America’s largest state economies rank alongside some of the biggest economies in the world. Even further down the list, many individual states produce hundreds of billions of dollars in economic output each year.This map, via Visual Capitalist's Gabriel Cohen, pairs each U.S. state with the country closest to it in nominal gross domestic product (GDP) in 2025, using data from the Bureau of Economic Analysis and the IMF’s World Economic Outlook.The Big Four State EconomiesAt $4.3 trillion, California would rank among the world’s five largest economies if it were an independent country. Its closest match on the map is the United Kingdom.Texas, meanwhile, has a $2.9 trillion economy, putting it closest to Russia. Both are major energy powerhouses, particularly in oil and gas.The table below lists U.S. states alongside their closest country equivalents in nominal GDP terms.State2025 Nominal GDP (billions $)Approx. Country EquivalentAlabama341🇵🇪 PeruAlaska75🇦🇿 AzerbaijanArizona598🇦🇹 AustriaArkansas198🇲🇦 MoroccoCalifornia4251🇬🇧 United KingdomColorado584🇹🇭 ThailandConnecticut376🇮🇷 IranDelaware117🇬🇭 GhanaDistrict of Columbia193🇺🇦 UkraineFlorida1835🇦🇺 AustraliaGeorgia925🇹🇼 TaiwanHawaii125🇬🇹 GuatemalaIdaho136🇰🇪 KenyaIllinois1202🇸🇦 Saudi ArabiaIndiana545🇳🇴 NorwayIowa277🇬🇷 GreeceKansas241🇭🇺 HungaryKentucky307🇰🇿 KazakhstanLouisiana340🇫🇮 FinlandMaine103🇨🇷 Costa RicaMaryland568🇦🇪 United Arab EmiratesMassachusetts820🇹🇼 TaiwanMichigan730🇧🇪 BelgiumMinnesota531🇻🇳 VietnamMississippi165🇰🇼 KuwaitMissouri468🇩🇰 DenmarkMontana82🇲🇲 MyanmarNebraska198🇺🇦 UkraineNevada281🇩🇿 AlgeriaNew Hampshire126🇩🇴 Dominican RepublicNew Jersey887🇹🇼 TaiwanNew Mexico153🇸🇰 SlovakiaNew York2468🇨🇦 CanadaNorth Carolina894🇹🇼 TaiwanNorth Dakota82🇸🇮 SloveniaOhio967🇵🇱 PolandOklahoma274🇳🇿 New ZealandOregon343🇵🇹 PortugalPennsylvania1056🇨🇭 SwitzerlandRhode Island84🇺🇾 UruguaySouth Carolina379🇨🇿 Czech RepublicSouth Dakota81🇹🇲 TurkmenistanTennessee590🇸🇬 SingaporeTexas2904🇷🇺 RussiaUtah316🇫🇮 FinlandVermont48🇧🇭 BahrainVirginia798🇧🇪 BelgiumWashington895🇹🇼 TaiwanWest Virginia109🇪🇹 EthiopiaWisconsin473🇲🇾 MalaysiaWyoming53🇿🇼 Zimbabwe🇺🇸 U.S.30762🇨🇳🇩🇪🇯🇵 China, Germany, JapanNew York’s $2.5 trillion economy is roughly the same size as Canada’s GDP. Meanwhile, Florida’s $1.8 trillion economy is closest to Australia, the largest economy in Oceania.Together, these four states would each qualify for the Group of 20 (G20) if they were independent countries.State-to-Country GDP MatchesFurther down the list, Illinois has a $1.2 trillion GDP that is roughly the same size as Saudi Arabia’s, though its economy is far more diversified. Pennsylvania follows at $1.1 trillion, placing it closest to Switzerland.Taiwan is the closest country match for four states: Georgia, Massachusetts, New Jersey, and Washington.The nation’s capital, Washington, D.C., has a nearly $200 billion GDP, putting it closest to Ukraine. Nebraska is also similar in economic size.The U.S. Economy in the WorldOverall, the U.S. has a $30.8 trillion national GDP, roughly equal to the combined output of China, Germany, and Japan, the world’s next three largest economies.That national scale helps explain why individual states can match the economic output of major countries around the world.To learn more about the future prospects of the world’s largest economy, check out What’s Next for the U.S. Economy? on Voronoi.