Institute for humanities and cultural studies Social and Economic History Studies 2383-1278 7 1 2018 09 22 Demographic changes in Qom city during the Nasiri period (1313-1264 AH) according to the census of Mohammad Taghi Arbab. Demographic changes in Qom city during the Nasiri period (1313-1264 AH) according to the census of Mohammad Taghi Arbab. 55 70 3336 FA Hossei Ahmadi Rahbaraian Phd Student of history/ Tarbiat Modares university Mohsen Roustaei PhD in Persian Language and Literature/ Academic Member of the Documentation and Library Organization Hasan Zandiyehh Assistant Professor of History / University of Tehran Seyed Hassan Quorishi Karin Assistant Professor of History Department/ Payame Noor University Journal Article 2018 01 19 The census was one of the manifestations of the progressive movement to reform the tax system of the Nasserite era. The present study, based on the booklet "Naseri Collection" and comparing it with other sources, describes and analyzes the process of increasing and decreasing urban and rural population, as well as the construction of population geography of central neighborhoods and occupational and religious approach of urban residents based on the census. In this research, it is shown that after the Mongol invasion of Qom and its destruction and as a result, the population of this city decreased, during the Safavid and Qajar rule, the city was considered in terms of development and its population increased. During the reign of Nasser al-Din Shah, a decade later, the urban population increased by 60 percent, but the famine of 1288 AH. It reduced the city's population by 30 percent. This study analyzes and explains the population changes in Qom during the time of Nasser al-Din Shah, the situation and the causes of urban and rural population ups and downs of this city. The census was one of the manifestations of the progressive movement to reform the tax system of the Nasserite era. The present study, based on the booklet "Naseri Collection" and comparing it with other sources, describes and analyzes the process of increasing and decreasing urban and rural population, as well as the construction of population geography of central neighborhoods and occupational and religious approach of urban residents based on the census. In this research, it is shown that after the Mongol invasion of Qom and its destruction and as a result, the population of this city decreased, during the Safavid and Qajar rule, the city was considered in terms of development and its population increased. During the reign of Nasser al-Din Shah, a decade later, the urban population increased by 60 percent, but the famine of 1288 AH. It reduced the city's population by 30 percent. This study analyzes and explains the population changes in Qom during the time of Nasser al-Din Shah, the situation and the causes of urban and rural population ups and downs of this city. http://economichistory.ihcs.ac.ir/article_3336_13a2dd639354c459372c55776de2924e.pdf