| Edition/Newsletter | Date issued | Affected entries |
|---|
| ISO 3166-2:1998 | 1998-12-20 | First edition of ISO 3166-2 |
| Newsletter I-1 | 2000-06-21 | BY,CA,DO,ER,ES,IT,KR,NG,PL,RO,RU,TR,VN,YU |
| Newsletter I-2 | 2002-05-21 | AE,AL,AO,AZ,BD,BG,BJ,CA,CD,CN,CV,CZ,ES,FR,GB,GE,GN,GT,HR,ID,IN,IR,KZ,LA,MA,MD,MW,NI,PH,TR,UZ,VN |
| Newsletter I-3 | 2002-08-20 | AE,CZ,IN,KZ,MD,MO,PS(new entry),TP(changed toTL),UG |
| Newsletter I-4 | 2002-12-10 | BI,CA,EC,ES,ET,GE,ID,IN,KG,KH,KP,KZ,LA,MD,MU,RO,SI,TJ,TL,TM,TW,UZ,VE,YE |
| Newsletter I-5 | 2003-09-05 | BW,CH,CZ,LY,MY,SN,TN,TZ,UG,VE,YU(changed toCS) |
| Newsletter I-6 | 2004-03-08 | AF,AL,AU,CN,CO,ID,KP,MA,TN,ZA |
| Newsletter I-7 | 2005-09-13 | AF,DJ,ID,RU,SI,VN |
| Newsletter I-8 | 2007-04-17 | AD,AG,BB,BH,CI,CS(deleted, replaced with ME and RS),DM,GB,GD,GG(new entry),IM(new entry),IR,IT,JE(new entry),KN,LI,ME(new entry),MK,NR,PW,RS(new entry),RU,RW,SB,SC,SM,TD,TO,TV,VC |
| Newsletter I-9 | 2007-11-28 | BG,BL(new entry),CZ,FR,GB,GE,LB,MF(new entry),MK,MT,RU,SD,SG,UG,ZA |
| ISO 3166-2:2007 | 2007-12-13 | Second edition of ISO 3166-2 (these changes were not announced in a newsletter)[3]
BA,DK,DO,EG,GN,HT,KE,KW,LC,LR,TV,YE,ZA |
| Newsletter II-1 | 2010-02-03
(corrected
2010-02-19) | AL,BO,CZ,ES,FR,GN,GR,GW,ID,IE,IT,KN,KP,LK,MA,MH,NP,RS,UG,VE |
| Newsletter II-2 | 2010-06-30 | AG,AR,BA,BF,BI,BS,BY,CF,CL,CV,EC,EG,GB,GL,HU,IT,KE,KM,LY,MD,MW,NG,NZ,OM,PA,PE,PH,RU,SC,SH,SI,SN,TD,TM,YE |
| Newsletter II-3 | 2011-12-13
(corrected
2011-12-15) | AF,AN(deleted, replaced with BQ, CW and SX),AW,AZ,BD,BE,BG,BQ(new entry),BS,CV,CW(new entry),DJ,DK,ER,FI,FR,GB,GQ,HN,HR,HT,ID,IE,IN,JO,KW,LS,LV,MC,ME,MK,MM,MV,NL,NO,NP,NR,PG,PK,PL,PS,QA,SA,SD,SE,SH,SS(new entry),SX(new entry),TL,TN,TR,VN |
| ISO 3166-2:2013 | 2013-11-19 | Third edition of ISO 3166-2 (changes are published in the online catalogue of ISO only and no newsletters are published anymore) |
| ISO 3166-2:2020 | 2020-08 | Fourth edition of ISO 3166-2 |
