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| ISO-3166 alpha2 | ISO-3166 alpha3 | ISO-3166 numeric | fips | Country | Capital | Area in km² | Population | Continent |
|---|---|---|---|---|---|---|---|---|
| AD | AND | 20 | AN | Andorra | Andorra la Vella | 468.0 | 84,000 | EU |
| AE | ARE | 784 | AE | United Arab Emirates | Abu Dhabi | 82,880.0 | 4,621,000 | AS |
| AF | AFG | 4 | AF | Afghanistan | Kabul | 647,500.0 | 32,738,000 | AS |
| AG | ATG | 28 | AC | Antigua and Barbuda | St. John's | 443.0 | 69,000 | NA |
| AI | AIA | 660 | AV | Anguilla | The Valley | 102.0 | 13,254 | NA |
| AL | ALB | 8 | AL | Albania | Tirana | 28,748.0 | 3,619,000 | EU |
| AM | ARM | 51 | AM | Armenia | Yerevan | 29,800.0 | 2,968,000 | AS |
| AN | ANT | 530 | NT | Netherlands Antilles | Willemstad | 960.0 | 136,197 | NA |
| AO | AGO | 24 | AO | Angola | Luanda | 1,246,700.0 | 12,531,000 | AF |
| AQ | ATA | 10 | AY | Antarctica | 14,000,000.0 | 0 | AN | |
| AR | ARG | 32 | AR | Argentina | Buenos Aires | 2,766,890.0 | 40,677,000 | SA |
| AS | ASM | 16 | AQ | American Samoa | Pago Pago | 199.0 | 57,881 | OC |
| AT | AUT | 40 | AU | Austria | Vienna | 83,858.0 | 8,205,000 | EU |
| AU | AUS | 36 | AS | Australia | Canberra | 7,686,850.0 | 20,600,000 | OC |
| AW | ABW | 533 | AA | Aruba | Oranjestad | 193.0 | 71,566 | NA |
| AX | ALA | 248 | Åland Islands | Mariehamn | 26,711 | EU | ||
| AZ | AZE | 31 | AJ | Azerbaijan | Baku | 86,600.0 | 8,177,000 | AS |
| BA | BIH | 70 | BK | Bosnia and Herzegovina | Sarajevo | 51,129.0 | 4,590,000 | EU |
| BB | BRB | 52 | BB | Barbados | Bridgetown | 431.0 | 281,000 | NA |
| BD | BGD | 50 | BG | Bangladesh | Dhaka | 144,000.0 | 153,546,000 | AS |
| BE | BEL | 56 | BE | Belgium | Brussels | 30,510.0 | 10,403,000 | EU |
| BF | BFA | 854 | UV | Burkina Faso | Ouagadougou | 274,200.0 | 14,761,000 | AF |
| BG | BGR | 100 | BU | Bulgaria | Sofia | 110,910.0 | 7,262,000 | EU |
| BH | BHR | 48 | BA | Bahrain | Manama | 665.0 | 718,000 | AS |
| BI | BDI | 108 | BY | Burundi | Bujumbura | 27,830.0 | 8,691,000 | AF |
| BJ | BEN | 204 | BN | Benin | Porto-Novo | 112,620.0 | 8,294,000 | AF |
| BL | BLM | 652 | TB | Saint Barthélemy | Gustavia | 21.0 | 8,450 | NA |
| BM | BMU | 60 | BD | Bermuda | Hamilton | 53.0 | 65,365 | NA |
| BN | BRN | 96 | BX | Brunei | Bandar Seri Begawan | 5,770.0 | 381,000 | AS |
| BO | BOL | 68 | BL | Bolivia | La Paz | 1,098,580.0 | 9,247,000 | SA |
| BR | BRA | 76 | BR | Brazil | Brasília | 8,511,965.0 | 191,908,000 | SA |
| BS | BHS | 44 | BF | Bahamas | Nassau | 13,940.0 | 301,790 | NA |
| BT | BTN | 64 | BT | Bhutan | Thimphu | 47,000.0 | 2,376,000 | AS |
| BV | BVT | 74 | BV | Bouvet Island | 0 | AN | ||
| BW | BWA | 72 | BC | Botswana | Gaborone | 600,370.0 | 1,842,000 | AF |
| BY | BLR | 112 | BO | Belarus | Minsk | 207,600.0 | 9,685,000 | EU |
| BZ | BLZ | 84 | BH | Belize | Belmopan | 22,966.0 | 301,000 | NA |
| CA | CAN | 124 | CA | Canada | Ottawa | 9,984,670.0 | 33,679,000 | NA |
| CC | CCK | 166 | CK | Cocos [Keeling] Islands | West Island | 14.0 | 628 | AS |
| CD | COD | 180 | CG | Congo [DRC] | Kinshasa | 2,345,410.0 | 60,085,004 | AF |
| CF | CAF | 140 | CT | Central African Republic | Bangui | 622,984.0 | 4,434,000 | AF |
| CG | COG | 178 | CF | Congo [Republic] | Brazzaville | 342,000.0 | 3,039,126 | AF |
| CH | CHE | 756 | SZ | Switzerland | Berne | 41,290.0 | 7,581,000 | EU |
| CI | CIV | 384 | IV | Ivory Coast | Yamoussoukro | 322,460.0 | 18,373,000 | AF |
| CK | COK | 184 | CW | Cook Islands | Avarua | 240.0 | 21,388 | OC |
| CL | CHL | 152 | CI | Chile | Santiago | 756,950.0 | 16,432,000 | SA |
| CM | CMR | 120 | CM | Cameroon | Yaoundé | 475,440.0 | 18,467,000 | AF |
| CN | CHN | 156 | CH | China | Beijing | 9,596,960.0 | 1,330,044,000 | AS |
| CO | COL | 170 | CO | Colombia | Bogotá | 1,138,910.0 | 45,013,000 | SA |
| CR | CRI | 188 | CS | Costa Rica | San José | 51,100.0 | 4,191,000 | NA |
| CS | SCG | 891 | YI | Serbia and Montenegro | Belgrade | 102,350.0 | 10,829,175 | EU |
| CU | CUB | 192 | CU | Cuba | Havana | 110,860.0 | 11,423,000 | NA |
| CV | CPV | 132 | CV | Cape Verde | Praia | 4,033.0 | 426,000 | AF |
| CX | CXR | 162 | KT | Christmas Island | Flying Fish Cove | 135.0 | 1,500 | AS |
| CY | CYP | 196 | CY | Cyprus | Nicosia | 9,250.0 | 792,000 | EU |
| CZ | CZE | 203 | EZ | Czech Republic | Prague | 78,866.0 | 10,476,000 | EU |
| DE | DEU | 276 | GM | Germany | Berlin | 357,021.0 | 82,369,000 | EU |
| DJ | DJI | 262 | DJ | Djibouti | Djibouti | 23,000.0 | 506,000 | AF |
| DK | DNK | 208 | DA | Denmark | Copenhagen | 43,094.0 | 5,484,000 | EU |
| DM | DMA | 212 | DO | Dominica | Roseau | 754.0 | 72,000 | NA |
| DO | DOM | 214 | DR | Dominican Republic | Santo Domingo | 48,730.0 | 9,507,000 | NA |
| DZ | DZA | 12 | AG | Algeria | Algiers | 2,381,740.0 | 33,739,000 | AF |
| EC | ECU | 218 | EC | Ecuador | Quito | 283,560.0 | 13,927,000 | SA |
| EE | EST | 233 | EN | Estonia | Tallinn | 45,226.0 | 1,307,000 | EU |
| EG | EGY | 818 | EG | Egypt | Cairo | 1,001,450.0 | 81,713,000 | AF |
| EH | ESH | 732 | WI | Western Sahara | El-Aaiun | 266,000.0 | 273,008 | AF |
| ER | ERI | 232 | ER | Eritrea | Asmara | 121,320.0 | 5,028,000 | AF |
| ES | ESP | 724 | SP | Spain | Madrid | 504,782.0 | 40,491,000 | EU |
| ET | ETH | 231 | ET | Ethiopia | Addis Ababa | 1,127,127.0 | 78,254,000 | AF |
| FI | FIN | 246 | FI | Finland | Helsinki | 337,030.0 | 5,244,000 | EU |
| FJ | FJI | 242 | FJ | Fiji | Suva | 18,270.0 | 931,000 | OC |
| FK | FLK | 238 | FK | Falkland Islands | Stanley | 12,173.0 | 2,638 | SA |
| FM | FSM | 583 | FM | Micronesia | Palikir | 702.0 | 108,105 | OC |
| FO | FRO | 234 | FO | Faroe Islands | Tórshavn | 1,399.0 | 48,228 | EU |
| FR | FRA | 250 | FR | France | Paris | 547,030.0 | 64,094,000 | EU |
| GA | GAB | 266 | GB | Gabon | Libreville | 267,667.0 | 1,484,000 | AF |
| GB | GBR | 826 | UK | United Kingdom | London | 244,820.0 | 60,943,000 | EU |
| GD | GRD | 308 | GJ | Grenada | St. George's | 344.0 | 100,000 | NA |
| GE | GEO | 268 | GG | Georgia | Tbilisi | 69,700.0 | 4,630,000 | AS |
| GF | GUF | 254 | FG | French Guiana | Cayenne | 91,000.0 | 195,506 | SA |
| GG | GGY | 831 | GK | Guernsey | St Peter Port | 78.0 | 65,228 | EU |
| GH | GHA | 288 | GH | Ghana | Accra | 239,460.0 | 23,382,000 | AF |
| GI | GIB | 292 | GI | Gibraltar | Gibraltar | 6.5 | 27,884 | EU |
| GL | GRL | 304 | GL | Greenland | Nuuk | 2,166,086.0 | 56,375 | NA |
| GM | GMB | 270 | GA | Gambia | Banjul | 11,300.0 | 1,593,256 | AF |
| GN | GIN | 324 | GV | Guinea | Conakry | 245,857.0 | 10,211,000 | AF |
| GP | GLP | 312 | GP | Guadeloupe | Basse-Terre | 1,780.0 | 443,000 | NA |
| GQ | GNQ | 226 | EK | Equatorial Guinea | Malabo | 28,051.0 | 1,014,999 | AF |
| GR | GRC | 300 | GR | Greece | Athens | 131,940.0 | 11,000,000 | EU |
| GS | SGS | 239 | SX | South Georgia and the South Sandwich Islands | Grytviken | 3,903.0 | 30 | AN |
| GT | GTM | 320 | GT | Guatemala | Guatemala City | 108,890.0 | 13,002,000 | NA |
| GU | GUM | 316 | GQ | Guam | Hagåtña | 549.0 | 168,564 | OC |
| GW | GNB | 624 | PU | Guinea-Bissau | Bissau | 36,120.0 | 1,503,000 | AF |
| GY | GUY | 328 | GY | Guyana | Georgetown | 214,970.0 | 770,000 | SA |
| HK | HKG | 344 | HK | Hong Kong | Hong Kong | 1,092.0 | 6,898,686 | AS |
| HM | HMD | 334 | HM | Heard Island and McDonald Islands | 412.0 | 0 | AN | |
| HN | HND | 340 | HO | Honduras | Tegucigalpa | 112,090.0 | 7,639,000 | NA |
| HR | HRV | 191 | HR | Croatia | Zagreb | 56,542.0 | 4,491,000 | EU |
| HT | HTI | 332 | HA | Haiti | Port-au-Prince | 27,750.0 | 8,924,000 | NA |
| HU | HUN | 348 | HU | Hungary | Budapest | 93,030.0 | 9,930,000 | EU |
| ID | IDN | 360 | ID | Indonesia | Jakarta | 1,919,440.0 | 237,512,000 | AS |
| IE | IRL | 372 | EI | Ireland | Dublin | 70,280.0 | 4,156,000 | EU |
| IL | ISR | 376 | IS | Israel | Jerusalem | 20,770.0 | 6,500,000 | AS |
| IM | IMN | 833 | IM | Isle of Man | Douglas, Isle of Man | 572.0 | 75,049 | EU |
| IN | IND | 356 | IN | India | New Delhi | 3,287,590.0 | 1,147,995,000 | AS |
| IO | IOT | 86 | IO | British Indian Ocean Territory | Diego Garcia | 60.0 | 0 | AS |
| IQ | IRQ | 368 | IZ | Iraq | Baghdad | 437,072.0 | 28,221,000 | AS |
| IR | IRN | 364 | IR | Iran | Tehran | 1,648,000.0 | 65,875,000 | AS |
| IS | ISL | 352 | IC | Iceland | Reykjavík | 103,000.0 | 304,000 | EU |
| IT | ITA | 380 | IT | Italy | Rome | 301,230.0 | 58,145,000 | EU |
| JE | JEY | 832 | JE | Jersey | Saint Helier | 116.0 | 90,812 | EU |
| JM | JAM | 388 | JM | Jamaica | Kingston | 10,991.0 | 2,801,000 | NA |
| JO | JOR | 400 | JO | Jordan | Amman | 92,300.0 | 6,198,000 | AS |
| JP | JPN | 392 | JA | Japan | Tokyo | 377,835.0 | 127,288,000 | AS |
| KE | KEN | 404 | KE | Kenya | Nairobi | 582,650.0 | 37,953,000 | AF |
| KG | KGZ | 417 | KG | Kyrgyzstan | Bishkek | 198,500.0 | 5,356,000 | AS |
| KH | KHM | 116 | CB | Cambodia | Phnom Penh | 181,040.0 | 14,241,000 | AS |
| KI | KIR | 296 | KR | Kiribati | South Tarawa | 811.0 | 110,000 | OC |
| KM | COM | 174 | CN | Comoros | Moroni | 2,170.0 | 731,000 | AF |
| KN | KNA | 659 | SC | Saint Kitts and Nevis | Basseterre | 261.0 | 39,000 | NA |
| KP | PRK | 408 | KN | North Korea | Pyongyang | 120,540.0 | 22,912,177 | AS |
| KR | KOR | 410 | KS | South Korea | Seoul | 98,480.0 | 48,422,644 | AS |
| KW | KWT | 414 | KU | Kuwait | Kuwait City | 17,820.0 | 2,596,000 | AS |
| KY | CYM | 136 | CJ | Cayman Islands | George Town | 262.0 | 44,270 | NA |
| KZ | KAZ | 398 | KZ | Kazakhstan | Astana | 2,717,300.0 | 15,340,000 | AS |
| LA | LAO | 418 | LA | Laos | Vientiane | 236,800.0 | 6,677,000 | AS |
| LB | LBN | 422 | LE | Lebanon | Beirut | 10,400.0 | 3,971,000 | AS |
| LC | LCA | 662 | ST | Saint Lucia | Castries | 616.0 | 172,000 | NA |
| LI | LIE | 438 | LS | Liechtenstein | Vaduz | 160.0 | 35,000 | EU |
| LK | LKA | 144 | CE | Sri Lanka | Colombo | 65,610.0 | 21,128,000 | AS |
| LR | LBR | 430 | LI | Liberia | Monrovia | 111,370.0 | 3,334,000 | AF |
| LS | LSO | 426 | LT | Lesotho | Maseru | 30,355.0 | 2,128,000 | AF |
| LT | LTU | 440 | LH | Lithuania | Vilnius | 65,200.0 | 3,565,000 | EU |
| LU | LUX | 442 | LU | Luxembourg | Luxembourg | 2,586.0 | 486,000 | EU |
| LV | LVA | 428 | LG | Latvia | Riga | 64,589.0 | 2,245,000 | EU |
| LY | LBY | 434 | LY | Libya | Tripolis | 1,759,540.0 | 6,173,000 | AF |
| MA | MAR | 504 | MO | Morocco | Rabat | 446,550.0 | 34,272,000 | AF |
| MC | MCO | 492 | MN | Monaco | Monaco | 2.0 | 32,965 | EU |
| MD | MDA | 498 | MD | Moldova | Chişinău | 33,843.0 | 4,324,000 | EU |
| ME | MNE | 499 | MJ | Montenegro | Podgorica | 14,026.0 | 678,000 | EU |
| MF | MAF | 663 | RN | Saint Martin | Marigot | 53.0 | 35,925 | NA |
| MG | MDG | 450 | MA | Madagascar | Antananarivo | 587,040.0 | 20,042,000 | AF |
| MH | MHL | 584 | RM | Marshall Islands | Uliga | 181.3 | 65,859 | OC |
| MK | MKD | 807 | MK | Macedonia | Skopje | 25,333.0 | 2,061,000 | EU |
| ML | MLI | 466 | ML | Mali | Bamako | 1,240,000.0 | 12,324,000 | AF |
| MM | MMR | 104 | BM | Myanmar [Burma] | Yangon | 678,500.0 | 47,758,000 | AS |
| MN | MNG | 496 | MG | Mongolia | Ulan Bator | 1,565,000.0 | 2,996,000 | AS |
| MO | MAC | 446 | MC | Macau | Macao | 254.0 | 449,198 | AS |
| MP | MNP | 580 | CQ | Northern Mariana Islands | Saipan | 477.0 | 80,362 | OC |
| MQ | MTQ | 474 | MB | Martinique | Fort-de-France | 1,100.0 | 432,900 | NA |
| MR | MRT | 478 | MR | Mauritania | Nouakchott | 1,030,700.0 | 3,364,000 | AF |
| MS | MSR | 500 | MH | Montserrat | Plymouth | 102.0 | 9,341 | NA |
| MT | MLT | 470 | MT | Malta | Valletta | 316.0 | 403,000 | EU |
| MU | MUS | 480 | MP | Mauritius | Port Louis | 2,040.0 | 1,260,000 | AF |
| MV | MDV | 462 | MV | Maldives | Malé | 300.0 | 379,000 | AS |
| MW | MWI | 454 | MI | Malawi | Lilongwe | 118,480.0 | 13,931,000 | AF |
| MX | MEX | 484 | MX | Mexico | Mexico City | 1,972,550.0 | 109,955,000 | NA |
| MY | MYS | 458 | MY | Malaysia | Kuala Lumpur | 329,750.0 | 25,259,000 | AS |
| MZ | MOZ | 508 | MZ | Mozambique | Maputo | 801,590.0 | 21,284,000 | AF |
| NA | NAM | 516 | WA | Namibia | Windhoek | 825,418.0 | 2,063,000 | AF |
| NC | NCL | 540 | NC | New Caledonia | Nouméa | 19,060.0 | 216,494 | OC |
| NE | NER | 562 | NG | Niger | Niamey | 1,267,000.0 | 13,272,000 | AF |
| NF | NFK | 574 | NF | Norfolk Island | Kingston | 34.6 | 1,828 | OC |
| NG | NGA | 566 | NI | Nigeria | Abuja | 923,768.0 | 154,000,000 | AF |
| NI | NIC | 558 | NU | Nicaragua | Managua | 129,494.0 | 5,780,000 | NA |
| NL | NLD | 528 | NL | Netherlands | Amsterdam | 41,526.0 | 16,645,000 | EU |
| NO | NOR | 578 | NO | Norway | Oslo | 324,220.0 | 4,813,000 | EU |
| NP | NPL | 524 | NP | Nepal | Kathmandu | 140,800.0 | 29,519,000 | AS |
| NR | NRU | 520 | NR | Nauru | Yaren | 21.0 | 13,000 | OC |
| NU | NIU | 570 | NE | Niue | Alofi | 260.0 | 2,166 | OC |
| NZ | NZL | 554 | NZ | New Zealand | Wellington | 268,680.0 | 4,154,000 | OC |
| OM | OMN | 512 | MU | Oman | Muscat | 212,460.0 | 3,309,000 | AS |
| PA | PAN | 591 | PM | Panama | Panama City | 78,200.0 | 3,292,000 | NA |
| PE | PER | 604 | PE | Peru | Lima | 1,285,220.0 | 29,041,000 | SA |
| PF | PYF | 258 | FP | French Polynesia | Papeete | 4,167.0 | 270,485 | OC |
| PG | PNG | 598 | PP | Papua New Guinea | Port Moresby | 462,840.0 | 5,921,000 | OC |
| PH | PHL | 608 | RP | Philippines | Manila | 300,000.0 | 92,681,000 | AS |
| PK | PAK | 586 | PK | Pakistan | Islamabad | 803,940.0 | 167,762,000 | AS |
| PL | POL | 616 | PL | Poland | Warsaw | 312,685.0 | 38,500,000 | EU |
| PM | SPM | 666 | SB | Saint Pierre and Miquelon | Saint-Pierre | 242.0 | 7,012 | NA |
| PN | PCN | 612 | PC | Pitcairn Islands | Adamstown | 47.0 | 46 | OC |
| PR | PRI | 630 | RQ | Puerto Rico | San Juan | 9,104.0 | 3,916,632 | NA |
| PS | PSE | 275 | WE | Palestinian Territories | East Jerusalem | 5,970.0 | 3,800,000 | AS |
| PT | PRT | 620 | PO | Portugal | Lisbon | 92,391.0 | 10,676,000 | EU |
| PW | PLW | 585 | PS | Palau | Koror | 458.0 | 20,303 | OC |
| PY | PRY | 600 | PA | Paraguay | Asunción | 406,750.0 | 6,831,000 | SA |
| QA | QAT | 634 | QA | Qatar | Doha | 11,437.0 | 928,000 | AS |
| RE | REU | 638 | RE | Réunion | Saint-Denis | 2,517.0 | 776,948 | AF |
| RO | ROU | 642 | RO | Romania | Bucharest | 237,500.0 | 22,246,000 | EU |
| RS | SRB | 688 | RI | Serbia | Belgrade | 88,361.0 | 10,159,000 | EU |
| RU | RUS | 643 | RS | Russia | Moscow | 17,100,000.0 | 140,702,000 | EU |
| RW | RWA | 646 | RW | Rwanda | Kigali | 26,338.0 | 10,186,000 | AF |
| SA | SAU | 682 | SA | Saudi Arabia | Riyadh | 1,960,582.0 | 28,161,000 | AS |
| SB | SLB | 90 | BP | Solomon Islands | Honiara | 28,450.0 | 581,000 | OC |
| SC | SYC | 690 | SE | Seychelles | Victoria | 455.0 | 82,000 | AF |
| SD | SDN | 736 | SU | Sudan | Khartoum | 2,505,810.0 | 40,218,000 | AF |
| SE | SWE | 752 | SW | Sweden | Stockholm | 449,964.0 | 9,045,000 | EU |
| SG | SGP | 702 | SN | Singapore | Singapur | 692.7 | 4,608,000 | AS |
| SH | SHN | 654 | SH | Saint Helena | Jamestown | 410.0 | 7,460 | AF |
| SI | SVN | 705 | SI | Slovenia | Ljubljana | 20,273.0 | 2,007,000 | EU |
| SJ | SJM | 744 | SV | Svalbard and Jan Mayen | Longyearbyen | 62,049.0 | 2,265 | EU |
| SK | SVK | 703 | LO | Slovakia | Bratislava | 48,845.0 | 5,455,000 | EU |
| SL | SLE | 694 | SL | Sierra Leone | Freetown | 71,740.0 | 6,286,000 | AF |
| SM | SMR | 674 | SM | San Marino | San Marino | 61.2 | 29,000 | EU |
| SN | SEN | 686 | SG | Senegal | Dakar | 196,190.0 | 12,853,000 | AF |
| SO | SOM | 706 | SO | Somalia | Mogadishu | 637,657.0 | 9,379,000 | AF |
| SR | SUR | 740 | NS | Suriname | Paramaribo | 163,270.0 | 492,829 | SA |
| ST | STP | 678 | TP | São Tomé and Príncipe | São Tomé | 1,001.0 | 205,000 | AF |
| SV | SLV | 222 | ES | El Salvador | San Salvador | 21,040.0 | 7,066,000 | NA |
| SY | SYR | 760 | SY | Syria | Damascus | 185,180.0 | 19,747,000 | AS |
| SZ | SWZ | 748 | WZ | Swaziland | Mbabane | 17,363.0 | 1,128,000 | AF |
| TC | TCA | 796 | TK | Turks and Caicos Islands | Cockburn Town | 430.0 | 20,556 | NA |
| TD | TCD | 148 | CD | Chad | N'Djamena | 1,284,000.0 | 10,111,000 | AF |
| TF | ATF | 260 | FS | French Southern Territories | Martin-de-Viviès | 7,829.0 | 140 | AN |
| TG | TGO | 768 | TO | Togo | Lomé | 56,785.0 | 5,858,000 | AF |
| TH | THA | 764 | TH | Thailand | Bangkok | 514,000.0 | 65,493,000 | AS |
| TJ | TJK | 762 | TI | Tajikistan | Dushanbe | 143,100.0 | 7,211,000 | AS |
| TK | TKL | 772 | TL | Tokelau | 10.0 | 1,405 | OC | |
| TL | TLS | 626 | TT | East Timor | Dili | 15,007.0 | 1,107,000 | OC |
| TM | TKM | 795 | TX | Turkmenistan | Ashgabat | 488,100.0 | 5,179,000 | AS |
| TN | TUN | 788 | TS | Tunisia | Tunis | 163,610.0 | 10,378,000 | AF |
| TO | TON | 776 | TN | Tonga | Nuku'alofa | 748.0 | 118,000 | OC |
| TR | TUR | 792 | TU | Turkey | Ankara | 780,580.0 | 71,892,000 | AS |
| TT | TTO | 780 | TD | Trinidad and Tobago | Port of Spain | 5,128.0 | 1,047,000 | NA |
| TV | TUV | 798 | TV | Tuvalu | Vaiaku | 26.0 | 12,000 | OC |
| TW | TWN | 158 | TW | Taiwan | Taipei | 35,980.0 | 22,894,384 | AS |
| TZ | TZA | 834 | TZ | Tanzania | Dodoma | 945,087.0 | 40,213,000 | AF |
| UA | UKR | 804 | UP | Ukraine | Kiev | 603,700.0 | 45,994,000 | EU |
| UG | UGA | 800 | UG | Uganda | Kampala | 236,040.0 | 31,367,000 | AF |
| UM | UMI | 581 | U.S. Minor Outlying Islands | 0.0 | 0 | OC | ||
| US | USA | 840 | US | United States | Washington | 9,629,091.0 | 303,824,000 | NA |
| UY | URY | 858 | UY | Uruguay | Montevideo | 176,220.0 | 3,477,000 | SA |
| UZ | UZB | 860 | UZ | Uzbekistan | Tashkent | 447,400.0 | 28,268,000 | AS |
| VA | VAT | 336 | VT | Vatican City | Vatican City | 0.4 | 921 | EU |
| VC | VCT | 670 | VC | Saint Vincent and the Grenadines | Kingstown | 389.0 | 117,534 | NA |
| VE | VEN | 862 | VE | Venezuela | Caracas | 912,050.0 | 26,414,000 | SA |
| VG | VGB | 92 | VI | British Virgin Islands | Road Town | 153.0 | 21,730 | NA |
| VI | VIR | 850 | VQ | U.S. Virgin Islands | Charlotte Amalie | 352.0 | 108,708 | NA |
| VN | VNM | 704 | VM | Vietnam | Hanoi | 329,560.0 | 86,116,000 | AS |
| VU | VUT | 548 | NH | Vanuatu | Port Vila | 12,200.0 | 215,000 | OC |
| WF | WLF | 876 | WF | Wallis and Futuna | Matâ'Utu | 274.0 | 16,025 | OC |
| WS | WSM | 882 | WS | Samoa | Apia | 2,944.0 | 217,000 | OC |
| XK | XKX | 000 | KV | Kosovo | Priština | 1,800,000 | EU | |
| YE | YEM | 887 | YM | Yemen | San‘a’ | 527,970.0 | 23,013,000 | AS |
| YT | MYT | 175 | MF | Mayotte | Mamoudzou | 374.0 | 159,042 | AF |
| ZA | ZAF | 710 | SF | South Africa | Pretoria | 1,219,912.0 | 49,000,000 | AF |
| ZM | ZMB | 894 | ZA | Zambia | Lusaka | 752,614.0 | 11,669,000 | AF |
| ZW | ZWE | 716 | ZI | Zimbabwe | Harare | 390,580.0 | 12,382,000 | AF |