CJK Unified Ideographs (Unicode block)
CJK Unified Ideographs is a Unicode block containing the most common CJK ideographs used in modern Chinese, Japanese, Korean and Vietnamese characters. When contrasted with other blocks containing CJK Unified Ideographs, it is also referred to as the Unified Repertoire and Ordering (URO).
| CJK Unified Ideographs | |
|---|---|
| Range | U+4E00..U+9FFF (20,992 code points) |
| Plane | BMP |
| Scripts | Han |
| Assigned | 20,992 code points |
| Unused | 0 reserved code points |
| Unicode version history | |
| 1.0.1 (1992) | 20,902 (+20,902) |
| 4.1 (2005) | 20,924 (+22) |
| 5.1 (2008) | 20,932 (+8) |
| 5.2 (2009) | 20,940 (+8) |
| 6.1 (2012) | 20,941 (+1) |
| 8.0 (2015) | 20,950 (+9) |
| 10.0 (2017) | 20,971 (+21) |
| 11.0 (2018) | 20,976 (+5) |
| 13.0 (2020) | 20,989 (+13) |
| 14.0 (2021) | 20,992 (+3) |
| Unicode documentation | |
| Code chart ∣ Web page | |
| Note: | |
The block has hundreds of variation sequences defined for standardized variants.
It also has tens of thousands of ideographic variation sequences registered in the Unicode Ideographic Variation Database (IVD). These sequences specify the desired glyph variant for a given Unicode character.
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