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ISO 9

International standard


International standard

ISO 9 is an international standard establishing a system for the transliteration into Latin characters of Cyrillic characters constituting the alphabets of many Slavic and non-Slavic languages.

Published on February 23, 1995 by the International Organization for Standardization, the major advantage ISO 9 has over other competing systems is its univocal system of one character for one character equivalents (by the use of diacritics), which faithfully represents the original spelling and allows for reverse transliteration, even if the language is unknown.

Earlier versions of the standard, ISO/R 9:1954, ISO/R 9:1968 and ISO 9:1986, were more closely based on the international scholarly system for linguistics (scientific transliteration), but have diverged in favour of unambiguous transliteration over phonemic representation. The edition of 1995 supersedes the edition of 1986.

ISO 9:1995

The standard features three mapping tables: the first covers contemporary Slavic languages, the second older Slavic orthographies (excluding letters from the first), and the third non-Slavic languages (including most letters from the first). Several Cyrillic characters included in ISO 9 are not available as pre-composed characters in Unicode, nor are some of the transliterations; combining diacritical marks have to be used in these cases. Unicode, on the other hand, includes some historic characters that are not dealt with in ISO 9.

Transliteration table

The following combined table shows characters for various Slavic, Iranian, Romance, Turkic, Uralic, Mongolic, Caucasian, Tungusic, Paleosiberian and other languages of the former USSR which are written in Cyrillic.

CyrillicLatinCharCharUnicodeDescription
АаAa
ӒӓÄä`00C4``00E4`
Ӓ̄ӓ̄Ạ̈ạ̈`00C4+0323``00E4+0323`
ӐӑĂă`0102``0103`
А̄а̄Āā`0100``0101`
ӔӕÆæ`00C6``00E6`
А́а́Áá`00C1``00E1`
А̊а̊Åå`00C5``00E5`
БбBb
ВвVv
ГгGg
Ґґ`0047+0300``0067+0300`
ЃѓǴǵ`01F4``01F5`
ҒғĠġ`0120``0121`
ҔҕĞğ`011E``011F`
Һһ`1E24``1E25`
ДдDd
ЂђĐđ`0110``0111`
ЕеEe
ӖӗĔĕ`0114``0115`
ЁёËë`00CB``00EB`
ЄєÊê`00CA``00EA`
ЖжŽž`017D``017E`
ҖҗŽ̦ž̦`017D+0326``017E+0326`
Ž̧ž̧`017D+0327``017E+0327`z caron and cedilla
Ӝӝ`005A+0304``007A+0304`
Ӂӂ`005A+0306``007A+0306`
ЗзZz
Ӟӟ`005A+0308``007A+0308`
ӠӡŹź`0179``017A`
Ѕѕ`1E90``1E91`
ИиIi
ӢӣĪī`012A``012B`
И́и́Íí`00CD``00ED`
ӤӥÎî`00CE``00EE`
ЙйJj
ІіÌì`00CC``00EC`
ЇїÏï`00CF``00EF`
І̄і̄Ǐǐ`01CF (012C)``01D0 (012D)`
Јјǰ`004A+030C``01F0`
Ј̵ј̵`004A+0301``006A+0301`
КкKk
Ќќ`1E30``1E31`
Ӄӄ`1E32``1E33`
Ҝҝ`004B+0302``006B+0302`
ҠҡǨǩ`01E8``01E9`
Ҟҟ`004B+0304``006B+0304`
Ққ`004B+0326``006B+0326`
Ķķ`0136``0137`k cedilla
К̨к̨`004B+0300``006B+0300`
ԚԛQq
ЛлLl
Љљ`004C+0302``006C+0302`
Ԡԡ`004C+0326``006C+0326`
Ļļ`013B``013C`l cedilla
МмMm
НнNn
Њњ`004E+0302``006E+0302`
Ңң`004E+0326``006E+0326`
Ņņ`0145``0146`n cedilla
Ӊӊ`1E46``1E47`
Ҥҥ`1E44``1E45`
ԊԋǸǹ`01F8``01F9`
ԢԣŃń`0143``0144`
ӇӈŇň`0147``0148`
Н̄н̄`004E+0304``006E+0304`
ОоOo
ӦӧÖö`00D6``00F6`
ӨөÔô`00D4``00F4`
ӪӫŐő`0150``0151`
Ӧ̄о̄̈Ọ̈ọ̈`00D6+0323``00F6+0323`
ҨҩÒò`00D2``00F2`
О́о́Óó`00D3``00F3`
О̄о̄Ōō`014C``014D`
ŒœŒœ`0152``0153`
ПпPp
Ҧҧ`1E54``1E55`
Ԥԥ`0050+0300``0070+0300`
РрRr
СсSs
ҪҫȘș`0218``0219`
Şş`015E``015F`s cedilla
С̀с̀`0053+0300``0073+0300`
ТтTt
ЋћĆć`0106``0107`
Ԏԏ`0054+0300``0074+0300`
Т̌т̌Ťť`0164``0165`
ҬҭȚț`021A``021B`
Ţţ`0162``0163`t cedilla
УуUu
ӰӱÜü`00DC``00FC`
ӮӯŪū`016A``016B`
ЎўŬŭ`016C``016D`
ӲӳŰű`0170``0171`
У́у́Úú`00DA``00FA`
Ӱ̄ӱ̄Ụ̈ụ̈`00DC+0323``00FC+0323`
Ụ̄ụ̄`016A+0323``016B+0323`u macron and dot below
ҮүÙù`00D9``00F9`
Ұұ`0055+0307``0075+0307`
ԜԝWw
ФфFf
ХхHh
Ҳҳ`0048+0326``0068+0326`
`1E28``1E29`h cedilla
ЦцCc
Ҵҵ`0043+0304``0063+0304`
Џџ`0044+0302``0064+0302`
ЧчČč`010C``010D`
Ҷҷ`0043+0326``0063+0326`
Çç`00C7``00E7`c cedilla
Ӌӌ`0043+0323``0063+0323`
Ӵӵ`0043+0308``0063+0308`
ҸҹĈĉ`0108``0109`
Ч̀ч̀`0043+0300``0063+0300`
Ҽҽ`0043+0306``0063+0306`
ҾҿC̨̆c̨̆`0043+0328+0306``0063+0328+0306`
ШшŠš`0160``0161`
ЩщŜŝ`015C``015D`
Ъъ`02BA`modifier letter double prime
ЫыYy
ӸӹŸÿ`0178``00FF`
Ы̄ы̄Ȳȳ`0232``0233`
Ьь`02B9`modifier letter prime
ЭэÈè`00C8``00E8`
Әә`0041+030B``0061+030B`
ӚӛÀà`00C0``00E0`
ЮюÛû`00DB``00FB`
Ю̄ю̄Û̄û̄`00DB+0304``00FB+0304`
ЯяÂâ`00C2``00E2`
ѢѣĚě`011A``011B`
ѪѫǍǎ`01CD``01CE`
Ѳѳ`0046+0300``0066+0300`
Ѵѵ`1EF2``1EF3`
Ӏ`2021`double dagger
`02BC`modifier apostrophe
ˮˮ`02EE`modifier double apostrophe

National adoptions

DateRegionNameDescriptive name
1995-06-01
1995-09-29
1997
1997-12-15
2000
2002
2002-07-01
2002-10
2005-03-01
2005-11-01
2011
2013

Sample text

The following text is a fragment of the Preamble of the Universal Declaration of Human Rights in Bulgarian:

Като взе предвид, че признаването на достойнството, присъщо на всички членове на човешкия род,
на техните равни и неотменими права представлява основа на свободата, справедливостта и мира в света,Kato vze predvid, če priznavaneto na dostojnstvoto, prisʺŝo na vsički členove na čoveškiâ rod,
na tehnite ravni i neotmenimi prava predstavlâva osnova na svobodata, spravedlivostta i mira v sveta,

ISO/R 9

ISO Recommendation No. 9, published 1954 and revised 1968, is an older version of the standard, with different transliteration for different Slavic languages, reflecting their phonemic differences. It is closer to the original international system of Slavist scientific transliteration.

A German adaptation of this standard was published by the Deutsches Institut für Normung as DIN 1460 (1982) for Slavic languages and supplemented by DIN 1460-2 (2010) for non-Slavic languages.

The languages covered are Russian (RU), Belarusian (BE), Ukrainian (UK), Bulgarian (BG), Serbo-Croatian (SH) and Macedonian (MK). For comparison, ISO 9:1995 is shown in the table below.

Alternative schemes: ISO/R 9:1968 permits some deviations from the main standard. In the table below, they are listed in the columns alternative 1 and alternative 2.

  1. The first sub-standard defines some language-dependent transliterations for Russian (RU), Ukrainian (UK), Belarusian (BE) and Bulgarian (BG).
  2. The second sub-standard permits, in countries where tradition favours it, a set of alternative transliterations, but only as a group. It is identical to the British Standard 2979:1958 for Cyrillic romanization.
Cyrillic
1954
1995Usage per languagebaseRUBEUKBGSHMK
А аA aA acolspan=6
Б бB bB bcolspan=6
В вV vV vcolspan=6
Г гG gG gG gcolspan=2colspan=3
Ґ ґĠ ġG̀ g̀colspan=2colspan=3
Д дD dD dcolspan=6
Ѓ ѓǴ ǵǴ ǵcolspan=5
Ђ ђĐ đĐ đcolspan=4
Е еE eE ecolspan=6
Ё ёË ëË ëcolspan=2colspan=4
Є єJe jeÊ êcolspan=2colspan=3
Ж жŽ žŽ žcolspan=6
З зZ zZ zcolspan=6
Ѕ ѕDz dzẐ ẑcolspan=5
И и,I i(UK)I icolspan=3
I іI iĪ īÌ ìcolspan=2colspan=3
Ї їJi jiÏ ïÏ ïcolspan=2colspan=3
Й йJ jĬ ĭJ jcolspan=4colspan=2
Ј јJ jĴ ĵY yJ̌ ǰcolspan=4colspan=2
К кK kK kcolspan=6
Л лL lL lcolspan=6
Љ љLj ljĹ ĺL̂ l̂colspan=4colspan=2
М мM mM mcolspan=6
Н нN nN ncolspan=6
Њ њNj njŃ ńN̂ n̂colspan=4colspan=2
О оO oO ocolspan=6
П пP pP pcolspan=6
Р рR rR rcolspan=6
С сS sS scolspan=6
Т тT tT tcolspan=6
Ќ ќḰ ḱḰ ḱcolspan=5
Ћ ћĆ ćĆ ćcolspan=4
У уU uU ucolspan=6
Ў ўŬ ŭŬ ŭcolspan=4
Ф фF fF fcolspan=6
Х хH hH hcolspan=3colspan=3
Ц цC cC ccolspan=6
Ч чČ čČ čcolspan=6
Џ џDž džD̂ d̂colspan=4colspan=2
Ш шŠ šŠ šcolspan=6
Щ щ,(BG)Ŝ ŝcolspan=2
Ъ ъ, "ʺ(BG)ʺArchaic}}colspan=2
Ы ыY yY ycolspan=2colspan=4
Ь ьʹʹcolspan=4colspan=2
Ѣ ѣĚ ěĚ ěArchaic}}colspan=2
Э эE̊ e̊È ècolspan=2colspan=4
Ю юJu juÛ ûcolspan=4colspan=2
Я яJa ja âcolspan=4colspan=2
", ’colspan=2colspan=2
Ѫ ѫȦ ȧʺ̣Ȧ ȧ (BG)Ǎ ǎcolspan=3colspan=2
Ѳ ѳḞ ḟF̀ f̀colspan=5
Ѵ ѵẎ ẏỲ ỳcolspan=5

Notes

.

References

  1. (December 2025). "ISO 9:1995".
  2. "DIN - German Institute for Standardization".
  3. "Standard - Information and documentation - Transliteration of Cyrillic characters into Latin characters - Slavic and non-Slavic languages SS-ISO 9 - Swedish Institute for Standards, SIS".
  4. "Magazin ASRO".
  5. "HRN ISO 9:1997 / Croatian normative document". [[Croatian Standards Institute]].
  6. "Sklep PKN".
  7. "ČSN ISO 9 (010185)".
  8. "Uni Iso 9:2005".
  9. "Spletna trgovina SIST - SIST ISO 9:2005".
  10. "EVS-ISO 9:2011".
  11. "GSO ISO 9:2013 - متجر المواصفات - Ministry of Industry, Commerce & Tourism - Kingdom of Bahrain".
  12. "OHCHR | Universal Declaration of Human Rights - Bulgarian (Balgarski)".
  13. {{Cite Q. Q104231343
  14. In Russian and Belarusian, ъ is not transliterated at the end of a word (where it occurred in the pre-1918 orthography).
  15. In Bulgarian, ъ and ѫ are not transliterated at the end of a word (where it occurred in the pre-1945 orthography).
  16. "ISO 9:1995: Information and documentation -- Transliteration of Cyrillic characters into Latin characters -- Slavic and non-Slavic languages". International Organization for Standardization.
  17. link. "- authentic Russian version of ISO 9"
  18. The "informative" Annex A of ISO 9:1995 uses ISO 5426 0x52 ''hook to left'' which can be mapped to Unicode's ''comma below'' U+0326 (while the ISO 5426 also has 0x50 ''cedilla'' which can be mapped to Unicode's ''cedilla'' U+0327), it also uses ISO 5426 0x53 ''hook to right'' which can be mapped to Unicode's ''ogonek'' U+0328. See for example [http://evertype.com/standards/iso10646/pdf/iso-5426.pdf Evertype.com's ISO 5426] {{Webarchive. link. (2020-10-21 mapping to Unicode or [https://www.unicode.org/L2/L2000/00220-map-5426.pdf Joan M. Aliprand's ''Finalized Mapping between Characters of ISO 5426 and ISO/IEC 10646-1''] {{Webarchive). link. (2020-08-02 .)
  19. [http://evertype.com/standards/iso10646/pdf/iso-5426.pdf Evertype.com: ISO 5426 mapping to Unicode] {{Webarchive. link. (2020-10-21 ; [https://www.unicode.org/L2/L2000/00220-map-5426.pdf Joan M. Aliprand: ''Finalized Mapping between Characters of ISO 5426 and ISO/IEC 10646-1''] {{Webarchive). link. (2020-08-02 ; [https://www.unicode.org/charts/PDF/U02B0.pdf The Unicode Standard: Spacing Modifier Letters] {{Webarchive). link. (2019-06-13 .)
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