Prevalence of HIV as a percentage of population aged 15-49 years fell 9.09% to 1.00% in Thailand in 2021, according to World Bank / WHO.
Historically, prevalence of HIV as a percentage of population aged 15-49 years in Thailand reached an all time high of 2.20% in 1997 and an all time low of 0.800% in 1990. When compared to Thailand's main peers, prevalence of HIV as a percentage of population aged 15-49 years in Cambodia amounted to 0.600%, 0.300% in Laos, 0.300% in Malaysia and 0.800% in Myanmar in 2021.
Thailand has been ranked 38th within the group of 136 countries we follow in terms of prevalence of HIV as a percentage of population aged 15-49 years, 3 places below the position seen 10 years ago.
| Prevalence of HIV, Total (As % of Population Aged 15-49) | Unit | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 |
| Cambodia | % | 0.800% | 0.700% | 0.700% | 0.700% | 0.600% | ||||||||||||||||
| China | % | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... |
| India | % | 0.300% | 0.200% | 0.200% | 0.200% | 0.200% | ||||||||||||||||
| Laos | % | 0.300% | 0.300% | 0.300% | 0.300% | 0.300% | ||||||||||||||||
| Malaysia | % | 0.300% | 0.300% | 0.300% | 0.300% | 0.300% | ||||||||||||||||
| Myanmar | % | 0.900% | 0.900% | 0.800% | 0.800% | 0.800% | ||||||||||||||||
| Singapore | % | 0.300% | 0.300% | 0.200% | 0.200% | 0.200% | ||||||||||||||||
| Thailand | % | 1.30% | 1.30% | 1.30% | 1.20% | 1.20% | ||||||||||||||||
| Vietnam | % | 0.400% | 0.400% | 0.400% | 0.300% | 0.300% |
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