The Six Parts of The Standard
| Standard | Name (Codes for the representation of names of languages – ...) | First edition | Current | No. in list |
|---|---|---|---|---|
| ISO 639-1 | Part 1: Alpha-2 code | 1967 (as ISO 639) | 2002 | 184 |
| ISO 639-2 | Part 2: Alpha-3 code | 1998 | 1998 | >450 |
| ISO 639-3 | Part 3: Alpha-3 code for comprehensive coverage of languages | 2007 | 2007 | 7704 + local range |
| ISO 639-4 | Part 4: Implementation guidelines and general principles for language coding | 2010-07-16 | 2010-07-16 | (not a list) |
| ISO 639-5 | Part 5: Alpha-3 code for language families and groups | 2008-05-15 | 2008-05-15 | 114 |
| ISO 639-6 | Part 6: Alpha-4 representation for comprehensive coverage of language variants | 2009-11-17 | 2009-11-17 | ? |
Each part of the standard is maintained by a maintenance agency, which adds codes and changes the status of codes when needed.
Read more about this topic: ISO 639
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