Lists data fields that differ from the last major version (see versions above). Inherited differences in locales are suppressed, except where the source locales are different.
| Section | Page | Header | Code | Locale | Old | New | Level |
| Core Data | Alphabetic Information | Characters in Use | Main Letters | sms | [] | [a-pr-vzâäåõčđŋšžǥǧǩǯʒ] | core |
| Others: auxiliary | [qw-yö] |
| Others: index | [A-PR-VZÂÄÅÕČĐŊŠŽƷǤǦǨǮ] | moderate |
| Others: numbers | …[\-.\u2011]… | …[\u202F\u2212]… | core |
| Others: punctuation | …[\{\}]… | …[#\&*/@\\\u00A7\u00BB\u2010\u2013\u2019\u201D\u2026]… |
| Locale Display Names | Languages (A-D) | A | Arabic ► ar | ar | arabia | moderate |
| Arabic ► ar_001 | ar_001 | arabia (Skääđsuâl) |
| B | Bangla ► bn | bn | bengal |
| C | Chinese ► zh | zh | ǩiinaǩiõll |
| Chinese ► zh_Hans | zh (Hans) | pråstjum ǩiinaǩiõll |
| Chinese ► zh_Hant | zh (Hant) | äʹrbbvuõđlaž ǩiinǩiõll |
| Czech ► cs | cs | čekk-ǩiõll |
| D | Danish ► da | da | danskk-ǩiõll |
| Dutch ► nl | nl | hollanttǩiõll |
| Dutch ► nl_BE | nl (BE) | flaamǩiõll |
| Languages (E-J) | E | English ► en | en | eŋgglõsǩiõll | basic |
| English ► en_AU | en (AU) | australiaeŋgglõsǩiõll | moderate |
| English ► en_CA | en (CA) | kanadaeŋgglõsǩiõll |
| English ► en_GB | en (GB) | britanneŋgglõsǩiõll |
| English ► en_US | en (US) | aʹmmriikkeŋgglõsǩiõll |
| Estonian ► et | et | eeʹstt |
| F | Finnish ► fi | fi | lääʹddǩiõll |
| French ► fr | fr | franskk-kiõll |
| French ► fr_CA | fr (CA) | kanadafranskk-ǩiõll |
| French ► fr_CH | fr (CH) | sveiccfranskk-ǩiõll |
| G | German ► de | de | sakslaǩiõl |
| H | Hindi ► hi | hi | hindiǩiõll | modern |
| Hungarian ► hu | hu | uŋŋar | moderate |
| I | Indonesian ► id | id | indonesia |
| Italian ► it | it | italia |
| J | Japanese ► ja | ja | jaappanǩiõll |
| Languages (K-N) | K | Korean ► ko | ko | koreaǩiõll |
| L | Latvian ► lv | lv | latviaǩiõll |
| Languages (O-S) | P | Polish ► pl | pl | puolaǩiõll |
| Portuguese ► pt | pt | portugalkiõll |
| R | Russian ► ru | ru | ruõšš |
| S | Skolt Sami ► sms | sms | sääʹmǩiõll | basic |
| Spanish ► es | es | espaanǩiõll | moderate |
| Swedish ► sv | sv | ruõccǩiõll |
| Languages (T-Z) | T | Thai ► th | th | thaiǩiõll |
| Geographic Regions | world | 001 | 001 | Skääđsuâl |
| 019 | 019 | Amerikk |
| 002 | 002 | Afrikk |
| 150 | 150 | Europp |
| 142 | 142 | Aasia |
| 009 | 009 | Oseania |
| EU | EU | Euroopp Union |
| UN | UN | Õhttõõvvâm meerkååʹdd |
| Americas | 003 | 003 | Taʹvv-Amerikk |
| 013 | 013 | Kõskk-Amerikk |
| 029 | 029 | Karibia |
| 005 | 005 | Saujj-Amerikk |
| Africa | 015 | 015 | Tâʹvv-Afrikk |
| 011 | 011 | Viõstâr-Afrikk |
| 017 | 017 | Kõskk-Afrikk |
| 014 | 014 | Nuõrti-Afrikk |
| Europe | 154 | 154 | Tâʹvv-Europp |
| 155 | 155 | Viõstâr-Europp |
| 151 | 151 | Nuõrti-Europp |
| 039 | 039 | Saujj-Europp |
| Asia | 145 | 145 | Viõstâr-Aasia |
| 143 | 143 | Kõskk-Aasia |
| 030 | 030 | Nuõrti-Aasia |
| 034 | 034 | Saujj-Aasia |
| 035 | 035 | Ooʹbbdneǩ-Aasia |
| Oceania | 054 | 054 | Melanesia |
| 061 | 061 | Polynesia |
| Territories (North America) | Northern America | BM | BM | Bermuda |
| CA | CA | Kanada |
| GL | GL | Ruânnjânnam |
| US | US | Õhttõsvaldia |
| Central America | BZ | BZ | Belizejânnam |
| GT | GT | Guatemala |
| HN | HN | Honduras |
| MX | MX | Meksikk |
| NI | NI | Nicaragua |
| PA | PA | Panama |
| SV | SV | El Salvador |
| Caribbean | AG | AG | Antigua da Bardudasuõllu |
| AI | AI | Aŋguillasuõllu |
| AW | AW | Aruba |
| BB | BB | Barbados |
| BL | BL | Saint-Barthélemysuâl |
| BQ | BQ | Karibia Vueʹlljânnam |
| BS | BS | Bahammasuõllu |
| CU | CU | Kuubajânnam |
| CW | CW | Curacaosuâl |
| DM | DM | Dominica |
| DO | DO | Dominikaallaž tääʹssväʹldd |
| GD | GD | Grenada |
| GP | GP | Guadeloupesuõllu |
| HT | HT | Haitisuâl |
| JM | JM | Jamaikka |
| KN | KN | Saint Kitts da Nevissuõllu |
| KY | KY | Caymansuõllu |
| LC | LC | Saint Luciasuâl |
| MF | MF | Saint-Martiin |
| MQ | MQ | Martiniikk |
| MS | MS | Montserratsuâl |
| PR | PR | Puerto Rico suâl |
| SX | SX | Sint Maarten |
| TT | TT | Trinidad da Tobagosuâl |
| Territories (South America) | South America | BO | BO | Bolivia |
| BR | BR | Brasilla |
| CO | CO | Kolumbia |
| EC | EC | Ecuador |
| PE | PE | Perujânnam |
| SR | SR | Surinaam |
| UY | UY | Uruguayjânnam |
| VE | VE | Venezuela |
| Territories (Africa) | Northern Africa | DZ | DZ | Algeria |
| EG | EG | Egyptt |
| EH | EH | Viõstâr-Sahara |
| LY | LY | Libya |
| MA | MA | Marokkojânnam |
| SD | SD | Sudaan |
| TN | TN | Tunisia |
| EA | EA | Ceuta da Melill |
| IC | IC | Kanariasuõllu |
| Western Africa | BF | BF | Burkina Fasojânnam |
| BJ | BJ | Beninjânnam |
| CV | CV | Kap Verdesuõllu |
| GH | GH | Ghana |
| GM | GM | Gambia |
| GN | GN | Guineajânnam |
| GW | GW | Guinea-Bissaujânnam |
| LR | LR | Liberia |
| ML | ML | Malijânnam |
| MR | MR | Mauritania |
| NE | NE | Nigeeʹr |
| NG | NG | Nigeria |
| SH | SH | Saint Helena suâl |
| SL | SL | Sierra Leoon |
| SN | SN | Senegal |
| TG | TG | Togojânnam |
| Eastern Africa | MG | MG | Madagaskaar |
| MU | MU | Mauritiussuâl |
| MW | MW | Malaw |
| MZ | MZ | Mosambikk |
| RE | RE | Réunionsuâl |
| RW | RW | Ruanda |
| SO | SO | Somalia |
| ZM | ZM | Sambia |
| Territories (Europe) | Northern Europe | GG | GG | Guernseysuâl |
| IM | IM | Mansuâl |
| JE | JE | Jerseysuâl |
| AX | AX | Ålandd |
| DK | DK | Danskk |
| EE | EE | Viro |
| FI | FI | Lääʹddjânnam | basic |
| FO | FO | Färsuõllu | moderate |
| IE | IE | Irlantt |
| IS | IS | Islantt |
| LT | LT | Liettua |
| LV | LV | Latviajânnam |
| NO | NO | Taarr |
| SE | SE | Ruõcc |
| SJ | SJ | Svalbaard da Jan Mayen suõllu |
| Western Europe | AT | AT | Nuõrtiväʹldd |
| BE | BE | Belgia |
| CH | CH | Šveiccjânnam |
| DE | DE | Saksslajânnam |
| FR | FR | Franskkjânnam |
| LI | LI | Liechtensteinjânnam |
| LU | LU | Luxemburg |
| MC | MC | Monacojânnam |
| NL | NL | Vueʹlljânnam |
| Eastern Europe | BG | BG | Bulgaria |
| BY | BY | Belarus |
| CZ | CZ | Tšekk |
| CZ-variant | Tšekk täʹssväʹldd |
| HU | HU | Uŋŋar |
| MD | MD | Moldova |
| PL | PL | Puola |
| RO | RO | Romania |
| RU | RU | Ruõššjânnam |
| SK | SK | Slovakia |
| UA | UA | Ukraina |
| Southern Europe | AD | AD | Andorra |
| AL | AL | Albania |
| BA | BA | Bosnia da Hertsegovinajânnam |
| ES | ES | Espanja |
| GI | GI | Gibraltar |
| GR | GR | Greikk |
| HR | HR | Kroatia |
| IT | IT | Italia |