In The Unicode Standard, N’Ko script implementation is discussed in  Chapter 19 Africa.

The N’Ko script was encoded in The Unicode Standard version 5.0. The script is encoded in the following block:

BlocksCharacter RangeAdded in Unicode VersionUnicode Chart
N'Ko 07C0..07FF 5.0  U07C0.pdf

Subsequent to version 5.0, the following characters have been added to the N’Ko script:

CharactersUnicode VersionDocumentation
07FD..07FF pending WG2 N4706,  L2/15-338

Documentation refers to  ISO Working Group and Unicode proposals

A number of proposals for its inclusion have been submitted to the Unicode Technical Committee and WG2:

2003-08-18 Letters in support of encoding N’Ko — Deborah Anderson ( L2/03-265)

2003-11-01 Three letters in support of N'ko encoding — Deborah Anderson ( L2/03-414)

2004-06-08 Proposal to add the N’Ko script to the BMP of the UCS — Michael Everson, Mamady Doumbouya, Baba Mamadi Diané, Karamo Kaba Jammeh ( WG2 N2765,  L2/04-172)

2004-06-23 Revisions to the N’Ko script for the PDAM code chart — Michael Everson ( WG2 N2833,  L2/04-283)

2005-01-11 N’Ko Proposal in Amendment 2 — Mamady Doumbouya ( L2/05-006)

2005-01-20 N'Ko Proposal in Amendment 2 — François Yergeau, Patrick Andries ( L2/05-010)

2005-01-21 Amendment 2: Documents showing old and new N’Ko letters — Mamady Doumbouya ( WG2 N2914,  L2/05-017)

2005-07-12 For a correct encoding of N'ko (WG2 N2949) — François Yergeau, Patrick Andries ( WG2 N2949,  L2/05-169)

2005-08-26 Clarification on the identity and use of three N’Ko letters — Michael Everson, Mamady Doumbouya, Baba Mamadi Diané, Karamo Kaba Jammeh ( WG2 N2977,  L2/05-237)

2005-09-04 Comments on 2977 (Alleged parallel between 3 N’ko Glyphs & Latin Long S) — François Yergeau, Patrick Andries ( WG2 N2982,  L2/05-248)

2009-04-22 Report to JTC1 Chair and JTC1/SC2 Chair Regarding Resolution 34 on African Languages — Deborah Anderson ( WG2 N3641,  L2/09-285)

2012-11-03 Sorting all RTL scripts together — Roozbeh Pournader ( L2/12-377)

2015-04-27 Proposal to encode an additional Nko character — Andrij Rovenchak ( L2/15-126)

2015-10-31 Comments on N’Ko Additions — Debbie Anderson, Michael Everson ( L2/15-287)

2015-12-19 Proposal to encode four N’Ko characters in the BMP of the UCS — Michael Everson (WG2 N4706,  L2/15-338)

UTC #146 Minutes ( L2/16-004) (See C.8 for decision and action items)

2017-08-10 About script names in the code charts — Eduardo Marin Silva ( L2/17-293)

Recommendations to UTC #153 October 2017 on Script Proposals ( L2/17-384) (See point 1.)

UTC #153 Minutes ( L2/17-362) (See B.14 for decision and action items)