wa-Takwīn al-Uṭur. Idārat al-Iḥṣāʼ Morocco. Kitābat al-Dawlah lil-Takhṭīṭ wa-al-Tanmiyah al-Jihawīyah
India. Office of the Registrar General.
Isle of Man. General Registry
Unknown Author
Indonesia. Biro Sensus
Scotland Staff General Register Office
Instituto Nacional de Estadística (Ecuador)
Srivastava, Jagdish Narain
Macedonia (Republic). Republički zavod za statistika.
Western Samoa. Department of Statistics
Sachchidananda
Morocco. Kitābat al-Dawlah lil-Takhṭīṭ wa-al-Tanmiyah al-Jihawīyah. Idārat al-Iḥṣāʾ
Botswana. Central Statistics Office.
Great Britain. Office of Population Censuses and Surveys.