Pakistan census 2017: Date of first phase extended up to April 20 Last Updated On 18 April,2017 07:00 am Pakistan Bureau of Statistics has extended date of first phase of the census up to April 20. ISLAMABAD (Dunya News) – According to the officials of Pakistan Bureau of Statistics, special measures have been taken for those families and households not counted on missed in the first phase of the census 2017. Pakistan Bureau of Statistics has extended date of first phase of the census up to April 20. People are asked to contact toll free number up to April 20 for the purpose. National population census and house listing survey was kicked off in The first phase of sixth national population and housing census was kicked off in 63 districts across the country on March 15 and was due to end on April 14.