This article is about people from Pakistan as an ethnic identity and nation. For information on the population of Pakistan, see Demographics of Pakistan. Pakistani people ( ‘’Pure people’’ Pakistani Qaum) are the Indo-Iranian people who are citizens of the modern State of Pakistan and are main decedents of Indus valley civilisation (3300–1300 BCE; mature period 2600–1900 BCE). Pakistan is a multi-ethnic and multilingual state, and its people are predominantly Indo-Iranian both ethnically and linguistically, varying between Indo-Aryan and Iranian subgroups. As of 2011, the estimated population of Pakistan was over 187 million making it the world’s sixth most-populous country.