HIV in Ireland

The Health Protection Surveillance Centre (HPSC) is responsible for the collation and analysis of data on HIV and AIDS in Ireland.  The data below is taken from the 2015 Report on HIV in Ireland – the most recent report issued by the HPSC (5th October 2016).  This and other reports can be accessed at

7,838 people have been diagnosed with HIV in Ireland since the early 1980’s.


Summary Report 2015

  • 485 people were newly diagnosed with HIV in Ireland in 2015.
  • This is a rate of 10.6 per 100,000 population.
  • 369 were male (76%), 116 were female (24%).

Age Groups:

  • 28% of new HIV diagnosis was reported among those aged 29 years and younger.
  • 43% of new HIV diagnosis was reported among 30 to 39 year olds.
  • 20% of new HIV diagnosis was reported among 40 to 49 year olds.
  • 9% of new HIV diagnosis was reported among those aged 50 years and older.
  • The median age of adult cases at HIV diagnosis was 34 years.

Probable Route of Transmission:

Information on the probable route of transmission was available for 89% of diagnoses in 2015.

  • Sex between men was the predominant route of HIV transmission in Ireland in 2015 and accounted for just over half of diagnoses (51%).
  • There was a large increase in diagnoses among MSM from Latin America between 2014 and 2015 (from 38 to 84 diagnoses).
  • Heterosexual contact was the second most commonly reported mode of transmission in 2015 (130; 27%).
  • The majority of heterosexual cases (58%) were born in countries with generalised HIV epidemics.
  • 10% of new diagnoses (n=49) were among people who inject drugs, which was an increase of 81% compared to 2014 (n=27).
  • Five mother to child transmission cases were notified in 2015.  None of these were born in Ireland and there were no reported mother to child transmissions in Ireland in 2015.

Region of Birth:

  • Of the diagnoses in 2015, 30% (n=145) were born in Ireland, 55% (n=267) were born abroad and 15% (n=73) did not have information on country of birth.
  • Of the 267 cases among migrants, 35% (n=94) were born in sub-Saharan Africa and 33% (n=88) were born in Latin America.
  • Just over a third (35%) of the male cases were born in Ireland.  15% of female cases were born in Ireland.
  • Over half (53%) of female cases were born in sub-Saharan Africa.


  • Among the HIV diagnoses in 2015, 6 people were reported to have died at the time of HIV notification (five men and one woman).
  • There were 9 deaths reported to the CSO in 2015 where the cause of death was AIDS or HIV (8 males and 1 female).

Global Statistics: HIV

UNAIDS ( publishes epidemiological reports on HIV.  The latest report was issued on World AIDS Day 2015 – AIDS by the numbers 2015.