they dont want to go back they need citizenship now most of them migrated in 80s and 90s for beter future but now struck in our throat .
2012 they were 2 million today may be 3 or 4 millions .
The National Assembly was told on Friday that about five million illegal immigrants were residing in different parts of the country due to local and regional disturbances.
In a written statement, the Ministry of Interior told the NA that out of the five million illegal immigrants, approximately
two million were Bangladeshis, 2.5 million were Afghans, and 0.5 million other nationals, including Africans, Iranians, Iraqis and Myanmarese, who had been living in the country for more than three decades.
https://defence.pk/pdf/threads/there-are-2-million-illegal-bangladeshis-in-pakistan.173401/