The Languages of southeast asia

Thailand, Laos, Burma (Myanmar), Cambodia, Vietnam

The languages of these countries share a number of features, and are entirely different from the group on the right.
Picture
From Adapedia.com
Major Languages by Country     Country names are in black.     This color indicates significant languages (over 100,000 speakers in country and/or widespread).  All other languages are in this color.    For full list of all lesser languages, see www.ethnologue.com

Burma (Myanmar): Burmese, Shan (Tai Yai), Chin (many dialects), Akha, Jinghpaw/po, Karen (various dialects), Lisu, Lahu, Pa'o (Black Karen), Mon, Palaung, Wa (Braok), Tai Lai(ng), Tai Nua, Khun/Gon Shan,  Lawng/Lao Vo, Naga (many dialects),  Tavoyan/Dawei, Danu/Taruw, Intha, Hmong Njua/Leng, Zi/Atzi/Zaiwa


Thailand: Thai, Issan (Lao), Shan (Tai Yai), Pasa Patani (Jawi/Yawi) Min Nan Chinese, Karen (various dialects), Khmer, Kuy, Phu Thai (Putai), Lisu, Lahu, Lu, Hmong,  Yao Mien, Akha (Ekaw), Khmu (K'mu), Prai/Lua, Meo Kao/Hmong Daw, Yao/Yu Mien    
Regional Dialects: Northern Thai (Pasa Nua or Kam Muang), Southern Thai (Pak Thai)

Laos: Lao,  Hmong/Meo, Khmu (K'mu), Akha (Ikaw), Phu Thai (Putai), Tai Kao (White Thai), Tai Dam (Black Thai), Tai Nua, Tai Kang, Bru,Yao-Mien, Jeh (Die),  Katang,  Kuy (Dui/Sui), Lahu, Lamet, Brao, Laven (Bolawen), Lu, Mal/Tin, Ngeh, Nyaheun (Niahun), Ong/Tong, Oy (Oi), Prai (Lao Mai), So/Makong, Trieng/Ta-Lieng, Ta-Oi, Hani/Hao Bai (Yunnan Chinese).

Vietnam: Vietnamese, Hmong/Meo, Khmer,  Cham (Chiem), Bahnar, Chinese - Yue, Jarai, Kim Mun/Dao Ao Dai, C/Koho, Mnong (Bu Dang, Bu Na, Bu Rung, Dih Bri, Preh), Muong, Nung/Bu Nong, Putai, Rade/De, Ra Glai, Tai Kao (White Thai), Tai Dam (Black Thai), Nung/Nung Chao, Tai Deng (Red Thai), Yu Mien/Dao Do, Bru (Tri Bru), Cao, Chru (Choru), Chinese - Hani, Hre, Jeh, Katu, Kayong (Kagiong), Khmu, Ma/Che Ma,  Puang, Sedang/Dang, Xtieng, Ta Oi, Tay (not Thai), Cuoi/Keo, Trieng/Ta-Lieng, Lahu

Cambodia: Khmer, Vietnamese, Cham, Jarai (Chaw), Krung (Brao Krung), Kuy, Mnong, Biat/Bunong
Malaysia, Indonesia, Singapore, Brunei, Philippines, E. Timor

The languages of these countries have many similarities and are completely different from the group on the left.
Picture
From lardbucket.org
Major Languages by Country

Malaysia: Malaysian (Bahasa Melayu); English, Chinese - Hakka, Min Nan, Mandarin, Cantonese, Min Dong; Tamil, Javanese; Bidayu - Bau/Bukar Sadung; Malay Satun/Kedah; Melanau; Minang/Negeri Sembilan (major dialect of Malay), Tausug/Suluk, Balangingi Bajau, Sama/Bajau Laut, Bajau Barat/Darat, Bugis, dozens of others.

Singapore: Malaysian, Chinese - Mandarin, Min Nan (Hokkien, Teowchew, Hunanese), Cantonese - English, Tamil, Tagalog, Baba (Chinese-Malay), Other Chinese - (Min Bei, Hakka, Min Dong (Fuchow) - Hindi, Panjabi, Sindhi.

Brunei: Malay, English, Brunei Kadalan (Kampung Ayer), Bisaya Brunei (Bisaya Bukit), Chinese - Min Nan, Mandarin, Min Dong, Cantonese, Hakka - Iban (Dayak laut), Tutong.

Indonesia: Bahasa Indonesia, Javanese, Sundanese, Balinese. Acehnese, Batak, Betawi, Madurese, Bugis, Sasak, Chinese - Mandarin, Min Nan, Hakka - Tukang Besi, Uab (Atoni) Meto (Timorese), Toraja (Sadan)/Mamasa, Tolaki, Bajau, Tae (Luwu/Rongkong).  Sangih, Osing (Banyuwangi), Palembang (Musi), Minangkabau (Padang), Mandar (Majane/Mamuju), various Malay dialects (Ambon-Kutai), Basa Kupang, Lampung,  Kambera (Sumba Timur), Ledo/Ado/Doi (Palu), Gorontalo, Ekari (Kepauku), Dani. Hundreds of less-spoken languages.

East Timor: Portugese, Bahasa Indonesia, Tetun, Mambae, Kemak-Nogo, Baikenu (Uab Meto).

Philippines: Filipino/Tagalog, English, Cebuano/Visayan, Waray, Ilocano, Chavacano, Sug/Tausug/Sulu, Pampangan, Bicol, Hiligaynon, Maguindanao, Maranaw, Ibanag-Itawit, Ifugao, Binukidnon, Davawenyo/Kamayo, Manobo/Surigaonon, Masbateno (75% same Hiligaynon), Cuyo, Kalinga, Sama/Bangingi/Lutangan/Simunul, Subanen/Sindangan. Dozens of less-spoken languages.