In 2011, the latest figures available from the ESRI, Ireland reported the highest fertility rate of any of the 27 EU countries, at 16.2 births per 1,000 population.

The twinning rate for 2011 was 18.1 per 1,000 maternities, compared with a twinning rate in 2010 of 16.7 per 1,000 maternities. Multiple births in 2011 included 1,319 sets of twins, 28 sets of triplets and 1 set of quadruplets.

 

Multiple Births in Ireland

2002 2003 2004 2005 2006 2007 2008 2009 2010 2011
Twin births 1,728 1,747 1,849 1,833 1,916 2,185 2,575 2,377 2,480 2,638
Triplet births 54 78 54 47 51 83 92 39 74 84
Quadruplet births 12 0 4 4 4 3 4 4 0 4

 

Source: ESRI Perinatal Statistics Report 2011, Health Research and Information Division, December 2012