The number of new HIV cases in Singapore has been gradually decreasing over the years, even though there was a slight increase in 2025, said the Communicable Diseases Agency (CDA).
In an update on the HIV/AIDS situation in Singapore, CDA on Saturday (May 23) said there were 166 new cases of HIV reported among Singapore citizens and permanent residents in 2025, a slight increase from the 151 cases reported in 2024.Â
This brings the total number of Singapore residents known to be living with HIV to 7,248 as of end 2025, with a prevalence of 172 infections per 100,00 resident population. As of June 2025, Singapore’s resident population stood at 4.2 million.Â
“The number of new cases annually has been gradually decreasing over the years, ranging from 300 to 500 from 2009 to 2019, 200 to 270 cases from 2020 to 2023, before declining to few that 200 cases annually since 2024,” the agency stated.Â
Explaining the increase recorded in 2025, CDA said that year-on-year fluctuations are expected, adding that it will continue to monitor the trend.
Sexual intercourse remains the main mode of HIV transmission, accounting for 161 or 97 per cent of the cases.Â
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