Other parts of ISO 639 have included identifiers designated as individual language identifiers that correspond in a one-to-many manner with individual language identifiers in this part of ISO 639. The latter are designated as macrolanguages in ISO 639-3. This table provides the complete set of mappings from macrolanguages to the individual languages that comprise them.
| Macrolanguage Identifier | Macrolanguage Name | Individual Language Identifier | Individual Language Name |
|---|---|---|---|
| aka | Akan | fat | Fanti |
| aka | Akan | twi | Twi |
| sqi | Albanian | aae | Arbëreshë Albanian |
| sqi | Albanian | aat | Arvanitika Albanian |
| sqi | Albanian | aln | Gheg Albanian |
| sqi | Albanian | als | Tosk Albanian |
| ara | Arabic | aao | Algerian Saharan Arabic |
| ara | Arabic | abh | Tajiki Arabic |
| ara | Arabic | abv | Baharna Arabic |
| ara | Arabic | acm | Mesopotamian Arabic |
| ara | Arabic | acq | Ta'izzi-Adeni Arabic |
| ara | Arabic | acw | Hijazi Arabic |
| ara | Arabic | acx | Omani Arabic |
| ara | Arabic | acy | Cypriot Arabic |
| ara | Arabic | adf | Dhofari Arabic |
| ara | Arabic | aeb | Tunisian Arabic |
| ara | Arabic | aec | Saidi Arabic |
| ara | Arabic | afb | Gulf Arabic |
| ara | Arabic | ajp | South Levantine Arabic |
| ara | Arabic | apc | Levantine Arabic |
| ara | Arabic | apd | Sudanese Arabic |
| ara | Arabic | arb | Standard Arabic |
| ara | Arabic | arq | Algerian Arabic |
| ara | Arabic | ars | Najdi Arabic |
| ara | Arabic | ary | Moroccan Arabic |
| ara | Arabic | arz | Egyptian Arabic |
| ara | Arabic | auz | Uzbeki Arabic |
| ara | Arabic | avl | Eastern Egyptian Bedawi Arabic |
| ara | Arabic | ayh | Hadrami Arabic |
| ara | Arabic | ayl | Libyan Arabic |
| ara | Arabic | ayn | Sanaani Arabic |
| ara | Arabic | ayp | North Mesopotamian Arabic |
| ara | Arabic | bbz | Babalia Creole Arabic |
| ara | Arabic | pga | Sudanese Creole Arabic |
| ara | Arabic | shu | Chadian Arabic |
| ara | Arabic | ssh | Shihhi Arabic |
| aym | Aymara | ayc | Southern Aymara |
| aym | Aymara | ayr | Central Aymara |
| aze | Azerbaijani | azb | South Azerbaijani |
| aze | Azerbaijani | azj | North Azerbaijani |
| bal | Baluchi | bcc | Southern Balochi |
| bal | Baluchi | bgn | Western Balochi |
| bal | Baluchi | bgp | Eastern Balochi |
| bik | Bikol | bcl | Central Bikol |
| bik | Bikol | bhk | Albay Bicolano |
| bik | Bikol | bln | Southern Catanduanes Bikol |
| bik | Bikol | bto | Rinconada Bikol |
| bik | Bikol | cts | Northern Catanduanes Bikol |
| bik | Bikol | fbl | West Albay Bikol |
| bik | Bikol | lbl | Libon Bikol |
| bik | Bikol | rbl | Miraya Bikol |
| bik | Bikol | ubl | Buhi'non Bikol |
| bnc | Bontok | ebk | Eastern Bontok |
| bnc | Bontok | lbk | Central Bontok |
| bnc | Bontok | obk | Southern Bontok |
| bnc | Bontok | rbk | Northern Bontok |
| bnc | Bontok | vbk | Southwestern Bontok |
| bua | Buriat | bxm | Mongolia Buriat |
| bua | Buriat | bxr | Russia Buriat |
| bua | Buriat | bxu | China Buriat |
| zho | Chinese | cdo | Min Dong Chinese |
| zho | Chinese | cjy | Jinyu Chinese |
| zho | Chinese | cmn | Mandarin Chinese |
| zho | Chinese | cnp | Northern Ping Chinese |
| zho | Chinese | cpx | Pu-Xian Chinese |
| zho | Chinese | csp | Southern Ping Chinese |
| zho | Chinese | czh | Huizhou Chinese |
| zho | Chinese | czo | Min Zhong Chinese |
| zho | Chinese | gan | Gan Chinese |
| zho | Chinese | hak | Hakka Chinese |
| zho | Chinese | hnm | Hainanese |
| zho | Chinese | hsn | Xiang Chinese |
| zho | Chinese | luh | Leizhou Chinese |
| zho | Chinese | lzh | Literary Chinese |
| zho | Chinese | mnp | Min Bei Chinese |
| zho | Chinese | nan | Min Nan Chinese |
| zho | Chinese | sjc | Shaojiang Chinese |
| zho | Chinese | wuu | Wu Chinese |
| zho | Chinese | yue | Yue Chinese |
| cre | Cree | crj | Southern East Cree |
| cre | Cree | crk | Plains Cree |
| cre | Cree | crl | Northern East Cree |
| cre | Cree | crm | Moose Cree |
| cre | Cree | csw | Swampy Cree |
| cre | Cree | cwd | Woods Cree |
| del | Delaware | umu | Munsee |
| del | Delaware | unm | Unami |
| din | Dinka | dib | South Central Dinka |
| din | Dinka | dik | Southwestern Dinka |
| din | Dinka | dip | Northeastern Dinka |
| din | Dinka | diw | Northwestern Dinka |
| din | Dinka | dks | Southeastern Dinka |
| doi | Dogri (macrolanguage) | dgo | Dogri (individual language) |
| doi | Dogri (macrolanguage) | xnr | Kangri |
| est | Estonian | ekk | Standard Estonian |
| est | Estonian | vro | Võro |
| ful | Fulah | ffm | Maasina Fulfulde |
| ful | Fulah | fub | Adamawa Fulfulde |
| ful | Fulah | fuc | Pulaar |
| ful | Fulah | fue | Borgu Fulfulde |