Members of the international state system since 1816 (Correlates of War)

Source: https://aidb.si/d/state-system-membership — Correlates of War Project. “State System Membership” (latest version). Online, https://correlatesofwar.org

RowCOW codeCOW abbr.StateEntered systemLeft systemStill a memberYears in system (years)Major powerMajor power periodsVersion
USA-18162USAUnited States of America1816-01-01true209true1898–present2024
UKG-1816200UKGUnited Kingdom1816-01-01true209true1816–present2024
NTH-1816210NTHNetherlands1816-01-011940-07-14false124.5false2024
FRN-1816220FRNFrance1816-01-011942-11-11false126.9true1816–19402024
SWZ-1816225SWZSwitzerland1816-01-01true209false2024
SPN-1816230SPNSpain1816-01-01true209false2024
POR-1816235PORPortugal1816-01-01true209false2024
BAV-1816245BAVBavaria1816-01-011871-01-18false55false2024
GMY-1816255GMYGermany1816-01-011945-05-08false129.3true1816–1918; 1925–19452024
BAD-1816267BADBaden1816-01-011871-01-18false55false2024
SAX-1816269SAXSaxony1816-01-011867-04-17false51.3false2024
WRT-1816271WRTWuerttemburg1816-01-011871-01-18false55false2024
HSE-1816273HSEHesse Electoral1816-01-011866-07-26false50.6false2024
HSG-1816275HSGHesse Grand Ducal1816-01-011867-04-17false51.3false2024
AUH-1816300AUHAustria-Hungary1816-01-011918-11-12false102.9true1816–19182024
ITA-1816325ITAItaly1816-01-01true209true1860–19432024
PAP-1816327PAPPapal States1816-01-011860-11-05false44.8false2024
SIC-1816329SICTwo Sicilies1816-01-011861-02-13false45.1false2024
TUS-1816337TUSTuscany1816-01-011860-03-15false44.2false2024
RUS-1816365RUSRussia1816-01-01true209true1816–1917; 1922–present2024
SWD-1816380SWDSweden1816-01-01true209false2024
DEN-1816390DENDenmark1816-01-011940-04-09false124.3false2024
TUR-1816640TURTurkey1816-01-01true209false2024
BRA-1822140BRABrazil1822-09-07true202.3false2024
TUN-1825616TUNTunisia1825-01-011881-05-12false56.4false2024
GRC-1828350GRCGreece1828-01-011941-04-23false113.3false2024
BEL-1830211BELBelgium1830-12-201940-05-28false109.4false2024
MEX-183170MEXMexico1831-01-01true194false2024
COL-1831100COLColombia1831-01-01true194false2024
HAN-1837240HANHanover1837-06-201866-07-26false29.1false2024
PER-1839135PERPeru1839-01-01true186false2024
CHL-1839155CHLChile1839-01-01true186false2024
VEN-1841101VENVenezuela1841-01-01true184false2024
ARG-1841160ARGArgentina1841-01-01true184false2024
MOD-1842332MODModena1842-01-011860-03-15false18.2false2024
MEC-1843280MECMecklenburg Schwerin1843-01-011867-04-17false24.3false2024
PAR-1846150PARParaguay1846-01-011870-06-20false24.5false2024
MOR-1847600MORMorocco1847-01-011912-03-30false65.2false2024
BOL-1848145BOLBolivia1848-01-01true177false2024
PMA-1851335PMAParma1851-01-011860-03-15false9.2false2024
ECU-1854130ECUEcuador1854-01-01true171false2024
IRN-1855630IRNIran1855-01-01true170false2024
EGY-1855651EGYEgypt1855-01-011882-09-15false27.7false2024
HAI-185941HAIHaiti1859-01-011915-07-28false56.6false2024
JPN-1860740JPNJapan1860-01-011945-08-14false85.6true1895–19452024
CHN-1860710CHNChina1860-10-25true164.2true1950–present2024
GUA-186890GUAGuatemala1868-01-01true157false2024
SAL-187592SALEl Salvador1875-01-01true150false2024
PAR-1876150PARParaguay1876-06-22true148.5false2024
YUG-1878345YUGYugoslavia1878-07-131941-04-20false62.8false2024
ROM-1878360ROMRomania1878-07-13true146.5false2024
URU-1882165URUUruguay1882-01-01true143false2024
KOR-1887730KORKorea1887-01-011905-11-17false18.9false2024
THI-1887800THIThailand1887-01-01true138false2024
DOM-189442DOMDominican Republic1894-01-011916-11-29false22.9false2024
ETH-1898530ETHEthiopia1898-01-011936-05-05false38.3false2024
HON-189991HONHonduras1899-01-01true126false2024
NIC-190093NICNicaragua1900-01-01true125false2024
CUB-190240CUBCuba1902-05-201906-09-25false4.4false2024
PAN-190395PANPanama1903-11-03true121.2false2024
NOR-1905385NORNorway1905-06-071940-04-30false34.9false2024
BUL-1908355BULBulgaria1908-10-05true116.2false2024
CUB-190940CUBCuba1909-01-23true115.9false2024
ALB-1914339ALBAlbania1914-01-011939-04-07false25.3false2024
FIN-1917375FINFinland1917-12-06true107.1false2024
LIT-1918368LITLithuania1918-02-161940-06-15false22.3false2024
EST-1918366ESTEstonia1918-02-241940-06-16false22.3false2024
CZE-1918315CZECzechoslovakia1918-10-281939-03-15false20.4false2024
POL-1918290POLPoland1918-11-031939-09-27false20.9false2024
HUN-1918310HUNHungary1918-11-16true106.1false2024
LAT-1918367LATLatvia1918-11-181940-06-16false21.6false2024
AFG-1919700AFGAfghanistan1919-08-08true105.4false2024
AUS-1919305AUSAustria1919-09-101938-03-13false18.5false2024
COS-192094COSCosta Rica1920-01-01true105false2024
NEP-1920790NEPNepal1920-01-01true105false2024
CAN-192020CANCanada1920-01-10true105false2024
SAF-1920560SAFSouth Africa1920-01-10true105false2024
AUL-1920900AULAustralia1920-01-10true105false2024
NEW-1920920NEWNew Zealand1920-01-10true105false2024
LBR-1920450LBRLiberia1920-06-30true104.5false2024
LUX-1920212LUXLuxembourg1920-11-151940-05-10false19.5false2024
MON-1921712MONMongolia1921-03-13true103.8false2024
IRE-1922205IREIreland1922-12-06true102.1false2024
DOM-192442DOMDominican Republic1924-09-29true100.3false2024
YAR-1926678YARYemen Arab Republic1926-09-021990-05-21false63.7false2024
SAU-1927670SAUSaudi Arabia1927-05-20true97.6false2024
IRQ-1932645IRQIraq1932-10-03true92.2false2024
HAI-193441HAIHaiti1934-08-15true90.4false2024
EGY-1937651EGYEgypt1937-05-26true87.6false2024
ETH-1941530ETHEthiopia1941-05-05true83.7false2024
ICE-1944395ICEIceland1944-06-17true80.5false2024
FRN-1944220FRNFrance1944-08-25true80.4true1945–present2024
LUX-1944212LUXLuxembourg1944-09-10true80.3false2024
GRC-1944350GRCGreece1944-10-13true80.2false2024
YUG-1944345YUGYugoslavia1944-10-202006-06-03false61.6false2024
ALB-1944339ALBAlbania1944-11-17true80.1false2024
NOR-1945385NORNorway1945-05-07true79.7false2024
DEN-1945390DENDenmark1945-05-07true79.7false2024
CZE-1945315CZECzechoslovakia1945-05-101992-12-31false47.6false2024
NTH-1945210NTHNetherlands1945-06-26true79.5false2024
BEL-1945211BELBelgium1945-06-26true79.5false2024
POL-1945290POLPoland1945-06-28true79.5false2024
LEB-1946660LEBLebanon1946-03-10true78.8false2024
JOR-1946663JORJordan1946-03-22true78.8false2024
SYR-1946652SYRSyria1946-04-171958-02-01false11.8false2024
PHI-1946840PHIPhilippines1946-07-04true78.5false2024
PAK-1947770PAKPakistan1947-08-14true77.4false2024
IND-1947750INDIndia1947-08-15true77.4false2024
MYA-1948775MYAMyanmar1948-01-04true77false2024
SRI-1948780SRISri Lanka1948-02-04true76.9false2024
ISR-1948666ISRIsrael1948-05-14true76.6false2024
PRK-1948731PRKNorth Korea1948-09-09true76.3false2024
ROK-1949732ROKSouth Korea1949-06-29true75.5false2024
TAW-1949713TAWTaiwan1949-12-08true75.1false2024
INS-1949850INSIndonesia1949-12-27true75false2024
LIB-1951620LIBLibya1951-12-24true73false2024
JPN-1952740JPNJapan1952-04-28true72.7true1991–present2024
LAO-1953812LAOLaos1953-10-23true71.2false2024
CAM-1953811CAMCambodia1953-11-09true71.1false2024
GDR-1954265GDRGerman Democratic Republic1954-03-251990-10-02false36.5false2024
RVN-1954817RVNRepublic of Vietnam1954-06-041975-04-30false20.9false2024
DRV-1954816DRVVietnam1954-07-21true70.4false2024
GFR-1955260GFRGerman Federal Republic1955-05-051990-10-02false35.4false2024
AUS-1955305AUSAustria1955-07-27true69.4false2024
SUD-1956625SUDSudan1956-01-01true69false2024
MOR-1956600MORMorocco1956-03-02true68.8false2024
TUN-1956616TUNTunisia1956-03-20true68.8false2024
GHA-1957452GHAGhana1957-03-06true67.8false2024
MAL-1957820MALMalaysia1957-08-31true67.3false2024
GUI-1958438GUIGuinea1958-10-02true66.2false2024
CAO-1960471CAOCameroon1960-01-01true65false2024
TOG-1960461TOGTogo1960-04-27true64.7false2024
MLI-1960432MLIMali1960-06-20true64.5false2024
MAG-1960580MAGMadagascar1960-06-26true64.5false2024
DRC-1960490DRCDemocratic Republic of the Congo1960-06-30true64.5false2024
SOM-1960520SOMSomalia1960-07-01true64.5false2024
BEN-1960434BENBenin1960-08-01true64.4false2024
BFO-1960439BFOBurkina Faso1960-08-05true64.4false2024
CDI-1960437CDIIvory Coast1960-08-07true64.4false2024
CHA-1960483CHAChad1960-08-11true64.4false2024
CEN-1960482CENCentral African Republic1960-08-13true64.4false2024
CON-1960484CONCongo1960-08-15true64.4false2024
CYP-1960352CYPCyprus1960-08-16true64.4false2024
GAB-1960481GABGabon1960-08-17true64.4false2024
SEN-1960433SENSenegal1960-08-20true64.4false2024
NIG-1960475NIGNigeria1960-10-01true64.3false2024
NIR-1960436NIRNiger1960-10-03true64.2false2024
MAA-1960435MAAMauritania1960-11-28true64.1false2024
SIE-1961451SIESierra Leone1961-04-27true63.7false2024
KUW-1961690KUWKuwait1961-06-19true63.5false2024
SYR-1961652SYRSyria1961-09-29true63.3false2024
TAZ-1961510TAZTanzania1961-12-09true63.1false2024
BUI-1962516BUIBurundi1962-07-01true62.5false2024
RWA-1962517RWARwanda1962-07-01true62.5false2024
ALG-1962615ALGAlgeria1962-07-05true62.5false2024
JAM-196251JAMJamaica1962-08-06true62.4false2024
TRI-196252TRITrinidad and Tobago1962-08-31true62.3false2024
UGA-1962500UGAUganda1962-10-09true62.2false2024
KEN-1963501KENKenya1963-12-12true61.1false2024
ZAN-1963511ZANZanzibar1963-12-191964-04-26false0.4false2024
MAW-1964553MAWMalawi1964-07-06true60.5false2024
MLT-1964338MLTMalta1964-09-21true60.3false2024
ZAM-1964551ZAMZambia1964-10-24true60.2false2024
GAM-1965420GAMGambia1965-02-18true59.9false2024
MAD-1965781MADMaldives1965-07-26true59.4false2024
SIN-1965830SINSingapore1965-08-09true59.4false2024
ZIM-1965552ZIMZimbabwe1965-11-11true59.1false2024
GUY-1966110GUYGuyana1966-05-26true58.6false2024
BOT-1966571BOTBotswana1966-09-30true58.3false2024
LES-1966570LESLesotho1966-10-04true58.2false2024
BAR-196653BARBarbados1966-11-30true58.1false2024
YPR-1967680YPRYemen People's Republic1967-11-301990-05-21false22.5false2024
MAS-1968590MASMauritius1968-03-12true56.8false2024
SWA-1968572SWASwaziland1968-09-06true56.3false2024
EQG-1968411EQGEquatorial Guinea1968-10-12true56.2false2024
FIJ-1970950FIJFiji1970-10-10true54.2false2024
BAH-1971692BAHBahrain1971-08-15true53.4false2024
QAT-1971694QATQatar1971-09-03true53.3false2024
BHU-1971760BHUBhutan1971-09-21true53.3false2024
OMA-1971698OMAOman1971-10-07true53.2false2024
UAE-1971696UAEUnited Arab Emirates1971-12-02true53.1false2024
BNG-1971771BNGBangladesh1971-12-16true53false2024
BHM-197331BHMBahamas1973-07-10true51.5false2024
GRN-197455GRNGrenada1974-02-07true50.9false2024
GNB-1974404GNBGuinea-Bissau1974-09-10true50.3false2024
MZM-1975541MZMMozambique1975-06-25true49.5false2024
CAP-1975402CAPCape Verde1975-07-05true49.5false2024
STP-1975403STPSao Tome and Principe1975-07-12true49.5false2024
PNG-1975910PNGPapua New Guinea1975-09-16true49.3false2024
ANG-1975540ANGAngola1975-11-11true49.1false2024
SUR-1975115SURSuriname1975-11-25true49.1false2024
COM-1975581COMComoros1975-12-31true49false2024
SEY-1976591SEYSeychelles1976-06-29true48.5false2024
WSM-1976990WSMSamoa1976-12-15true48false2024
DJI-1977522DJIDjibouti1977-06-27true47.5false2024
SOL-1978940SOLSolomon Islands1978-07-07true46.5false2024
DMA-197854DMADominica1978-11-03true46.2false2024
SLU-197956SLUSt. Lucia1979-02-22true45.9false2024
SVG-197957SVGSt. Vincent and the Grenadines1979-10-27true45.2false2024
VAN-1981935VANVanuatu1981-09-15true43.3false2024
BLZ-198180BLZBelize1981-09-21true43.3false2024
AAB-198158AABAntigua & Barbuda1981-11-01true43.2false2024
SKN-198360SKNSt. Kitts and Nevis1983-09-19true41.3false2024
BRU-1984835BRUBrunei1984-01-01true41false2024
NAM-1990565NAMNamibia1990-03-21true34.8false2024
YEM-1990679YEMYemen1990-05-22true34.6false2024
LIE-1990223LIELiechtenstein1990-09-18true34.3false2024
GMY-1990255GMYGermany1990-10-03true34.2true1991–present2024
EST-1991366ESTEstonia1991-09-06true33.3false2024
LAT-1991367LATLatvia1991-09-06true33.3false2024
LIT-1991368LITLithuania1991-09-06true33.3false2024
MSI-1991983MSIMarshall Islands1991-09-17true33.3false2024
FSM-1991987FSMFederated States of Micronesia1991-09-17true33.3false2024
MLD-1991359MLDMoldova1991-12-26true33false2024
UKR-1991369UKRUkraine1991-12-26true33false2024
BLR-1991370BLRBelarus1991-12-26true33false2024
ARM-1991371ARMArmenia1991-12-26true33false2024
GRG-1991372GRGGeorgia1991-12-26true33false2024
AZE-1991373AZEAzerbaijan1991-12-26true33false2024
TKM-1991701TKMTurkmenistan1991-12-26true33false2024
TAJ-1991702TAJTajikistan1991-12-26true33false2024
KYR-1991703KYRKyrgyzstan1991-12-26true33false2024
UZB-1991704UZBUzbekistan1991-12-26true33false2024
KZK-1991705KZKKazakhstan1991-12-26true33false2024
CRO-1992344CROCroatia1992-01-15true33false2024
SLV-1992349SLVSlovenia1992-01-15true33false2024
SNM-1992331SNMSan Marino1992-03-02true32.8false2024
BOS-1992346BOSBosnia and Herzegovina1992-04-07true32.7false2024
CZR-1993316CZRCzech Republic1993-01-01true32false2024
SLO-1993317SLOSlovakia1993-01-01true32false2024
MAC-1993343MACMacedonia1993-04-08true31.7false2024
ERI-1993531ERIEritrea1993-05-24true31.6false2024
MNC-1993221MNCMonaco1993-05-28true31.6false2024
AND-1993232ANDAndorra1993-07-28true31.4false2024
PAL-1994986PALPalau1994-12-15true30false2024
KIR-1999946KIRKiribati1999-09-14true25.3false2024
TON-1999955TONTonga1999-09-14true25.3false2024
NAU-1999970NAUNauru1999-09-14true25.3false2024
TUV-2000947TUVTuvalu2000-09-05true24.3false2024
ETM-2002860ETMEast Timor2002-09-27true22.3false2024
SRB-2006345SRBSerbia2006-06-03true18.6false2024
MNG-2006341MNGMontenegro2006-06-12true18.6false2024
KOS-2008347KOSKosovo2008-02-20true16.9false2024
SSD-2011626SSDSouth Sudan2011-07-09true13.5false2024