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OPEC Countries by Nominal GDP
listGDP 2026 USD bn
Saudi Arabia1122.465
United Arab Emirates577.424
Islamic Republic of Iran361.149
Algeria269.435
Iraq260.803
Qatar236.073
Nigeria192.337
Kuwait155.958
Ecuador130.310
Angola109.384
Venezuela101.020
Libya48.722
Gabon20.921
Equatorial Guinea12.894

GDP Rankings PPP (current international dollar bn)

listPPP GDP 2026 (current int. dollar bn)
Saudi Arabia2363.591
Islamic Republic of Iran1804.126
Nigeria1663.725
United Arab Emirates971.127
Algeria921.334
Iraq716.163
Angola419.474
Qatar408.051
Ecuador313.172
Kuwait274.527
Venezuela216.290
Libya132.125
Gabon60.228
Equatorial Guinea33.724

GDP Rankings (PPP) share of world total Percent

listPPP GDP 2026 Share in World Total Pct
Saudi Arabia1.086
Islamic Republic of Iran0.829
Nigeria0.765
United Arab Emirates0.446
Algeria0.423
Iraq0.329
Angola0.193
Qatar0.188
Ecuador0.144
Kuwait0.126
Venezuela0.099
Libya0.061
Gabon0.028
Equatorial Guinea0.015

GDP Rankings per capita nominal USD

listGDP Per Capita USD
Qatar75551.913
United Arab Emirates51715.486
Saudi Arabia30562.895
Kuwait29911.412
Gabon8880.683
Equatorial Guinea7659.835
Ecuador7142.693
Libya6908.994
Algeria5630.761
Iraq5591.838
Islamic Republic of Iran4086.243
Venezuela3757.182
Angola2689.386
Nigeria804.512

GDP Rankings Average per capita PPP

listGDP Per Capita PPP (current int. dollar)
Qatar109521.420
United Arab Emirates72943.671
Saudi Arabia53973.393
Kuwait44156.956
Gabon21441.529
Islamic Republic of Iran17119.456
Equatorial Guinea16802.082
Algeria16147.882
Libya15713.098
Ecuador14396.395
Iraq12877.758
Angola8649.487
Venezuela6746.511
Nigeria5836.293

Population Rankings

listCombined Population mln
Nigeria239.073
Islamic Republic of Iran88.382
Algeria47.851
Iraq46.640
Angola40.672
Saudi Arabia36.726
Venezuela26.887
Ecuador18.244
United Arab Emirates11.165
Libya7.052
Kuwait5.214
Qatar3.125
Gabon2.356
Equatorial Guinea1.683

Debt vs. GDP Rankings (Avg)

listGeneral government gross debt Percent of GDP
Gabon83.926
Algeria66.950
Angola63.944
Iraq56.045
Nigeria51.596
Islamic Republic of Iran41.871
Qatar39.306
Saudi Arabia38.531
Equatorial Guinea36.493
United Arab Emirates32.584
Kuwait10.770
Ecuador
Libya
Venezuela

OPEC

  • As of October 2026, OPEC has sustained cautious production adjustments following its September 2026 meeting to balance persistent demand uncertainties amid emerging global economic slowdown risks. The group maintained a modest output cut aligned with its strategic goal to support prices near $90-$95 per barrel, balancing supply concerns with demand deterioration from major consumers. Downside risk remains elevated due to potential further economic contraction in China and Europe, alongside increasing U.S. shale resilience, which could pressure OPEC’s ability to enforce discipline and support prices effectively.
  • OPEC Monthly Oil Market Report October 2026
  • OPEC Meeting Outcome September 2026 - Official Statement
  • Reuters: OPEC keeps cautious production cuts amid growth worries - Oct 2026
  • Bloomberg: OPEC Faces Pressure as U.S. Shale Production Surges - October 2026
  • International Energy Agency: Oil Market Report October 2026
  • The October 2026 OPEC+ meeting resulted in a decision to maintain current production quotas amid ongoing concerns over global economic growth uncertainties and inventory fluctuations. The move aims to balance supply risks without exacerbating price volatility amid sluggish demand from key consumers, especially China and Europe. However, risks persist from potential geopolitical disruptions and shifts in US shale output, which could constrain OPEC+ ability to influence oil prices effectively in the near term.
  • OPEC+ Maintains Output Levels in October 2026 Meeting
  • OPEC+ Keeps Production Steady Citing Market Uncertainties
  • Oil Market Balances Shift After OPEC+ Decision
  • OPEC+ Outlook Highlights Supply-Demand Challenges
  • OPEC Meeting Analysis: Risks from Geopolitics and US Shale
  • In the September 2026 OPEC+ meeting, members agreed to largely maintain current production quotas amid steady but fragile demand growth, driven by slowing Chinese industrial activity and resilient US shale output. The group emphasized cautious supply management to balance oil markets and support prices near $90 per barrel. A key risk remains uncertain global economic growth prospects and potential geopolitical disruptions in key producing regions, which could swiftly alter supply-demand dynamics and challenge cohesion within the alliance.
  • OPEC+ Statement after September 2026 Meeting
  • IEA Oil Market Report October 2026 Highlights OPEC+ Strategy
  • OPEC+ Keeps Production Steady as Demand Growth Slows - Reuters, Oct 2026
  • Oil Prices Stabilize as OPEC+ Maintains Quotas - Bloomberg, Oct 5, 2026
  • As of late September 2026, OPEC countries reaffirmed their commitment to gradual production adjustments to stabilize global oil markets amid ongoing demand uncertainties linked to slower economic growth in key consuming regions. The cartel's cautious stance reflects efforts to balance supply without triggering a sharp price drop, as non-OPEC producers maintain elevated output. Key risks remain from potential geopolitical disruptions and accelerating climate policies limiting long-term fossil fuel demand, which could pressure OPEC's market share and revenue trajectories.
  • OPEC Secretary General Monthly Report September 2026
  • Algeria
    Angola
    Ecuador
    Equatorial Guinea
    Gabon
    Islamic Republic of Iran
    Iraq
    Kuwait
    Libya
    Nigeria
    Qatar
    Saudi Arabia
    United Arab Emirates
    Venezuela

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    GDP Rankings per capita nominal USD

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    GDP Rankings Average per capita PPP

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    GDP Growth Rankings %

    list2026 GDP Growth
    Qatar5.618
    United Arab Emirates4.986
    Libya4.285
    Saudi Arabia3.742
    Kuwait3.129
    Algeria3.004
    Nigeria2.725
    Gabon2.603
    Ecuador2.117
    Angola2.076
    Iraq1.439
    Islamic Republic of Iran1.104
    Equatorial Guinea--
    Venezuela-5.500

    Investment to GDP

    listInvestment levels to GDP
    Algeria37.948
    Islamic Republic of Iran37.453
    Angola35.970
    Gabon33.636
    Saudi Arabia32.211
    Nigeria31.419
    Equatorial Guinea28.897
    United Arab Emirates28.025
    Libya25.335
    Ecuador21.690
    Kuwait16.000
    Iraq
    Qatar
    Venezuela

    Budget Balance/GDP

    listBudget Balance/GDP
    Algeria
    Ecuador
    Equatorial Guinea
    Gabon
    Islamic Republic of Iran
    Iraq
    Kuwait
    Libya
    Nigeria
    Qatar
    Saudi Arabia
    United Arab Emirates
    Venezuela
    Angola-4.146

    Average Current Account Balance/GDP

    listCurrent Account Balance/GDP
    Kuwait19.324
    Qatar10.335
    Libya8.738
    United Arab Emirates6.376
    Nigeria5.186
    Ecuador2.641
    Iraq1.510
    Angola1.448
    Islamic Republic of Iran1.301
    Gabon0.605
    Venezuela-0.479
    Equatorial Guinea-2.430
    Saudi Arabia-4.251
    Algeria-4.591