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Historical Values
Year Value
1990 Vietnamese (official), French, Chinese, English, Khmer, tribal languages (Mon-Khmer and Malayo-Polynesian)
1991 Vietnamese (official), French, Chinese, English, Khmer, tribal languages (Mon-Khmer and Malayo-Polynesian)
1992 Vietnamese (official), French, Chinese, English, Khmer, tribal languages (Mon-Khmer and Malayo-Polynesian)
1993 Vietnamese (official), French, Chinese, English, Khmer, tribal languages (Mon-Khmer and Malayo-Polynesian)
1994 Vietnamese (official), French, Chinese, English, Khmer, tribal languages (Mon-Khmer and Malayo-Polynesian)
1995 Vietnamese (official), French, Chinese, English, Khmer, tribal languages (Mon-Khmer and Malayo-Polynesian)
1996 Vietnamese (official), French, Chinese, English, Khmer, tribal languages (Mon-Khmer and Malayo-Polynesian)
1997 Vietnamese (official), Chinese, English, French, Khmer, tribal languages (Mon-Khmer and Malayo-Polynesian)
1998 Vietnamese (official), Chinese, English, French, Khmer, tribal languages (Mon-Khmer and Malayo-Polynesian)
1999 Vietnamese (official), Chinese, English, French, Khmer, tribal languages (Mon-Khmer and Malayo-Polynesian)
2000 Vietnamese (official), Chinese, English, French, Khmer, tribal languages (Mon-Khmer and Malayo-Polynesian)
2001 Vietnamese (official), English (increasingly favored as a second language), some French, Chinese, and Khmer; mountain area languages (Mon-Khmer and Malayo-Polynesian)
2002 Vietnamese (official), English (increasingly favored as a second language), some French, Chinese, and Khmer; mountain area languages (Mon-Khmer and Malayo-Polynesian)
2003 Vietnamese (official), English (increasingly favored as a second language), some French, Chinese, and Khmer; mountain area languages (Mon-Khmer and Malayo-Polynesian)
2004 Vietnamese (official), English (increasingly favored as a second language), some French, Chinese, and Khmer; mountain area languages (Mon-Khmer and Malayo-Polynesian)
2005 Vietnamese (official), English (increasingly favored as a second language), some French, Chinese, and Khmer; mountain area languages (Mon-Khmer and Malayo-Polynesian)
2006 Vietnamese (official), English (increasingly favored as a second language), some French, Chinese, and Khmer; mountain area languages (Mon-Khmer and Malayo-Polynesian)
2007 Vietnamese (official), English (increasingly favored as a second language), some French, Chinese, and Khmer; mountain area languages (Mon-Khmer and Malayo-Polynesian)
2008 Vietnamese (official), English (increasingly favored as a second language), some French, Chinese, and Khmer; mountain area languages (Mon-Khmer and Malayo-Polynesian)
2009 Vietnamese (official), English (increasingly favored as a second language), some French, Chinese, and Khmer; mountain area languages (Mon-Khmer and Malayo-Polynesian)
2010 Vietnamese (official), English (increasingly favored as a second language), some French, Chinese, and Khmer; mountain area languages (Mon-Khmer and Malayo-Polynesian)
2011 Vietnamese (official), English (increasingly favored as a second language), some French, Chinese, and Khmer, mountain area languages (Mon-Khmer and Malayo-Polynesian)
2012 Vietnamese (official), English (increasingly favored as a second language), some French, Chinese, and Khmer, mountain area languages (Mon-Khmer and Malayo-Polynesian)
2013 Vietnamese (official), English (increasingly favored as a second language), some French, Chinese, and Khmer, mountain area languages (Mon-Khmer and Malayo-Polynesian)
2014 Vietnamese (official), English (increasingly favored as a second language), some French, Chinese, and Khmer, mountain area languages (Mon-Khmer and Malayo-Polynesian)
2015 Vietnamese (official), English (increasingly favored as a second language), some French, Chinese, and Khmer, mountain area languages (Mon-Khmer and Malayo-Polynesian)
2016 Vietnamese (official), English (increasingly favored as a second language), some French, Chinese, and Khmer, mountain area languages (Mon-Khmer and Malayo-Polynesian)
2017 Vietnamese (official), English (increasingly favored as a second language), some French, Chinese, and Khmer, mountain area languages (Mon-Khmer and Malayo-Polynesian)
2018 Vietnamese (official), English (increasingly favored as a second language), some French, Chinese, and Khmer, mountain area languages (Mon-Khmer and Malayo-Polynesian)
2019 Vietnamese (official), English (increasingly favored as a second language), some French, Chinese, and Khmer, mountain area languages (Mon-Khmer and Malayo-Polynesian)
2020 Vietnamese (official), English (increasingly favored as a second language), some French, Chinese, and Khmer, mountain area languages (Mon-Khmer and Malayo-Polynesian)
2021 Vietnamese (official), English (increasingly favored as a second language), some French, Chinese, and Khmer, mountain area languages (Mon-Khmer and Malayo-Polynesian) major-language sample(s): Dữ kiện thế giới, l nguồn th ng tin cơ bản kh ng thể thiếu. (Vietnamese) The World Factbook, the indispensable source for basic information.
2022 Vietnamese (official), English (increasingly favored as a second language), some French, Chinese, and Khmer, mountain area languages (Mon-Khmer and Malayo-Polynesian) major-language sample(s): Dữ kiện thế giới, l nguồn th ng tin cơ bản kh ng thể thiếu. (Vietnamese) The World Factbook, the indispensable source for basic information.
2023 Vietnamese (official), English (increasingly favored as a second language), some French, Chinese, and Khmer, mountain area languages (Mon-Khmer and Malayo-Polynesian) major-language sample(s): Dữ kiện thế giới, l nguồn th ng tin cơ bản kh ng thể thiếu. (Vietnamese) The World Factbook, the indispensable source for basic information.
2024 Vietnamese (official); English (often as a second language); some French, Chinese, and Khmer; mountain-area languages (including Mon-Khmer and Malayo-Polynesian) major-language sample(s): Dữ kiện thế giới, l nguồn th ng tin cơ bản kh ng thể thiếu. (Vietnamese) The World Factbook, the indispensable source for basic information.
2025 Vietnamese (official); English (often as a second language); some French, Chinese, and Khmer; mountain-area languages (including Mon-Khmer and Malayo-Polynesian) major-language sample(s): Dữ kiện thế giới, l nguồn th ng tin cơ bản kh ng thể thiếu. (Vietnamese) The World Factbook, the indispensable source for basic information.