Unicode blocks
Every block of the Unicode Standard — the named, contiguous ranges of code points such as Basic Latin or CJK Unified Ideographs — with its range, size, number of assigned characters, the Unicode versions that first and last added characters to it, and its main script. One row per block.
Columns
Stable keys — use them in the API, SQL and code
| Key | Name | Type | Description |
|---|---|---|---|
| block | Block | string | Official block name from Blocks.txt. |
| start | Start | string | First code point (hex, U+ omitted). |
| end | End | string | Last code point (hex, U+ omitted). |
| start_decimal | Start (decimal) | integer | First code point as a decimal number (for sorting). |
| plane | Plane | integer | Unicode plane (0 = Basic Multilingual Plane). |
| plane_name | Plane name | string | — |
| size | Size | integer | Code points in the block's range. |
| assigned | Assigned | integer | Code points assigned in the current version (general category not Cn). |
| graphic | Graphic characters | integer | Assigned code points that are visible characters (letters, marks, numbers, punctuation, symbols, spaces). |
| unassigned | Unassigned | integer | Code points still reserved for future use. |
| pct_assigned | % assigned | number | — |
| first_version | First added | string | Earliest Unicode version in which any code point in the block was assigned. |
| last_version | Last added | string | Latest Unicode version that added code points to the block. |
| versions_count | Versions adding characters | integer | How many Unicode versions added code points to the block. |
| main_script | Main script | string | Script of most of the block's assigned characters (Scripts.txt). |
| main_script_share | Main script share | number | Share of assigned code points that have the main script. |
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