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The Daily Insight

How many people get chlamydia a year UK?

Author

Michael Gray

Updated on April 02, 2026

How common is chlamydia in the UK? Chlamydia is the most common STI in the UK. It is especially common in the under 25s. In 2019, over 229000 people were diagnosed with chlamydia in England, which is 49% of all STIs.

How many people had chlamydia in 2018?

Chlamydia is caused by the bacterium Chlamydia trachomatis. From 1997 to 2017, the rate of reported chlamydia infections increased from about 206 to 529 cases per 100,000 population. More than 1.7 million chlamydia cases were reported in 2018, though many more cases go undiagnosed and unreported.

How many cases of chlamydia are there in 2019?

In 2019, a total of 1,808,703 cases of Chlamydia trachomatis infection were reported to the CDC, making it the most common notifiable condition in the United States for that year. This case count corresponds to a rate of 552.8 cases per 100,000 population, an increase of 2.8% compared with the rate in 2018.

Is chlamydia common in UK?

Chlamydia is one of the most common sexually transmitted infections (STI) in the UK, with up to one in ten sexually active young people thought to be infected. Chlamydia is usually passed from person to person through unprotected vaginal, oralor anal sex.

What population is most affected by chlamydia?

Chlamydia is most common among young people. Two-thirds of new chlamydial infections occur among youth aged 15-24 years. It is estimated that 1 in 20 sexually active young women aged 14-24 years has chlamydia. Disparities persist among racial and ethnic minority groups.

What is the mortality rate of chlamydia?

The overall mortality rate from chlamydial and gonococcal infections, PID, and ectopic pregnancy was less than 0.1 deaths per 100 000 women in women aged 15 to 44 years. The median number of deaths was 28 per year (range = 23–40).

What country has the highest rate of chlamydia?

Denmark had the highest notification rate of chlamydia in 2019 with 614 cases per 100,000 population, followed by Norway with a notification rate of approximately 533.

What are the top 3 leading STDs for 15 year olds?

Some of the Most Common STDs in Teens and Young Adults Congenital syphilis, gonorrhea, and chlamydia are all STDs which contribute to a large portion of pediatric cases. 50% of new STD cases each year occur in individuals aged 15 to 24 years old.

Can a 14 year old have STD?

And young people between the ages of 15-24 have a higher chance of getting an STD than anyone else. Some of the most common STDs (like gonorrhea and chlamydia) can be cured with antibiotics, and aren’t dangerous if you get treatment right away.

How common is STD in UK?

In 2018, there were 447,694 new diagnoses of STIs made at sexual health services (SHSs) in England, a 5% increase since 2017 when 422,147 new STI diagnoses were made. Of these, the most commonly diagnosed STIs were: chlamydia (49% of all new diagnoses)

What state has the most Chlamydia?

States with the highest rates of chlamydia include Hawaii, Mississippi, Louisiana, South Carolina and Alabama, according to the map. Gonorrhea is also most prevalent in the South, and specifically in the states of Mississippi, Louisiana, South Carolina, Alabama and Arkansas.

Who is most likely to contract Chlamydia?

People who have unprotected sex with multiple partners are more likely to contract chlamydial urethritis than those who practice safe sex and are in a monogamous relationship. Sexually active people before the age of 25 are also more likely to contract STDs in general, including chlamydia, according to the Mayo Clinic.

What percentage of the population has chlamydia?

1.8 Million Americans Have Chlamydia, Report Finds. The researchers found that between 2007 and 2012, about 1.7 percent of people in this age group had a chlamydia infection, which translates to about 1.8 million infections nationwide.

What are facts about Chlamydia?

Chlamydia Facts. Because it is caused by a bacterium, not a virus, chlamydia can be cured with a complete course of the correct antibiotics. The biggest obstacle to curing chlamydia is that most infected people have no symptoms. About 80% of women and 10% of men have no symptoms until the disease has caused other health problems.