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 |
| Date & Time | Fields | Date Fields | dayperiod | es_419 | a. m./p. m. | a.m./p.m. | moderate |
| es_MX |
| dayperiod-short | modern |
| dayperiod-narrow |
| Gregorian | Eras - abbreviated | 0 | es_419 | a. C. | a.C. | moderate |
| 0-variant | a. e. c. | a.e.c. |
| 1 | d. C. | d.C. |
| 1-variant | e. c. | e.c. |
| Numbers | Number Formatting Patterns | Standard Patterns | standard-currency-alphaNextToNumber | ¤#,##0.00 | ¤ #,##0.00 | comprehensive |
| standard-percent | es_MX | #,##0 % | #,##0% | basic |
| accounting-currency-alphaNextToNumber | es_419 | ¤#,##0.00 | ¤ #,##0.00 | moderate |
| Compact Decimal Formatting | Short Currency | 4-digits-short-one-alphaNextToNumber | ¤0 K | ¤ 0 K | modern |
| es_MX | 0 k¤ | 0 k ¤ |
| 4-digits-short-other-alphaNextToNumber | es_419 | ¤0 K | ¤ 0 K |
| es_MX | 0 k¤ | 0 k ¤ |
| 5-digits-short-one-alphaNextToNumber | es_419 | ¤00 K | ¤ 00 K |
| es_MX | 00 k¤ | 00 k ¤ |
| 5-digits-short-other-alphaNextToNumber | es_419 | ¤00 K | ¤ 00 K |
| es_MX | 00 k¤ | 00 k ¤ |
| 6-digits-short-one-alphaNextToNumber | es_419 | ¤000 K | ¤ 000 K |
| es_MX | 000 k¤ | 000 k ¤ |
| 6-digits-short-other-alphaNextToNumber | es_419 | ¤000 K | ¤ 000 K |
| es_MX | 000 k¤ | 000 k ¤ |
| 7-digits-short-one-alphaNextToNumber | es_419 | ¤0 M | ¤ 0 M |
| es_MX | 0 M¤ | 0 M ¤ |
| 7-digits-short-other-alphaNextToNumber | es_419 | ¤0 M | ¤ 0 M |
| es_MX | 0 M¤ | 0 M ¤ |
| 8-digits-short-one-alphaNextToNumber | es_419 | ¤00 M | ¤ 00 M |
| es_MX | 00 M¤ | 00 M ¤ |
| 8-digits-short-other-alphaNextToNumber | es_419 | ¤00 M | ¤ 00 M |
| es_MX | 00 M¤ | 00 M ¤ |
| 9-digits-short-one-alphaNextToNumber | es_419 | ¤000 M | ¤ 000 M |
| es_MX | 000 M¤ | 000 M ¤ |
| 9-digits-short-other-alphaNextToNumber | es_419 | ¤000 M | ¤ 000 M |
| es_MX | 000 M¤ | 000 M ¤ |
| 10-digits-short-one-alphaNextToNumber | es_419 | ¤0000 M | ¤ 0000 M |
| es_MX | 0000 M¤ | 0000 M ¤ |
| 10-digits-short-other-alphaNextToNumber | es_419 | ¤0000 M | ¤ 0000 M |
| es_MX | 0000 M¤ | 0000 M ¤ |
| 11-digits-short-one-alphaNextToNumber | es_419 | ¤00 MRD | ¤ 00 MRD |
| es_US | ¤00 B | ¤ 00 B |
| 11-digits-short-other-alphaNextToNumber | es_419 | ¤00 MRD | ¤ 00 MRD |
| es_US | ¤00 B | ¤ 00 B |
| 12-digits-short-one-alphaNextToNumber | es_419 | ¤000 MRD | ¤ 000 MRD |
| es_US | ¤000 B | ¤ 000 B |
| 12-digits-short-other-alphaNextToNumber | es_419 | ¤000 MRD | ¤ 000 MRD |
| es_US | ¤000 B | ¤ 000 B |
| 13-digits-short-one-alphaNextToNumber | es_419 | ¤0 B | ¤ 0 B |
| es_MX | 0 B¤ | 0 B ¤ |
| es_US | ¤0 T | ¤ 0 T |
| 13-digits-short-other-alphaNextToNumber | es_419 | ¤0 B | ¤ 0 B |
| es_MX | 0 B¤ | 0 B ¤ |
| es_US | ¤0 T | ¤ 0 T |
| 14-digits-short-one-alphaNextToNumber | es_419 | ¤00 B | ¤ 00 B |
| es_MX | 00 B¤ | 00 B ¤ |
| es_US | ¤00 T | ¤ 00 T |
| 14-digits-short-other-alphaNextToNumber | es_419 | ¤00 B | ¤ 00 B |
| es_MX | 00 B¤ | 00 B ¤ |
| es_US | ¤00 T | ¤ 00 T |
| 15-digits-short-one-alphaNextToNumber | es_419 | ¤000 B | ¤ 000 B |
| es_MX | 000 B¤ | 000 B ¤ |
| es_US | ¤000 T | ¤ 000 T |
| 15-digits-short-other-alphaNextToNumber | es_419 | ¤000 B | ¤ 000 B |
| es_MX | 000 B¤ | 000 B ¤ |
| es_US | ¤000 T | ¤ 000 T |
| Units | Volume | milliliter | narrow-one-nominative | es_419 | {0} ml | {0}ml |
| narrow-other-nominative |
| Weather | celsius | narrow-one-nominative | es_MX | {0} °C | {0}°C |
| narrow-other-nominative |