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 |
| Locale Display Names | Languages (A-D) | A | Atikamekw ► atj | ia | atj | atikamekw | modern |
| C | Cajun French ► frc | frc | francese cajun |
| Carolina Algonquian ► crr | crr | algonquino de Carolina |
| Cayuga ► cay | cay | cayuga |
| Central Ojibwa ► ojc | ojc | ojibwa central |
| Chilcotin ► clc | clc | chilcotin |
| Chipewyan ► chp | chp | chipewyan |
| Languages (E-J) | H | Haida ► hai | hai | haida |
| Halkomelem ► hur | hur | halkomelem |
| Hindi ► hi_Latn-variant | hindi (latin) | hinglish | moderate |
| I | Innu-aimun ► moe | moe | innu-aimun | modern |
| Languages (K-N) | K | Kaingang ► kgp | kgp | kaingang |
| Kwakʼwala ► kwk | kwk | kwakwala |
| L | Lillooet ► lil | lil | lillooet |
| Louisiana Creole ► lou | lou | creolo louisianese |
| M | Maliseet-Passamaquoddy ► pqm | pqm | malecite-passamaquoddy |
| Michif ► crg | crg | mitchif |
| Moose Cree ► crm | crm | cree moose |
| N | Najdi Arabic ► ars | ars | arabe najdi |
| Nheengatu ► yrl | yrl | nheengatu |
| Northern East Cree ► crl | crl | cree del nord-est |
| Northern Frisian ► frr | frr | frison septentrional |
| Northern Tutchone ► ttm | ttm | tutchone del nord |
| Northwestern Ojibwa ► ojb | ojb | ojibwa del nord-west |
| Languages (O-S) | O | Obolo ► ann | ann | obolo |
| Oji-Cree ► ojs | ojs | oji-cree |
| Okanagan ► oka | oka | okanagan |
| P | Pijin ► pis | pis | pijin |
| Plains Cree ► crk | crk | cree del planas |
| S | Saamia ► lsm | lsm | samia |
| Southern East Cree ► crj | crj | cree del sud-est |
| Southern Haida ► hax | hax | haida del sud |
| Southern Lushootseed ► slh | slh | lushootseed del sud |
| Southern Tutchone ► tce | tce | tutchone del sud |
| Straits Salish ► str | str | salish del strictos |
| Swampy Cree ► csw | csw | cree del paludes |
| Languages (T-Z) | T | Tagish ► tgx | tgx | tagish |
| Tahltan ► tht | tht | tahltan |
| Tlingit ► tli | tli | tlingit |
| Toki Pona ► tok | tok | toki pona |
| W | Western Canadian Inuktitut ► ikt | ikt | inuktitut del west canadian |
| Western Ojibwa ► ojw | ojw | ojibwa del west |
| Wu Chinese ► wuu | wuu | wu |
| Territories (Oceania) | Australasia | NZ-variant | Nove Zelanda | Aotearoa/Nove Zelanda | moderate |
| Keys | calendar | calendar-coptic | coptic | calendario copte | modern |
| calendar-ethiopic-amete-alem | ethiopic-amete-alem | calendario ethiope Amete Alem |
| calendar-islamic-civil | islamic-civil | calendario islamic (tabular, epocha civil) |
| calendar-islamic-umalqura | islamic-umalqura | calendario islamic (Umm al-Qura) |
| numbers | numbers-cakm | cakm | cifras chakma |
| numbers-fullwide | cifras a latitude integre | cifras in plen largor |
| numbers-java | java | cifras javanese |
| numbers-mtei | mtei | cifras meetei mayek |
| numbers-olck | olck | cifras ol chiki |
| numbers-vaii | vaii | cifras vai |
| Date & Time | Gregorian | Formats - Standard - Date & Time Combination Formats | full | {1} 'a' {0} | {1} {0} | moderate |
| long |
| full-atTime | ▷missing◁ | {1} 'a' {0} |
| long-atTime |
| medium-atTime | {1} {0} |
| short-atTime |
| Generic | full | {1} 'a' {0} | {1}, {0} |
| long |
| full-atTime | ▷missing◁ | {1} 'a' {0} |
| long-atTime |
| medium-atTime | {1}, {0} |
| short-atTime |
| Formats - Flexible - Date Formats | GyMd | GGGGG y-MM-dd | dd-MM-y GGGGG |
| Numbers | Number Formatting Patterns | Standard Patterns | standard-currency-noCurrency | ¤ #,##0.00 | #,##0.00 | comprehensive |
| accounting-currency-noCurrency | #,##0.00;(#,##0.00) | moderate |
| Units | Mass and Weight | tonne | long-displayName | ▷missing◁ | tonnas | modern |
| short-displayName | t |
| long-one-nominative | {0} tonna |
| long-other-nominative | {0} tonnas |
| metric-ton | long-displayName | tonnas | ▷removed◁ |
| short-displayName | t |
| long-one-nominative | {0} tonna |
| long-other-nominative | {0} tonnas |