Demography of Afghanistan in the context of "Net reproduction rate"

Dari, also known as Farsi Dari, Dari Persian, Eastern Persian, or Afghan Persian, is the variety of the Persian language spoken in Afghanistan. Dari is the Afghan government's official term for the Persian language; it is known as Afghan Persian or Eastern Persian in many Western sources. The decision to rename the local variety of Persian in 1964 was more political than linguistic to support an Afghan state narrative. Dari Persian is most closely related to Tajiki Persian as spoken in Tajikistan and the two share many phonological and lexical similarities. Apart from a few basics of vocabulary, there is little difference between formal written Persian of Afghanistan and Iran; the languages are mutually intelligible. Dari is the official language for approximately 30.6 million people in Afghanistan and it serves as the common language for inter-ethnic communication in the country.

As defined in the 2004 Constitution of Afghanistan, Dari is one of the two official languages of Afghanistan; the other is Pashto. Dari is the most widely spoken language in Afghanistan and the native language of approximately 25–55% of the population. Dari serves as the lingua franca of the country and is understood by up to 78% of the population.

The 2004 Constitution of Afghanistan was the supreme law of the Islamic Republic of Afghanistan, which lasted from 2004 to 2021. It served as the legal framework between the Afghan government and the Afghan citizens. Although Afghanistan (Afghan Empire) was made a state in 1747 by Ahmad Shah Durrani, the earliest Afghan constitutional movement began during the reign of Emir Abdur Rahman Khan in the 1890s followed by the drafting in 1922 of a constitution. The 1964 Constitution of Afghanistan transformed Afghanistan into a modern democracy.

The constitution was approved by the consensus in January 2004 after the 2003 loya jirga. The Constitution consists of 162 articles and was officially signed by Hamid Karzai on January 26, 2004. It evolved out of the Afghan Constitution Commission mandated by the Bonn Agreement. The constitution provides for an elected President and National Assembly. The transitional government of interim president Hamid Karzai was put in place after the June 2002 loya jirga. The first presidential elections after the new constitution was in effect, took place in October 2004, and Karzai was elected to a five-year term. The first elections for the National Assembly were delayed until September 2005. The constitution was essentially abolished on August 15, 2021, with the overthrow and dissolution of the Islamic Republic of Afghanistan by the Taliban. In August 2022, it was confirmed to the public that Supreme Leader Hibatullah Akhundzada had earlier formally abolished the 2004 Constitution on his authority.