transient populace of the city is 1 million, with the larger part (691,977) originating from Punjab. Around 210,614 of the relocated populace originated from Sindh and rest from Khyber Pakhtunkhwa, Azad Kashmir. Littler populaces emigrated from Balochistan, Federally Administered Tribal Areas and Gilgit–Baltistan.
Islam is the biggest religion in the city, with 95.53% of the populace Muslim. In country zones this rate is 98.80%. Per 1998 enumeration in urban zones the rate of Muslims is 97.83%. more
The second biggest religion is Christianity, with 4.07% of the populace, 0.94% in country zones and 5.70% in the city. Hinduism represents 0.02% of the populace, and different minorities 0.03%.