Countries in the International Organization for Standardization
There are, as of 2015, 163 members of the International Organization for Standardization. Three types of membership status can be distinguished:
- full member
- correspondent member
- subscriber member
Members
| Country A2 code | Country A3 code | Country code No. | Country name | Standards body | ISO status |
| AF | AFG | 004 | Afghanistan | ANSA | Member body |
| AL | ALB | 008 | Albania | DPS | Correspondent member |
| DZ | DZA | 012 | Algeria | IANOR | Member body |
| AO | AGO | 024 | Angola | IANORQ | Correspondent member |
| AG | ATG | 028 | Antigua and Barbuda | ABBS | Subscriber member |
| AR | ARG | 032 | Argentina | IRAM | Member body |
| AM | ARM | 051 | Armenia | SARM | Member body |
| AU | AUS | 036 | Australia | SA | Member body |
| AT | AUT | 040 | Austria | ON | Member body |
| AZ | AZE | 031 | Azerbaijan | AZSTAND | Member body |
| BS | BHS | 044 | Bahamas | BBSQ | Correspondent member |
| BH | BHR | 048 | Bahrain | BSMD | Member body |
| BD | BGD | 050 | Bangladesh | BSTI | Member body |
| BB | BRB | 052 | Barbados | BNSI | Member body |
| BY | BLR | 112 | Belarus | BELST | Member body |
| BE | BEL | 056 | Belgium | NBN | Member body |
| BZ | BLZ | 084 | Belize | BZBS | Correspondent member |
| BJ | BEN | 204 | Benin | CEBENOR | Member body |
| BT | BTN | 064 | Bhutan | SQCA | Correspondent member |
| BO | BOL | 068 | Bolivia, Plurinational State of | IBNORCA | Correspondent member |
| BA | BIH | 070 | Bosnia and Herzegovina | BASMP | Member body |
| BW | BWA | 072 | Botswana | BOBS | Member body |
| BR | BRA | 076 | Brazil | ABNT | Member body |
| BN | BRN | 096 | Brunei Darussalam | CPRU | Correspondent member |
| BG | BGR | 100 | Bulgaria | BDS | Member body |
| BF | BFA | 854 | Burkina Faso | FASONORM | Member body |
| BI | BDI | 108 | Burundi | BBN | Correspondent member |
| KH | KHM | 116 | Cambodia | ISC | Correspondent member |
| CM | CMR | 120 | Cameroon | CDNQ | Member body |
| CA | CAN | 124 | Canada | SCC | Member body |
| CV | CPV | 132 | Cape Verde | — | |
| CF | CAF | 140 | Central African Republic | — | |
| TD | TCD | 148 | Chad | — | |
| CL | CHL | 52 | Chile | INN | Member body |
| CN | CHN | 156 | China | SAC | Member body |
| CO | COL | 170 | Colombia | ICONTEC | Member body |
| KM | COM | 174 | Comoros | — | |
| CG | COG | 178 | Congo | — | |
| CR | CRI | 188 | Costa Rica | INTECO | Member body |
| CI | CIV | 384 | Côte d'Ivoire | CODINORM | Member body |
| HR | HRV | 191 | Croatia | HZN | Member body |
| CU | CUB | 192 | Cuba | NC | Member body |
| CY | CYP | 196 | Cyprus | CYS | Member body |
| CZ | CZE | 203 | Czech Republic | ÚNMZ | Member body |
| KP | PRK | 408 | Democratic People's Republic of Korea | CSK | Member body |
| CD | COD | 180 | Democratic Republic of the Congo | OCC | Member body |
| DK | DNK | 208 | Denmark | DS | Member body |
| DJ | DJI | 262 | Djibouti | — | |
| DM | DMA | 212 | Dominica | DBOS | Correspondent member |
| DO | DOM | 214 | Dominican Republic | INDOCAL | Member body |
| EC | ECU | 218 | Ecuador | INEN | Member body |
| EG | EGY | 818 | Egypt | EOS | Member body |
| SV | SLV | 222 | El Salvador | CONACYT | Member body |
| GQ | GNQ | 226 | Equatorial Guinea | — | |
| ER | ERI | 232 | Eritrea | ESI | Correspondent member |
| EE | EST | 233 | Estonia | EVS | Member body |
| SZ | SWZ | 748 | Eswatini | SWASA | Correspondent member |
| ET | ETH | 231 | Ethiopia | QSAE | Member body |
| FJ | FJI | 242 | Fiji | FTSQCO | Member body |
| FI | FIN | 246 | Finland | SFS | Member body |
| FR | FRA | 250 | France | AFNOR | Member body |
| GA | GAB | 266 | Gabon | CNTT | Member body |
| GM | GMB | 270 | Gambia | TGSB | Correspondent member |
| GE | GEO | 268 | Georgia | GEOSTM | Correspondent member |
| DE | DEU | 276 | Germany | DIN | Member body |
| GH | GHA | 288 | Ghana | GSB | Member body |
| GR | GRC | 300 | Greece | ELOT | Member body |
| GD | GRD | 308 | Grenada | — | |
| GT | GTM | 320 | Guatemala | COGUANOR | Correspondent member |
| GN | GIN | 324 | Guinea | INNM | Correspondent member |
| GW | GNB | 624 | Guinea-Bissau | DSNPQ | |
| GY | GUY | 328 | Guyana | GNBS | Correspondent member |
| HT | HTI | 332 | Haiti | BHN | Correspondent member |
| HN | HND | 340 | Honduras | COHCIT | Subscriber member |
| HK | HKG | 344 | Hong Kong, China | ITCHKSAR | Correspondent member |
| HU | HUN | 348 | Hungary | MSZT | Member body |
| IS | ISL | 352 | Iceland | IST | Member body |
| IN | IND | 356 | India | BIS | Member body |
| ID | IDN | 360 | Indonesia | BSN | Member body |
| IR | IRN | 364 | Iran, Islamic Republic of | ISIRI | Member body |
| IQ | IRQ | 368 | Iraq | COSQC | Member body |
| IE | IRL | 372 | Ireland, Republic of | NSAI | Member body |
| IL | ISR | 376 | Israel | SII | Member body |
| IT | ITA | 380 | Italy | UNI | Member body |
| JM | JAM | 388 | Jamaica | JBS | Member body |
| JP | JPN | 392 | Japan | JISC | Member body |
| JO | JOR | 400 | Jordan | JISM | Member body |
| KZ | KAZ | 398 | Kazakhstan | KAZMEMST | Member body |
| KE | KEN | 404 | Kenya | KEBS | Member body |
| KI | KIR | 296 | Kiribati | — | |
| KW | KWT | 414 | Kuwait | KOWSMD | Member body |
| KG | KGZ | 417 | Kyrgyzstan | KYRGYZST | Correspondent member |
| LA | LAO | 418 | Lao People's Democratic Rep. | DISM | Subscriber member |
| LV | LVA | 428 | Latvia | LVS | Member body |
| LB | LBN | 422 | Lebanon | LIBNOR | Member body |
| LS | LSO | 426 | Lesotho | LSQAS | Correspondent member |
| LR | LBR | 430 | Liberia | — | |
| LY | LBY | 434 | Libya | LNCSM | Member body |
| LI | LIE | 438 | Liechtenstein | — | |
| LT | LTU | 440 | Lithuania | LST | Correspondent member |
| LU | LUX | 442 | Luxembourg | SEE | Member body |
| MO | MAC | 446 | Macau, China | CPTTM | Correspondent member |
| MG | MDG | 450 | Madagascar | BNM | Correspondent member |
| MW | MWI | 454 | Malawi | MBS | Member body |
| MY | MYS | 458 | Malaysia | DSM | Member body |
| MV | MDV | 462 | Maldives | — | |
| ML | MLI | 466 | Mali | MLIDNI | Member body |
| MT | MLT | 470 | Malta | MSA | Member body |
| MH | MHL | 584 | Marshall Islands | — | |
| MR | MRT | 478 | Mauritania | — | Correspondent member |
| MU | MUS | 480 | Mauritius | MSB | Member body |
| MX | MEX | 484 | Mexico | DGN | Member body |
| FM | FSM | 583 | Micronesia, Federated States of | — | |
| MC | MCO | 492 | Monaco | — | |
| MN | MNG | 496 | Mongolia | MASM | Member body |
| ME | MNE | 499 | Montenegro | ISME | Correspondent member |
| MA | MAR | 504 | Morocco | SNIMA | Member body |
| MZ | MOZ | 508 | Mozambique | INNOQ | Correspondent member |
| MM | MMR | 104 | Myanmar | MSTRD | Correspondent member |
| NA | NAM | 516 | Namibia | NSIQO | Member body |
| NR | NRU | 520 | Nauru | — | |
| NP | NPL | 524 | Nepal | NBSM | Member body |
| NL | NLD | 528 | Netherlands | NEN | Member body |
| NZ | NZL | 554 | New Zealand | SNZ | Member body |
| NI | NIC | 558 | Nicaragua | DTNM | Correspondent member |
| NE | NER | 562 | Niger | DNQM | Correspondent member |
| NG | NGA | 566 | Nigeria | SON | Member body |
| NO | NOR | 578 | Norway | SN | Member body |
| OM | OMN | 512 | Oman | DGSM | Member body |
| PK | PAK | 586 | Pakistan | PSQCA | Member body |
| PW | PLW | 585 | Palau | — | |
| PS | PSE | 275 | Palestine | PSI | Correspondent member |
| PA | PAN | 591 | Panama | COPANIT | Member body |
| PG | PNG | 598 | Papua New Guinea | NISIT | Correspondent member |
| PY | PRY | 600 | Paraguay | INTN | Correspondent member |
| PE | PER | 604 | Peru | INDECOPI | Member body |
| PH | PHL | 608 | Philippines | BPS | Member body |
| PL | POL | 616 | Poland | PKN | Member body |
| PT | PRT | 620 | Portugal | IPQ | Member body |
| QA | QAT | 634 | Qatar | QS | Member body |
| KR | KOR | 410 | Republic of Korea | KATS | Member body |
| MD | MDA | 498 | Republic of Moldova | MOLDST | Correspondent member |
| RO | ROU | 642 | Romania | ASRO | Member body |
| RU | RUS | 643 | Russian Federation | GOST R | Member body |
| RW | RWA | 646 | Rwanda | RBS | Member body |
| KN | KNA | 659 | Saint Kitts & Nevis | — | |
| LC | LCA | 662 | Saint Lucia | SLBS | Member body |
| VC | VCT | 670 | Saint Vincent and the Grenadines | SVGBS | Subscriber member |
| WS | WSM | 882 | Samoa | — | |
| SM | SMR | 674 | San Marino | — | |
| ST | STP | 678 | São Tomé & Príncipe | — | |
| SA | SAU | 682 | Saudi Arabia | SASO | Member body |
| SN | SEN | 686 | Senegal | ASN | Member body |
| RS | SRB | 891 | Serbia | ISS | Member body |
| SC | SYC | 690 | Seychelles | SBS | Correspondent member |
| SL | SLE | 694 | Sierra Leone | — | Correspondent member |
| SG | SGP | 702 | Singapore | SPRING SG | Member body |
| SK | SVK | 703 | Slovakia | SUTN | Member body |
| SI | SVN | 705 | Slovenia | SIST | Member body |
| SB | SLB | 090 | Solomon Islands | — | |
| SO | SOM | 706 | Somalia | — | |
| ZA | ZAF | 710 | South Africa | Member body | |
| SS | SSD | 728 | South Sudan | ||
| ES | ESP | 724 | Spain | AENOR | Member body |
| LK | LKA | 144 | Sri Lanka | SLSI | Member body |
| SD | SDN | 729 | Sudan | SSMO | Member body |
| SR | SUR | 740 | Suriname | SSB | Correspondent member |
| SE | SWE | 752 | Sweden | SIS | Member body |
| CH | CHE | 756 | Switzerland | SNV | Member body |
| SY | SYR | 760 | Syrian Arab Republic | SASMO | |
| TW | TWN | 158 | Taiwan | — | |
| TJ | TJK | 762 | Tajikistan | TJKSTN | Correspondent member |
| TH | THA | 764 | Thailand | TISI | Member body |
| MK | MKD | 807 | The Former Yugoslav Republic of Macedonia | ISRM | Member body |
| TL | TLS | 206 | Timor-Leste | — | |
| TG | TGO | 768 | Togo | CSN | |
| TO | TON | 776 | Tonga | — | |
| TT | TTO | 780 | Trinidad and Tobago | TTBS | Member body |
| TN | TUN | 788 | Tunisia | INNORPI | Member body |
| TR | TUR | 792 | Turkey | TSE | Member body |
| TM | TKM | 795 | Turkmenistan | MSST | Correspondent member |
| TV | TUV | 798 | Tuvalu | — | |
| UG | UGA | 800 | Uganda | UNBS | Member body |
| UA | UKR | 804 | Ukraine | DSSU | Member body |
| AE | ARE | 784 | United Arab Emirates | ESMA | Member body |
| GB | GBR | 826 | United Kingdom of Great Britain and Northern Ireland | BSI | Member body |
| TZ | TZA | 834 | United Republic of Tanzania | TBS | Member body |
| US | USA | 840 | United States of America | ANSI | Member body |
| UY | URY | 858 | Uruguay | UNIT | Member body |
| UZ | UZB | 860 | Uzbekistan | UZSTANDARD | Member body |
| VU | VUT | 548 | Vanuatu | — | |
| VA | VAT | 336 | Vatican City | — | |
| VE | VEN | 862 | Venezuela, Bolivarian Republic of | FONDONORMA | |
| VN | VNM | 704 | Vietnam | TCVN | Member body |
| EH | ESH | 732 | Western Sahara | — | |
| YE | YEM | 887 | Yemen | YSMO | Member body |
| ZM | ZMB | 894 | Zambia | ZABS | Correspondent member |
| ZW | ZWE | 816 | Zimbabwe | SAZ | Member body |