Afghans (Pashto: افغانان; Dari: افغانها) are the citizens and nationals of Afghanistan, as well as their descendants in the Afghan diaspora. The country is made up of various ethnic groups, of which Pashtuns, Tajiks, Hazaras, and Uzbeks are the largest. The three main languages spoken among the Afghan people are Dari (a variety of Persian), Pashto, and Uzbek. Historically, the term "Afghan" was a Pashtun ethnonym, but later came to refer to all people in the country, regardless of their ethnicity after the 1964 Constitution of Afghanistan proposed by the King of Afghanistan, Mohammad Zahir Shah.