Sexual Health Update: Latest STI Figures and Trends in the UK (2026)

Sexual health remains an important public health topic across the UK, with the latest data showing that sexually transmitted infections (STIs) remain common and, in some cases, are still increasing. Recent reports from the UK Health Security Agency (UKHSA) highlight both ongoing challenges and encouraging progress in testing and awareness.

Current STI Statistics in England

According to the latest national surveillance data, hundreds of thousands of new STI diagnoses are recorded each year in England. In 2024 there were around 379,000 new STI diagnoses, demonstrating the continued importance of testing and prevention.

The most commonly diagnosed infections remain:

• Chlamydia – accounting for around 46% of all new STI diagnoses (168,899 cases)

• Gonorrhoea – approximately 71,800 cases

• Genital herpes and genital warts also remain common infections.

  
  

These infections can often have few or no symptoms, which is why regular testing is recommended for anyone who is sexually active.

Rising Concerns Around Gonorrhoea and Syphilis

Although some STI numbers have stabilised or declined slightly in recent years, certain infections continue to rise, particularly syphilis and gonorrhoea.

In 2024, there were around 13,030 syphilis cases in England, a 5% increase compared with the previous year.

Health experts are also monitoring antibiotic-resistant strains of gonorrhoea, which make treatment more challenging. Surveillance in early 2025 reported a growing number of ceftriaxone-resistant gonorrhoea cases, highlighting the importance of early testing and treatment.

Young People Remain Most Affected

STIs are most frequently diagnosed among young people aged 15–24, although infections affect all age groups. Factors contributing to higher rates can include lower testing rates, reduced condom use and limited awareness of symptoms.

Many infections, particularly chlamydia, may not cause symptoms but can lead to complications such as pelvic inflammatory disease or infertility if left untreated.

Encouraging Signs from Recent Data

There are some positive developments. Preliminary data in 2025 suggested small declines in some infections, including early-stage syphilis and gonorrhoea during certain periods. However, experts caution that rates remain high overall, meaning regular testing and safe sex practices remain essential.

Public health organisations continue to emphasise the importance of education, accessible testing services and early treatment to help reduce transmission.

The Importance of Regular Sexual Health Testing

Because many STIs do not cause obvious symptoms, routine sexual health screening is one of the most effective ways to protect your health and the health of your partners. Testing allows infections to be detected early and treated quickly, preventing complications and reducing the spread within the community.

If you are sexually active, have a new partner, or are experiencing symptoms such as unusual discharge, pain when urinating, or genital sores, it is advisable to seek professional advice and testing.

Confidential Sexual Health Services

Our clinic offers confidential sexual health testing, treatment and advice, delivered in a professional and discreet clinical setting. Our experienced healthcare team can provide guidance, screening and treatment to help you take control of your sexual health with confidence.

If you would like to learn more or arrange a private sexual health appointment, please contact our team to book a consultation.