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Historical Values
Year Value
1990 Mandarin Chinese (official); Taiwanese and Hakka dialects also used
1991 Mandarin Chinese (official); Taiwanese and Hakka dialects also used
1992 Mandarin Chinese (official); Taiwanese (Miu) and Hakka dialects also used
1993 Madarin Chinese (official), Taiwanese (Min), Hakka dialects
1994 Mandarin Chinese (official), Taiwanese (Min), Hakka dialects
1995 Mandarin Chinese (official), Taiwanese (Min), Hakka dialects
1996 Mandarin Chinese (official), Taiwanese (Min), Hakka dialects
1997 Mandarin Chinese (official), Taiwanese (Min), Hakka dialects
1998 Mandarin Chinese (official), Taiwanese (Min), Hakka dialects
1999 Mandarin Chinese (official), Taiwanese (Min), Hakka dialects
2000 Mandarin Chinese (official), Taiwanese (Min), Hakka dialects
2001 Mandarin Chinese (official), Taiwanese (Min), Hakka dialects
2002 Mandarin Chinese (official), Taiwanese (Min), Hakka dialects
2003 Mandarin Chinese (official), Taiwanese (Min), Hakka dialects
2004 Mandarin Chinese (official), Taiwanese (Min), Hakka dialects
2005 Mandarin Chinese (official), Taiwanese (Min), Hakka dialects
2006 Mandarin Chinese (official), Taiwanese (Min), Hakka dialects
2007 Mandarin Chinese (official), Taiwanese (Min), Hakka dialects
2008 Mandarin Chinese (official), Taiwanese (Min), Hakka dialects
2009 Mandarin Chinese (official), Taiwanese (Min), Hakka dialects
2010 Mandarin Chinese (official), Taiwanese (Min), Hakka dialects
2011 Mandarin Chinese (official), Taiwanese (Min), Hakka dialects
2012 Mandarin Chinese (official), Taiwanese (Min), Hakka dialects
2013 Mandarin Chinese (official), Taiwanese (Min), Hakka dialects
2014 Mandarin Chinese (official), Taiwanese (Min), Hakka dialects
2015 Mandarin Chinese (official), Taiwanese (Min), Hakka dialects
2016 Mandarin Chinese (official), Taiwanese (Min), Hakka dialects
2017 Mandarin Chinese (official), Taiwanese (Min), Hakka dialects
2018 Mandarin Chinese (official), Taiwanese (Min Nan), Hakka dialects
2019 Mandarin Chinese (official), Taiwanese (Min Nan), Hakka dialects, approximately 16 indigenous languages
2020 Mandarin Chinese (official), Taiwanese (Min Nan), Hakka dialects, approximately 16 indigenous languages
2021 Mandarin (official), Taiwanese (Min Nan), Hakka dialects, approximately 16 indigenous languages major-language sample(s): 世界概況 不可缺少的基本消息來源 (Mandarin) The World Factbook, the indispensable source for basic information.
2022 Mandarin (official), Taiwanese (Min Nan), Hakka dialects, approximately 16 indigenous languages major-language sample(s): 世界概況 不可缺少的基本消息來源 (Mandarin) The World Factbook, the indispensable source for basic information.
2023 Mandarin (official), Min Nan, Hakka dialects, approximately 16 indigenous languages major-language sample(s): 世界概況 不可缺少的基本消息來源 (Mandarin) The World Factbook, the indispensable source for basic information.
2024 Mandarin (official), Min Nan, Hakka dialects, approximately 16 indigenous languages major-language sample(s): 世界概況 不可缺少的基本消息來源 (Mandarin) The World Factbook, the indispensable source for basic information.
2025 Mandarin (official), Min Nan, Hakka dialects, approximately 16 indigenous languages major-language sample(s): 世界概況 不可缺少的基本消息來源 (Mandarin) The World Factbook, the indispensable source for basic information.