{"meta":{"id":"reserves-v1","title":"Proven crude oil reserves by country","unit":"billion barrels","note":"Seed dataset. Figures are approximate, compiled from public OPEC Annual Statistical Bulletin and U.S. EIA country data. Verify against primary sources before publication.","sources":["OPEC ASB","U.S. EIA"],"version":"0.1.0"},"countries":[{"iso":"VE","name":"Venezuela","reserves":303,"lat":8.5,"lng":-66,"status":"constrained","note":"Largest proven reserves; output constrained by sanctions and underinvestment"},{"iso":"SA","name":"Saudi Arabia","reserves":267,"lat":24,"lng":45,"status":"producing","note":"Swing producer; OPEC+ anchor"},{"iso":"IR","name":"Iran","reserves":209,"lat":32.5,"lng":53.5,"status":"constrained","note":"Sanctions-constrained exports"},{"iso":"CA","name":"Canada","reserves":171,"lat":56.5,"lng":-114,"status":"producing","note":"Predominantly Alberta oil sands"},{"iso":"IQ","name":"Iraq","reserves":145,"lat":32,"lng":44,"status":"producing","note":"Second-largest OPEC producer"},{"iso":"AE","name":"United Arab Emirates","reserves":113,"lat":24,"lng":54,"status":"producing","note":"Capacity expansion toward 5 Mb/d"},{"iso":"KW","name":"Kuwait","reserves":102,"lat":29.3,"lng":47.6,"status":"producing","note":"Greater Burgan complex"},{"iso":"RU","name":"Russia","reserves":80,"lat":61,"lng":74,"status":"constrained","note":"West Siberian core; G7 price cap and sanctions regime"},{"iso":"LY","name":"Libya","reserves":48,"lat":28,"lng":17.5,"status":"volatile","note":"Output swings with political stability"},{"iso":"US","name":"United States","reserves":48,"lat":38,"lng":-98,"status":"producing","note":"World's largest producer; shale-driven"},{"iso":"NG","name":"Nigeria","reserves":37,"lat":5.5,"lng":6.5,"status":"producing","note":"Niger Delta and deepwater offshore"},{"iso":"KZ","name":"Kazakhstan","reserves":30,"lat":47,"lng":52,"status":"producing","note":"Tengiz and Kashagan; CPC export dependency"},{"iso":"CN","name":"China","reserves":26,"lat":36,"lng":105,"status":"producing","note":"Mature onshore basins; largest crude importer"},{"iso":"QA","name":"Qatar","reserves":25,"lat":25.3,"lng":51.2,"status":"producing","note":"Condensate-weighted; LNG superpower"},{"iso":"BR","name":"Brazil","reserves":15,"lat":-23.5,"lng":-41,"status":"producing","note":"Pre-salt Santos Basin growth"},{"iso":"DZ","name":"Algeria","reserves":12,"lat":30,"lng":5,"status":"producing","note":"Saharan blend; European pipeline supplier"},{"iso":"GY","name":"Guyana","reserves":11,"lat":8,"lng":-57,"status":"producing","note":"Stabroek block discovered recoverable resource; fastest-growing new producer"},{"iso":"NO","name":"Norway","reserves":8,"lat":60,"lng":3,"status":"producing","note":"North Sea and Barents; Arctic-active producer"},{"iso":"EC","name":"Ecuador","reserves":8,"lat":-1,"lng":-77.5,"status":"producing","note":"Oriente basin"},{"iso":"AO","name":"Angola","reserves":8,"lat":-8,"lng":12,"status":"producing","note":"Deepwater offshore; exited OPEC 2024"},{"iso":"AZ","name":"Azerbaijan","reserves":7,"lat":40,"lng":50.5,"status":"producing","note":"Caspian ACG complex"},{"iso":"MX","name":"Mexico","reserves":6,"lat":19.5,"lng":-93.5,"status":"producing","note":"Bay of Campeche; mature decline"},{"iso":"OM","name":"Oman","reserves":5,"lat":20.5,"lng":56.5,"status":"producing","note":"EOR-heavy production; Murban-adjacent pricing"},{"iso":"GL","name":"Greenland","reserves":0,"lat":71,"lng":-42,"status":"moratorium","note":"No proven reserves; USGS assessed significant undiscovered potential. New oil & gas exploration licensing suspended by government decision in 2021"}]}