Primary Language Code - Latest in Year
T-MSIS Analytic Files (TAF) Demographic and Eligibility Research Identifiable Files (RIFs), V1, November, 2019

AAR = Afar
ABK = Abkhazian
ACH = Acoli
AFH = Afrihili
AFR = Afrikaans
AKK = Akkadian
ALB = Albanian
ALE = Aleut
ALG = Algonquian languages
AMH = Amharic
ANG = English, Old
APA = Apache languages
ARA = Arabic
ARM = Armenian
ASM = Assamese
ATH = Athapascan languages
AZE = Azerbaijani
BAK = Bashkir
BEL = Belarusian
BEN = Bengali
BIH = Bihari languages
BIS = Bislama
BLA = Siksika
BNT = Bantu languages
BOS = Bosnian
BUL = Bulgarian
BUR = Burmese
CAI = Central American Indian languages
CAT = Catalan; Valencian
CEB = Cebuano
CHA = Chamorro
CHI = Chinese
CHK = Chuukese
CHO = Choctaw
CHR = Cherokee
COS = Corsican
CPE = Creoles and pidgins, English-based
CPF = Creoles and pidgins, French-based
CPP = Creoles and pidgins, Portuguese-based
CRP = Creoles and pidgins
CUS = Cushitic languages
CZE = Czech
DAK = Dakota
DAN = Danish
DIN = Dinka
DUM = Dutch, Middle (ca.1050-1350)
DUT = Dutch; Flemish
DZO = Dzongkha
EGY = Egyptian (Ancient)
EKA = Ekajuk
ELX = Elamite
ENG = English
EPO = Esperanto
EST = Estonian
EWE = Ewe
FAO = Faroese
FIJ = Fijian
FIL = Filipino; Pilipino
FIN = Finnish
FIU = Finno-Ugrian languages
FRE = French
FRS = Eastern Frisian
FUL = Fulah
FUR = Friulian
GEM = Germanic languages
GEO = Germanic languages
GER = German
GLA = Gaelic; Scottish
GRC = Greek, Ancient (to 1453)
GRE = Greek, Modern (1453-)
GUJ = Gujarati
HAI = Haida
HAT = Haitian; Haitian Creole
HAU = Hausa
HAW = Hawaiian
HEB = Hebrew
HIL = Hiligaynon
HIN = Hindi
HMN = Hmong; Mong
HRV = Croatian
HUN = Hungarian
IBO = Igbo
IDO = Ido
IKU = Inuktitut
ILO = Iloko
INC = Indic languages
IND = Indonesian
INE = Indo-European languages
IPK = Inupiaq
IRA = Iranian languages
ITA = Italian
JPN = Japanese
KAC = Kachin; Jingpho
KAN = Kannada
KAR = Karen languages
KAU = Kanuri
KHM = Central Khmer
KIK = Kikuyu; Gikuyu
KIN = Kinyarwanda
KOR = Korean
KOS = Kosraean
KUR = Kurdish
LAO = Lao
LAT = Latin
LAV = Latvian
LIN = Lingala
LIT = Lithuanian
MAC = Macedonian
MAH = Marshallese
MAL = Malayalam
MAN = Mandingo
MAO = Maori
MAP = Austronesian languages
MAR = Marathi
MAY = Malay
MDR = Mandar
MIC = Mi'kmaq; Micmac
MIS = Uncoded languages
MKH = Mon-Khmer languages
MLG = Malagasy
MLT = Maltese
MON = Mongolian
MUL = Multiple languages
MYN = Mayan languages
NAI = Nias
NAU = Nauru
NAV = Navajo; Navaho
NEP = Nepali
NEW = Nepal Bhasa; Newari
NOR = Norwegian
ORI = Oriya
ORM = Oromo
PAN = Panjabi; Punjabi
PAU = Palauan
PEO = Persian, Old (ca.600-400 B.C.)
PER = Persian
POL = Polish
PON = Pohnpeian
POR = Portuguese
PRO = Provençal, Old (to 1500); Occitan, Old (to 1500)
PUS = Pushto; Pashto
QUE = Quechua
ROM = Romany
RUM = Romanian; Moldavian; Moldovan
RUN = Rundi
RUS = Russian
SAG = Sango
SAN = Sanskrit
SGN = Sign Languages
SIN = Sinhala; Sinhalese
SIO = Siouan languages
SIT = Sino-Tibetan languages
SLA = Slavic languages
SLO = Slovak
SLV = Slovenian
SMO = Samoan
SNA = Shona
SOM = Somali
SPA = Spanish; Castilian
SRP = Serbian
SSA = Nilo-Saharan languages
SSW = Swati
SUN = Sundanese
SWA = Swahili
SWE = Swedish
SYR = Syriac
TAH = Tahitian
TAI = Tai languages
TAM = Tamil
TEL = Telugu
TGK = Tajik
TGL = Tagalog
THA = Thai
TIB = Tibetan
TIG = Tigre
TIR = Tigrinya
TLI = Tlingit
TOG = Tonga (Nyasa)
TON = Tonga (Tonga Islands)
TSN = Tswana
TSO = Tsonga
TUK = Turkmen
TUR = Turkish
TWI = Twi
UIG = Uighur; Uyghur
UKR = Ukrainian
UND = Undetermined
UZB = Uzbek
VIE = Vietnamese
VOL = Volapük
WEL = Welsh
WOL = Wolof
YAP = Yapese
YID = Yiddish
YOR = Yoruba
YPK = Yupik languages
ZND = Zande languages
ZUN = Zuni
Null/missing = source value is missing or unknown