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