Iran in Data
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iran_disasters__registered_births_by_sex_1991_20061991–2006↓ Download CSV

Registered Births by Sex, National Annual (1991-2006) + All Provinces (2006)

Civil-registration birth counts by sex, distinct from wdi__SP.DYN.CBRT (a crude birth RATE per 1,000 population, not a sex-disaggregated administrative count) -- not registered as an extension of that chart since the unit and data-generating process differ (registration counts vs.

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  1. ··1917Great Persian Famine and 1918 influenza pandemicCorrelationExpected causation

    Wartime allied grain requisitioning, blockade and disrupted trade routes during World War I trigger severe famine across Iran from 1917, compounded by the 1918-19 influenza pandemic, cholera and typhus under the weakened, occupied Qajar government; mainstream scholarship estimates roughly 2 million excess deaths (Mohammad Gholi Majd has argued for far higher tolls of 8-10 million, a figure not widely accepted among historians), devastating the rural agricultural labor force.

    Why this link: The 1917-19 famine and influenza pandemic killed an estimated ~2 million people, a demographic shock that forms part of the gap between Iran's rough 1900 population baseline and its 2006 level shown in this chart.

    Caveat: This chart shows only two snapshots (1900 and 2006); the famine's specific demographic toll is not visible in the data itself and cannot be isolated from a century of other births, deaths and migration.

    Lag: Immediate mortality shock (1917-19); reflected only in the multi-decade endpoint comparison.Source: Wikipedia — Persian famine of 1917-1919 (cross-checked against Encyclopaedia Iranica's "Influenza" article and academic literature on death-toll estimates)
  2. 011956First national census of IranCorrelationExpected causation

    The General Department of Public Statistics conducts Iran's first modern population and housing census (1-16 November 1956) using 27,607 enumerators, recording a population of 18,954,704.

    Why this link: This 1956 count (recording a population of 18,954,704) is the foundational enumeration establishing Iran's modern population data series that this and all subsequent demographic charts build on.

    Caveat: Later WDI population figures are estimates/interpolations, not direct census counts for every year.

    Lag: ImmediateSource: Iran Data Portal (Syracuse University) -- Census

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