| Demographic Table for Southeast Asian LCTLs | |||||
| Name of Language | Country | Mother Tongue (L1) Speakers | Most Recent Year of Cited Data | Number of Speakers Worldwide | Current Usage & Socio-cultural Importance |
| ACEH | Indonesia | 3M | 1999 | ||
| AKHA | Laos | 58,000 | 1995 | 118,000 | |
| ARAKANESE | Burma | 1.9M | 1993 | 2M | |
| BALINESE | Indonesia | 3.8M | 1993 | ||
| BANJAR | Indonesia | 2.1M | 1993 | 3M | |
| BATAK all dialects | Indonesia | 5.7M | 1977-91 | ||
| BETAWAI | Indonesia | 2.7M | 1993 | ||
| BICOLANO all dialects | Philippines | 3.5M | 1990 | ||
| BUGIS | Indonesia | 3.5M | 1991 | 4M | |
| BUNAK | Timor L'Orosae | 50,000 | 1977 | ||
| BURMESE | Burma | 21.5M | 1986 | 32M | national |
| CEBUANO | Philippines | 14.7M | 1990 | 15M | lingua franca |
| CHAM, WESTERN | Cambodia | 220,000 | 1990 | ||
| CHIN all dialects | Burma | 900,000 | 1983-94 | 1.5M | |
| CHINESE, HAKKA | Brunei, Indonesia, Malaysia, Singapore, Thailand | 1.75M | 33M | lingua franca | |
| CHINESE, MANDARIN | Brunei, Indonesia, Malaysia, Philippines, Singapore | 1M | 874M | ||
| CHINESE, MIN NAN (Hokkien) | Brunei, Indonesia, Malaysia, Philippines, Singapore, Thailand | 5.3M | 1985 | 45M | national (Singapore) |
| CHINESE, MINDONG (Foochow) | Brunei, Indonesia, Malaysia, Singapore | 247,000 | |||
| CHINESE, YUE (Cantonese) | Brunei, Indonesia, Malaysia, Philippines, Singapore, Thailand | 1.3M | 71M | ||
| HILIGAYNON (ILONGO) | Philippines | 7M | 1995 | ||
| HMONG DAW & HMONG NJUA | Thailand | 60,000 | 1984, 1987 | 6M 1999) | |
| Vietnam | 556,000 | 1993 | |||
| Burma | 10,000 | 1987 | |||
| Laos | 100,000 | 1975 | |||
| IBAN | Malaysia | 400,000 | 1981 | 600,000 | |
| ILOCANO | Philippines | 8M | 1991 | lingua franca | |
| INDONESIAN | Indonesia | 17-30M | no year cited | 140M | national |
| IU MIEN | Vietnam | 350,000 | 1999 | ||
| JAVANESE | Indonesia | 75.2M | 1989 | ||
| Malaysia | 300,000 | 1981 | |||
| KAREN all dialects | Burma | 2.6M | 1983 | 3M | |
| Thailand | 410,000 | 1983, 1987 | |||
| KEMAK | Timor L'Orosae | 50,000 | 1981 | ||
| KHMER, CENTRAL | Cambodia | 6M | 1992 | L1+L2: 8M | national |
| Vietnam | 895,000 | 1993 | |||
| KHMER, NORTHERN | Thailand | 1M | 1991 | ||
| KHMU | Laos | 390,000 | 1985 | 500,000 | |
| LAMPUNG | Indonesia | 1.5M | 1981 | ||
| LAO | Laos | 3M | 1991 | L1+L2: 4M | national |
| MADURA | Indonesia | 13.7M | 1995 | ||
| MAGINDANAON | Philippines | 1M | 1999 | ||
| MAKASAE | Timor L'Orosae | 70,000 | 1989 | ||
| MAKASAR | Indonesia | 1.6M | 1989 | ||
| MALACCAN CREOLE (Portuguese-based) | Malaysia | 5,000 | 1997 | ||
| MALAY (Standard) | Brunei | 315,000 | 1993 | 18M | national |
| Indonesia (Sumatra and Riau) | 10M | 1981 | lingua franca | ||
| Malaysia | 7.18M | 1986 | national | ||
| Singapore | 396,000 | 1985 | national | ||
| MALAY, PATTANI | Thailand | 3.1M | 1998 | lingua franca | |
| MAMBAE | Timor L'Orosae | 80,000 | 1981 | ||
| MON | Burma | 835,000 | 1983 | ||
| MUONG | Vietnam | 914,000 | 1993 | ||
| NUNG | Vietnam | 705,000 | 1993 | ||
| PALUNG all dialects | Burma | 435,000 | 1982 | ||
| PAMPANGAN | Philippines | 1.9M | 1990 | ||
| PANGASINAN | Philippines | 1.16M | 1990 | ||
| PARAUK | Burma | 348,000 | 1983 | 528,000 | |
| PHU THAI | Laos | 128,000 | |||
| REJANG | Indonesia | 1M | 1981 | ||
| SASAK | Indonesia | 2.1M | 1989 | ||
| SHAN | Burma | 2.9M | 1993 | 3M | |
| SO | Laos | 102,000 | no yr cited | ||
| Thailand | 55,000 | 1993 | |||
| SUNDA | Indonesia | 27M | 1990 | ||
| TAGALOG | Philippines | 16.9M (L2=39M) | 1990 | 56M | national |
| TAI (all dialects) | Vietnam, Burma, Laos | 1.2M | 1984, 1990 | 2M | |
| TAMIL | Singapore, Malaysia | 1.15M | 1985 | L1: 66M L1+L2: 74M | national (Singapore) |
| TAY | Vietnam | 1.19M | 1993 | ||
| TETUN | Timor L'Orosae and Indonesia (Nusa Tenggara) | 450,000 | 1997 | national (Timor L'Orosae) | |
| THAI | Thailand | 20-25M | 1990 | national | |
| THAI, NORTHEASTERN (Isaan) | Thailand | 15-23M | 1983 | ||
| THAI, NORTHERN (Lan Na) | Thailand | 6M | 1983 | ||
| THAI, SOUTHERN (Pak Tai) | Thailand | 5M | 1990 | ||
| TUKUDEDE | Timor L'Orosae | 50,000 | 1983 | ||
| VIETNAMESE | Vietnam | 65M | 1993 | 68M | national |
| VO | Burma | 558,000 | 1983 | 618,000 | |
| WARAY-WARAY | Philippines | 2.44M | 1990 | ||
| YANGBYE | Burma | 810,000 | 1983 | ||