In 2020, there were approximately 54.1 million adults in Thailand. This was a slight increase from the previous year, which there were around 53.1 adults in the country. Adults are classified as individuals above the age of 18 years.
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Credit Suisse. (July 1, 2021). Number of adults in Thailand from 2011 to 2020 (in millions) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 30, 2026, from /statistics/667800/number-of-adults-in-thailand/
Credit Suisse. "Number of adults in Thailand from 2011 to 2020 (in millions)." Chart. July 1, 2021. ÌÇÐÄÆƽâ°æ. Accessed July 30, 2026. /statistics/667800/number-of-adults-in-thailand/
Credit Suisse. (2021). Number of adults in Thailand from 2011 to 2020 (in millions). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 30, 2026. /statistics/667800/number-of-adults-in-thailand/
Credit Suisse. "Number of Adults in Thailand from 2011 to 2020 (in Millions)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 1 Jul 2021, /statistics/667800/number-of-adults-in-thailand/
Credit Suisse, Number of adults in Thailand from 2011 to 2020 (in millions) ÌÇÐÄÆƽâ°æ, /statistics/667800/number-of-adults-in-thailand/ (last visited July 30, 2026)
Number of adults in Thailand from 2011 to 2020 (in millions) [Graph], Credit Suisse, July 1, 2021. [Online]. Available: /statistics/667800/number-of-adults-in-thailand/
