Unicode
computing industry standard for the consistent encoding, representation and handling of text expressed in most of the world's writing systems
Unicode (also known as The Unicode Standard and TUS) is a character encoding standard maintained by the Unicode Consortium designed to support the use of text in all of the world's writing systems that can be digitized. Version 18.0 defines 172,808 characters and 175 scripts used in various ordinary, literary, academic and technical contexts.
Unicode has largely supplanted the previous environment of myriad incompatible character sets used within different locales and on different computer architectures. The entire repertoire of these sets, plus many additional characters, were merged into the single Unicode set. Unicode is used to encode the vast majority of text on the Internet, including most web pages, and relevant Unicode support has become a common consideration in contemporary software development. Unicode is ultimately capable of encoding more than 1.1 million characters.
The Unicode character repertoire is synchronized with ISO/IEC 10646, each being code-for-code identical with one another. However, The Unicode Standard is more than just a repertoire within which characters are assigned. To aid developers and designers, the standard also provides charts and reference data, as well as annexes explaining concepts germane to various scripts, providing guidance for their implementation. Topics covered by these annexes include character normalization, character composition and decomposition, collation, and directionality.
This brief starts where responsible research should: with the source description of “Unicode” as computing industry standard for the consistent encoding, representation and handling of text expressed in most of the world's writing systems. Everything that follows is an evidence route, not borrowed authority.
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The subject matters to the science & nature register because the source frames it as computing industry standard for the consistent encoding, representation and handling of text expressed in most of the world's writing systems. Its deeper value depends on whether names, dates, institutions and citations support that framing.
Stable identifiers, scientific names and standards terminology offer the best bridge between this overview and specialist evidence. The source revision retrieved here is dated Sep 23, 2026. The linked authority identifier is Q8819. The Library of Congress control number is sh98000843. 1 of 4 selected statements include explicit references; 3 carry qualifiers and 0 use preferred rank.
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This entry incorporates text from “Unicode” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.