Explanation of variable:
Country or region of birth
Format of data:
character (1-3 letter/numeric codes). see coding table for valid codings.
Region codes & country codes
Region Codes
UN Region Codes - Composition of macro geographical (continental) regions, geographical sub-regions, and selected economic and other groupings
| 001 | World |
| 002 | Africa |
| 005 | - - South America |
| 009 | Oceania |
| 011 | - Western Africa |
| 013 | - - Central America |
| 014 | - Eastern Africa |
| 015 | - Northern Africa |
| 017 | - Middle Africa |
| 018 | - Southern Africa |
| 019 | Americas |
| 021 | - Northern America |
| 029 | - - Caribbean |
| 030 | - Eastern Asia |
| 034 | - Southern Asia |
| 035 | - South-Eastern Asia |
| 039 | - Southern Europe |
| 053 | - Australia and New Zealand |
| 054 | - Melanesia |
| 057 | - Micronesia |
| 061 | - Polynesia |
| 142 | Asia |
| 143 | - Central Asia |
| 145 | - Western Asia |
| 150 | Europe |
| 151 | - Eastern Europe |
| 154 | - Northern Europe |
| 155 | - Western Europe |
| 419 | - Latin America and the Caribbean |
Country Codes
UN Country Codes - Countries or areas, codes and abbreviations, including translation from ISO ALPHA-3 codes.
| Republic of Kosovo | |
| 100 | Bulgaria | BGR |
| 104 | Myanmar | MMR |
| 108 | Burundi | BDI |
| 112 | Belarus | BLR |
| 116 | Cambodia | KHM |
| 12 | Algeria | DZA |
| 120 | Cameroon | CMR |
| 124 | Canada | CAN |
| 132 | Cape Verde | CPV |
| 136 | Cayman Islands | CYM |
| 140 | Central African Republic | CAF |
| 144 | Sri Lanka | LKA |
| 148 | Chad | TCD |
| 152 | Chile | CHL |
| 156 | China | CHN |
| 16 | American Samoa | ASM |
| 170 | Colombia | COL |
| 174 | Comoros | COM |
| 175 | Mayotte | MYT |
| 178 | Congo | COG |
| 180 | Democratic Republic of the Congo | COD |
| 184 | Cook Islands | COK |
| 188 | Costa Rica | CRI |
| 191 | Croatia | HRV |
| 192 | Cuba | CUB |
| 196 | Cyprus | CYP |
| 20 | Andorra | AND |
| 203 | Czech Republic | CZE |
| 204 | Benin | BEN |
| 208 | Denmark | DNK |
| 212 | Dominica | DMA |
| 214 | Dominican Republic | DOM |
| 218 | Ecuador | ECU |
| 222 | El Salvador | SLV |
| 226 | Equatorial Guinea | GNQ |
| 231 | Ethiopia | ETH |
| 232 | Eritrea | ERI |
| 233 | Estonia | EST |
| 234 | Faeroe Islands | FRO |
| 238 | Falkland Islands (Malvinas) | FLK |
| 24 | Angola | AGO |
| 242 | Fiji | FJI |
| 246 | Finland | FIN |
| 248 | Åland Islands | ALA |
| 250 | France | FRA |
| 254 | French Guiana | GUF |
| 258 | French Polynesia | PYF |
| 262 | Djibouti | DJI |
| 266 | Gabon | GAB |
| 268 | Georgia | GEO |
| 270 | Gambia | GMB |
| 275 | Occupied Palestinian Territory | PSE |
| 276 | Germany | DEU |
| 28 | Antigua and Barbuda | ATG |
| 288 | Ghana | GHA |
| 292 | Gibraltar | GIB |
| 296 | Kiribati | KIR |
| 300 | Greece | GRC |
| 304 | Greenland | GRL |
| 308 | Grenada | GRD |
| 31 | Azerbaijan | AZE |
| 312 | Guadeloupe | GLP |
| 316 | Guam | GUM |
| 32 | Argentina | ARG |
| 320 | Guatemala | GTM |
| 324 | Guinea | GIN |
| 328 | Guyana | GUY |
| 332 | Haiti | HTI |
| 336 | Holy See | VAT |
| 340 | Honduras | HND |
| 344 | China, Hong Kong Special Administrative Region | HKG |
| 348 | Hungary | HUN |
| 352 | Iceland | ISL |
| 356 | India | IND |
| 36 | Australia | AUS |
| 360 | Indonesia | IDN |
| 364 | Iran (Islamic Republic of) | IRN |
| 368 | Iraq | IRQ |
| 372 | Ireland | IRL |
| 376 | Israel | ISR |
| 380 | Italy | ITA |
| 384 | Côte d'Ivoire | CIV |
| 388 | Jamaica | JAM |
| 392 | Japan | JPN |
| 398 | Kazakhstan | KAZ |
| 4 | Afghanistan | AFG |
| 40 | Austria | AUT |
| 400 | Jordan | JOR |
| 404 | Kenya | KEN |
| 408 | Democratic People's Republic of Korea | PRK |
| 410 | Republic of Korea | KOR |
| 414 | Kuwait | KWT |
| 417 | Kyrgyzstan | KGZ |
| 418 | Lao People's Democratic Republic | LAO |
| 422 | Lebanon | LBN |
| 426 | Lesotho | LSO |
| 428 | Latvia | LVA |
| 430 | Liberia | LBR |
| 434 | Libya | LBY |
| 438 | Liechtenstein | LIE |
| 44 | Bahamas | BHS |
| 440 | Lithuania | LTU |
| 442 | Luxembourg | LUX |
| 446 | China, Macao Special Administrative Region | MAC |
| 450 | Madagascar | MDG |
| 454 | Malawi | MWI |
| 458 | Malaysia | MYS |
| 462 | Maldives | MDV |
| 466 | Mali | MLI |
| 470 | Malta | MLT |
| 474 | Martinique | MTQ |
| 478 | Mauritania | MRT |
| 48 | Bahrain | BHR |
| 480 | Mauritius | MUS |
| 484 | Mexico | MEX |
| 492 | Monaco | MCO |
| 496 | Mongolia | MNG |
| 498 | Republic of Moldova | MDA |
| 499 | Montenegro | MNE |
| 50 | Bangladesh | BGD |
| 500 | Montserrat | MSR |
| 504 | Morocco | MAR |
| 508 | Mozambique | MOZ |
| 51 | Armenia | ARM |
| 512 | Oman | OMN |
| 516 | Namibia | NAM |
| 52 | Barbados | BRB |
| 520 | Nauru | NRU |
| 524 | Nepal | NPL |
| 528 | Netherlands | NLD |
| 531 | Curaçao | CUW |
| 533 | Aruba | ABW |
| 534 | Sint Maarten (Dutch part) | SXM |
| 535 | Bonaire, Saint Eustatius and Saba | BES |
| 540 | New Caledonia | NCL |
| 548 | Vanuatu | VUT |
| 554 | New Zealand | NZL |
| 558 | Nicaragua | NIC |
| 56 | Belgium | BEL |
| 562 | Niger | NER |
| 566 | Nigeria | NGA |
| 570 | Niue | NIU |
| 574 | Norfolk Island | NFK |
| 578 | Norway | NOR |
| 580 | Northern Mariana Islands | MNP |
| 583 | Micronesia (Federated States of) | FSM |
| 584 | Marshall Islands | MHL |
| 585 | Palau | PLW |
| 586 | Pakistan | PAK |
| 591 | Panama | PAN |
| 598 | Papua New Guinea | PNG |
| 60 | Bermuda | BMU |
| 600 | Paraguay | PRY |
| 604 | Peru | PER |
| 608 | Philippines | PHL |
| 612 | Pitcairn | PCN |
| 616 | Poland | POL |
| 620 | Portugal | PRT |
| 624 | Guinea-Bissau | GNB |
| 626 | Timor-Leste | TLS |
| 630 | Puerto Rico | PRI |
| 634 | Qatar | QAT |
| 638 | Réunion | REU |
| 64 | Bhutan | BTN |
| 642 | Romania | ROU |
| 643 | Russian Federation | RUS |
| 646 | Rwanda | RWA |
| 652 | Saint-Barthélemy | BLM |
| 654 | Saint Helena | SHN |
| 659 | Saint Kitts and Nevis | KNA |
| 660 | Anguilla | AIA |
| 662 | Saint Lucia | LCA |
| 663 | Saint-Martin (French part) | MAF |
| 666 | Saint Pierre and Miquelon | SPM |
| 670 | Saint Vincent and the Grenadines | VCT |
| 674 | San Marino | SMR |
| 678 | Sao Tome and Principe | STP |
| 68 | Bolivia (Plurinational State of) | BOL |
| 680 | Sark | |
| 682 | Saudi Arabia | SAU |
| 686 | Senegal | SEN |
| 688 | Serbia | SRB |
| 690 | Seychelles | SYC |
| 694 | Sierra Leone | SLE |
| 70 | Bosnia and Herzegovina | BIH |
| 702 | Singapore | SGP |
| 703 | Slovakia | SVK |
| 704 | Viet Nam | VNM |
| 705 | Slovenia | SVN |
| 706 | Somalia | SOM |
| 710 | South Africa | ZAF |
| 716 | Zimbabwe | ZWE |
| 72 | Botswana | BWA |
| 724 | Spain | ESP |
| 728 | South Sudan | SSD |
| 729 | Sudan | SDN |
| 732 | Western Sahara | ESH |
| 740 | Suriname | SUR |
| 744 | Svalbard and Jan Mayen Islands | SJM |
| 748 | Swaziland | SWZ |
| 752 | Sweden | SWE |
| 756 | Switzerland | CHE |
| 76 | Brazil | BRA |
| 760 | Syrian Arab Republic | SYR |
| 762 | Tajikistan | TJK |
| 764 | Thailand | THA |
| 768 | Togo | TGO |
| 772 | Tokelau | TKL |
| 776 | Tonga | TON |
| 780 | Trinidad and Tobago | TTO |
| 784 | United Arab Emirates | ARE |
| 788 | Tunisia | TUN |
| 792 | Turkey | TUR |
| 795 | Turkmenistan | TKM |
| 796 | Turks and Caicos Islands | TCA |
| 798 | Tuvalu | TUV |
| 8 | Albania | ALB |
| 800 | Uganda | UGA |
| 804 | Ukraine | UKR |
| 807 | The former Yugoslav Republic of Macedonia | MKD |
| 818 | Egypt | EGY |
| 826 | United Kingdom of Great Britain and Northern Ireland | GBR |
| 830 | Channel Islands | |
| 831 | Guernsey | GGY |
| 832 | Jersey | JEY |
| 833 | Isle of Man | IMN |
| 834 | United Republic of Tanzania | TZA |
| 84 | Belize | BLZ |
| 840 | United States of America | USA |
| 850 | United States Virgin Islands | VIR |
| 854 | Burkina Faso | BFA |
| 858 | Uruguay | URY |
| 860 | Uzbekistan | UZB |
| 862 | Venezuela (Bolivarian Republic of) | VEN |
| 876 | Wallis and Futuna Islands | WLF |
| 882 | Samoa | WSM |
| 887 | Yemen | YEM |
| 894 | Zambia | ZMB |
| 90 | Solomon Islands | SLB |
| 92 | British Virgin Islands | VGB |
| 96 | Brunei Darussalam | BRN |