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Countries whose ISO and IOC 3-letter codes differ

List all the countries whose ISO 3166-1 alpha3 and IOC (International Olympic Committee) 3-letter codes differ.
Source of both lists: https://www.worlddata.info/countrycodes.php
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keuapar
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Last updated: March 31, 2026
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First submittedMarch 30, 2026
Times taken9
Average score73.1%
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Country Name
ISO code
IOC code
Zambia
ZMB
ZAM
Mongolia
MNG
MGL
Tonga
TON
TGA
Barbados
BRB
BAR
Brunei
BRN
BRU
Chad
TCD
CHA
Uruguay
URY
URU
Nigeria
NGA
NGR
Republic of the Congo
COG
CGO
Zimbabwe
ZWE
ZIM
Philippines
PHL
PHI
Germany
DEU
GER
South Sudan
SSD
no code
Saudi Arabia
SAU
KSA
Netherlands
NLD
NED
South Africa
ZAF
RSA
Myanmar
MMR
MYA
Guatemala
GTM
GUA
Denmark
DNK
DEN
Equatorial Guinea
GNQ
GEQ
Libya
LBY
LBA
Guinea
GIN
GUI
Greece
GRC
GRE
Cambodia
KHM
CAM
Tanzania
TZA
TAN
Slovenia
SVN
SLO
United Arab Emirates
ARE
UAE
Belize
BLZ
BIZ
Seychelles
SYC
SEY
Lesotho
LSO
LES
Bahrain
BHR
BRN
Botswana
BWA
BOT
Saint Vincent and the Grenadines
VCT
VIN
Costa Rica
CRI
CRC
Taiwan
TWN
TPE
Chile
CHL
CHI
Algeria
DZA
ALG
Indonesia
IDN
INA
Iran
IRN
IRI
Country Name
ISO code
IOC code
Honduras
HND
HON
Kosovo
XXK
KOS
Vatican City
VAT
no code
Bulgaria
BGR
BUL
Grenada
GRD
GRN
Paraguay
PRY
PAR
Samoa
WSM
SAM
Oman
OMN
OMA
Togo
TGO
TOG
Bangladesh
BGD
BAN
Vietnam
VNM
VIE
Antigua and Barbuda
ATG
ANT
Solomon Islands
SLB
SOL
El Salvador
SLV
ESA
Angola
AGO
ANG
Madagascar
MDG
MAD
Switzerland
CHE
SUI
Bhutan
BTN
BHU
Sri Lanka
LKA
SRI
Malawi
MWI
MAW
Haiti
HTI
HAI
Mauritania
MRT
MTN
Niger
NER
NIG
Mauritius
MUS
MRI
Burkina Faso
BFA
BUR
Guinea-Bissau
GNB
GBS
Kuwait
KWT
KUW
Bahamas
BHS
BAH
Fiji
FJI
FIJ
Portugal
PRT
POR
Croatia
HRV
CRO
Malaysia
MYS
MAS
Saint Kitts and Nevis
KNA
SKN
Gambia
GMB
GAM
Nicaragua
NIC
NCA
Vanuatu
VUT
VAN
Latvia
LVA
LAT
Nepal
NPL
NEP
Sudan
SDN
SUD
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