iran_provincial__gdp_per_capita_excl_oil_1393_13972014–2018↓ Download CSV

Non-Oil GDP Per Capita by Province

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··19211921 Persian coup centralizes state authorityCorrelationExpected causation
Reza Khan and journalist Seyyed Zia'eddin Tabatabaei march Cossack troops into Tehran and install a new government, beginning the consolidation of central military and fiscal authority away from Qajar provincial power-brokers that culminates in Reza Khan's 1925 coronation as Shah.
Why this link: The 1921 coup began the consolidation of central military and fiscal authority under Reza Khan that made possible the state-led modernization, taxation and industrialization drives of the following two decades, the deep institutional foundation of Iran's modern growth trajectory.
Caveat: A political rupture several steps removed from output; no national-accounts data exists for this period, so the link is genealogical rather than measurable.
Lag: Decades (institutional groundwork)Source: Encyclopaedia Iranica
011925Pahlavi dynasty foundedCorrelationExpected causation
Reza Khan crowned Reza Shah Pahlavi, beginning a state-led modernization and industrialization program.
Why this link: Reza Shah's coronation launched a state-led modernization and industrialization program (railways, banks, tariff and tax reform, new industry) that reshaped Iran's growth path through the 1930s and beyond; any serious account of Iran's long-run GDP trajectory must mention it.
Caveat: Oil revenue is a far larger and more direct driver of GDP in this period, so the dynasty's specific programmatic contribution cannot be isolated from it.
Lag: Years to decadesSource: Encyclopaedia Britannica
··1933D'Arcy oil concession renegotiatedCorrelationExpected causation
New 60-year concession with the Anglo-Persian Oil Company, ratified by the Majlis on 28 May and given royal assent the next day, reduces the concession area by three-quarters and guarantees Iran a fixed per-ton royalty plus 20% of the company's distributed profits.
Why this link: By reducing the concession area by three-quarters and guaranteeing fixed royalty terms, the 1933 agreement shaped the oil-rent share of the economy for the following decades.
Caveat: No production or GDP data exists for this period; effect is inferred from later series structure.
Lag: DecadesSource: Encyclopaedia Britannica
021941Anglo-Soviet invasion of IranCorrelationExpected causation
Britain and the USSR jointly invade to secure oil supply lines and the Persian Corridor; Reza Shah abdicates in favor of his son Mohammad Reza Pahlavi.
Why this link: Securing oil supply lines and the Persian Corridor was the explicit purpose of the joint Anglo-Soviet invasion, placing Iran's oil sector under direct Allied wartime control.
Caveat: No production data exists for this period; effect is documented in historical accounts rather than the charted series.
Lag: ImmediateSource: Encyclopaedia Britannica
··1949Plan Organization established; First Seven-Year PlanCorrelationExpected causation
Sazman-e Barnameh created to design and coordinate national development plans, beginning the era of formal five/seven-year planning.
Why this link: This launched the era of formal national development planning that channeled oil revenue into public investment for the rest of the Pahlavi era and beyond, a national-scale institutional change any account of Iran's growth path should mention.
Caveat: Diffuse, multi-causal, and predates the charted GDP series by roughly a decade.
Lag: ~10 years to charted dataSource: Iran Data Portal (Syracuse University)
031951Oil industry nationalizedCorrelationExpected causation
Majlis votes to nationalize the Anglo-Iranian Oil Company under Prime Minister Mohammad Mossadegh; National Iranian Oil Company (NIOC) subsequently established.
Why this link: Nationalization under Mossadegh and the ensuing AIOC-led international boycott caused Iranian oil output and export earnings to collapse to a fraction of pre-1951 levels through 1953-54.
Caveat: No annual production/GDP series exists for 1951-54; effect is documented historically rather than in the charted data itself.
Lag: Immediate, lasting ~3 yearsSource: CIA National Intelligence Survey 33: Iran — The Economy
··19531953 coup d'étatCorrelationExpected causation
CIA- and MI6-backed coup removes Prime Minister Mossadegh and restores the Shah's executive authority, ending the oil nationalization standoff.
Why this link: The coup that removed Mossadegh ended the nationalization standoff and cleared the political path to the 1954 Consortium Agreement that restored Iranian oil output and revenue.
Caveat: The coup itself did not move output; it removed the political obstacle to the agreement that did.
Lag: ~1 year to Consortium AgreementSource: Foreign Relations of the United States (State Dept. Office of the Historian)
041954Consortium AgreementCorrelationExpected causation
A consortium of Western oil majors resumes Iranian oil operations under a profit-sharing agreement, ending the nationalization dispute.
Why this link: The consortium of Western oil majors resumed Iranian oil operations under a profit-sharing agreement, rapidly restoring and then growing output after the 1951-54 shutdown.
Caveat: No annual production data exists for the immediate recovery years; documented historically.
Lag: 1-3 years to full recoverySource: Encyclopaedia Iranica
··1955Second Seven-Year Plan launchedCorrelationExpected causation
Plan Organization launches Iran's second national development plan (1955-1962), financed substantially by oil revenue following the 1954 Consortium Agreement; communications, agriculture and the Khuzestan Development Service (Karaj, Sefid Rud and Dez dams) receive the largest budget allocations.
Why this link: A national development plan financed substantially by oil revenue following the Consortium Agreement, the kind of national-scale program any account of 1950s-60s GDP growth should mention.
Caveat: Diffuse and multi-causal; cannot be isolated from concurrent oil-revenue growth as the GDP driver.
Lag: YearsSource: Encyclopaedia Iranica (Barnama-Rizi / Planning)
··1960OPEC founded with Iran as charter memberCorrelationExpected causation
Iran, Iraq, Kuwait, Saudi Arabia and Venezuela establish the Organization of the Petroleum Exporting Countries at the Baghdad Conference (10-14 September 1960) to coordinate members' petroleum policies and resist unilateral posted-price cuts by Western oil majors; Iranian delegate Fuad Rouhani becomes OPEC's first Secretary-General.
Why this link: Iran's charter membership in OPEC, founded to resist unilateral posted-price cuts by Western majors and coordinate members' petroleum policy, shaped Iran's long-run bargaining power over oil pricing and output quotas.
Caveat: OPEC's effect on any single member's output/rents is heavily confounded by global demand, non-OPEC supply and each member's own domestic policy.
Lag: Years to decades (esp. after 1973)Source: United Nations Treaty Series -- OPEC founding resolutions (Vol. 443, No. 6363)
0519861986 oil price collapseCorrelationExpected causation
Saudi Arabia abandons its swing-producer role; oil prices crash from ~$27 to under $10/barrel, straining every oil-exporting economy in this database (Saudi Arabia, Venezuela, USSR, Iran).
Why this link: Saudi Arabia's abandonment of the swing-producer role crashed oil prices from ~$27 to under $10/barrel in 1986, gutting the oil-rent share of GDP for every exporter in this database, including war-strained Iran.
Caveat: Iran's 1986 oil revenue was also shaped by wartime production constraints and OPEC quota disputes specific to Iran, not just the global price collapse.
Lag: Immediate, within the same fiscal year.Source: US Energy Information Administration
0620032000s commodity super-cycleCorrelationExpected causation
China's post-2001 WTO-driven infrastructure boom, alongside strong global growth, drives the IMF commodity price index up roughly fourfold between January 2000 and mid-2008; crude oil rises from about $30/barrel in 2003 to a record $147/barrel on 11 July 2008, delivering a sustained fiscal windfall to every oil exporter in this database (Iran, Saudi Arabia, Venezuela, Russia) before the Global Financial Crisis abruptly ends the cycle.
Why this link: Crude prices roughly quintupled from about $30/barrel in 2003 to a record $147 in mid-2008, directly driving the oil-rent share of Iran's GDP to its highest levels of the post-revolutionary era.
Caveat: Iran's own production volume (constrained by underinvestment and later sanctions) also affects this share, not price alone.
Lag: Immediate, within the same year.Source: US Energy Information Administration
··2003Iraq War beginsCorrelationExpected causation
US-led invasion halts roughly 2 million barrels/day of Iraqi oil production; global crude prices spike toward $40/barrel before Saudi Arabia and other OPEC members raise output to offset the loss, averaging $30/barrel for 2003 overall (up 19% from 2002).
Why this link: The invasion briefly spiked global crude toward $40/barrel by removing roughly 2 million barrels/day of Iraqi supply, before Saudi and OPEC offsets brought the 2003 average to about $30, a modest boost layered onto the broader commodity-cycle rise that fed Iran's oil-rent share of GDP.
Caveat: This is a small, short-lived contribution compared to the multi-year commodity super-cycle that was already underway.
Lag: Weeks to months.Source: Middle East Research and Information Project (MERIP)
072008Global Financial Crisis — Lehman Brothers collapseCorrelationExpected causation
Triggers a synchronized global recession; oil prices crash from ~$147 to ~$40/barrel within months, hitting every oil exporter in this database simultaneously, while credit-driven European economies (Spain, Portugal, Greece) enter prolonged crises.
Why this link: Oil prices crashed from ~$147 to ~$40/barrel within months of the Lehman collapse, sharply cutting Iran's oil-rent share of GDP at the peak of the prior boom.
Caveat: The rebound in oil prices through 2009-2010 was relatively fast, so the effect on the annual GDP series is sharper in some years than others.
Lag: Immediate, within months.Source: Federal Reserve History
··2011Arab Spring beginsCorrelationExpected causation
Protests beginning in Tunisia in December 2010 spread across the Middle East and North Africa; resulting production disruptions (over 2 million barrels/day lost across Libya, Syria, Yemen, Tunisia and Sudan) push Brent crude from $92 to $120/barrel by April 2011, benefiting Saudi Arabia's fiscal position while destabilizing regional oil supply.
Why this link: Over 2 million barrels/day of MENA production was disrupted (Libya, Syria, Yemen), pushing Brent from $92 to $120/barrel by April 2011, a tailwind for Iran's oil-rent share of GDP even as Iran itself faced tightening Western sanctions the same year.
Caveat: The simultaneous escalation of nuclear-related sanctions on Iran's own oil exports makes it hard to isolate the price benefit from the volume losses Iran itself experienced starting in 2012.
Lag: Within the same year.Source: US Energy Information Administration
0820142014-2016 oil price collapseCorrelationExpected causation
Oil prices fall from ~$115 to below $30/barrel amid US shale supply growth and OPEC's decision not to cut output; a major driver of Venezuela's and Russia's subsequent crises, and a fiscal shock for Saudi Arabia and Iran.
Why this link: Oil prices fell from ~$115 to below $30/barrel between mid-2014 and early 2016, a direct and severe fiscal shock that sharply cut Iran's oil-rent share of GDP just as sanctions were also constraining export volumes.
Caveat: Sanctions-driven volume losses and the price collapse occurred simultaneously in this period, making the price effect alone hard to isolate.
Lag: Immediate, within months.Source: US Energy Information Administration
092015Iran nuclear deal (JCPOA) signedCorrelationExpected causation
Iran and the P5+1 finalize the Joint Comprehensive Plan of Action in Vienna, exchanging nuclear-program limits for the lifting of UN, EU and US nuclear-related sanctions; roughly $100bn in frozen Iranian assets are released after IAEA-verified implementation begins in January 2016.
Why this link: The release of roughly $100bn in frozen assets and the resumption of oil exports directly restored oil-rent income as a share of Iran's GDP after years of sanctions-depressed production.
Caveat: The oil price itself was falling sharply over the same period (2014-16), partially offsetting the volume recovery in value terms.
Lag: 6-12 months.Source: European External Action Service
102018US withdraws from the JCPOACorrelationExpected causation
President Trump announces US withdrawal from the Iran nuclear deal and directs the phased reimposition of all sanctions lifted in 2015-16, with full "snapback" effective 5 November 2018, reversing the 2015 sanctions-relief framework and re-isolating Iran's oil and banking sectors from the dollar system.
Why this link: The re-isolation of Iran's oil sector from the dollar system directly and severely cut oil-rent income as a share of GDP, one of the best-documented sanctions transmission channels in this database.
Caveat: None significant beyond normal measurement uncertainty in Iran's national accounts under sanctions.
Lag: 6-12 months.Source: OFAC — May 2018 Guidance on Reimposing Certain Sanctions with Respect to Iran
112020COVID-19 declared a pandemicCorrelationExpected causation
WHO declaration triggers synchronized global lockdowns, an oil-demand collapse (WTI briefly trades negative on 20 April 2020), and unprecedented fiscal/monetary stimulus across every country in this database.
Why this link: Synchronized global lockdowns and the oil-demand collapse cut into Iran's growth in 2020, on top of the sanctions-driven contraction already underway.
Caveat: Sanctions were already the dominant drag on Iran's economy going into 2020, so isolating the pandemic's incremental contribution from the ongoing sanctions contraction is difficult.
Lag: Within the same year.Source: World Health Organization
··2022Russian invasion of UkraineCorrelationExpected causation
Triggers sweeping Western sanctions on Russia, a global energy-price shock benefiting other oil/gas exporters (Iran, Saudi Arabia, Venezuela partially re-engaged by the West for supply), and a European inflation surge affecting Spain, Portugal, Greece.
Why this link: Sweeping Western sanctions on Russian energy pushed global oil and gas prices sharply higher in 2022, a windfall that benefited Iran's oil-rent share of GDP even amid its own separate sanctions regime.
Caveat: Iran's own export volumes remained sanctions-constrained throughout, so the price windfall could not translate into proportional revenue gains the way it did for unsanctioned exporters.
Lag: Within months.Source: OFAC — Russia-related sanctions

Related_Laws

Laws related to this measure. Correlation = how closely this law tracks this measure's story. Expected causation = how strongly we would expect it to have moved the line. Neither is a claim of proof.

1951CorrelationExpected causationLegal Decision on the Nationalization of the Oil Industry Throughout the Country
Passed in March 1951, this is Iran's landmark decision nationalizing the oil industry nationwide, adopted by the Majles Oil Commission and ratified by parliament, which set in motion the seizure of the Anglo-Iranian Oil Company's concession and marked the start of the oil nationalization movement led by Mohammad Mosaddegh.
Why this link: The 1951 nationalization of the oil industry is the foundational event that put Iran's largest resource rent under state control and reshaped the entire structure of national output and resource-rent accounting for the rest of the century; any serious account of Iran's GDP and resource-rent series must mention it.
Caveat: GDP's actual path in the 1950s-70s was dominated by the 1951-54 Anglo-Iranian oil embargo (which collapsed output and revenue), the 1954 Consortium Agreement, and subsequent oil-price cycles; nationalization set the legal framework but its specific quantitative contribution to GDP growth cannot be isolated from these larger, later events.
Lag: Long and non-monotonic; the embargo years initially cut output sharply, with the durable revenue-capture effect only materializing after the 1954 Consortium Agreement.
1973CorrelationExpected causationPlanning and Budget Act
Passed in 1973, this law establishes the Plan and Budget Organization and defines the country's planning hierarchy, from long-term and five-year development plans down to the annual state budget, setting out how development and current expenditures are classified and approved.
Why this link: This 1973 law establishes the Plan and Budget Organization (later the Management and Planning Organization), the institutional foundation of Iran's national development-planning and annual-budgeting apparatus from the Fifth Pahlavi plan through the Islamic Republic's Five-Year Development Plans. Any serious account of Iran's government-finance and GDP data over the following half-century should mention the institution this law created.
Caveat: This is a foundational institutional/procedural statute, not a specific spending or revenue action; its effect on any single year's fiscal or GDP figures cannot be isolated from the far larger substantive policies the organization later administered.
Lag: Decades (institutional legacy)

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Non-Oil GDP Per Capita by Province