Date | Ireland Population | 1950 | 2,912,680 | 1951 | 2,912,608 | 1952 | 2,909,051 | 1953 | 2,901,318 | 1954 | 2,889,280 | 1955 | 2,873,415 | 1956 | 2,854,777 | 1957 | 2,835,057 | 1958 | 2,816,351 | 1959 | 2,801,091 | 1960 | 2,791,397 | 1961 | 2,788,531 | 1962 | 2,792,374 | 1963 | 2,801,184 | 1964 | 2,812,224 | 1965 | 2,823,650 | 1966 | 2,834,682 | 1967 | 2,846,347 | 1968 | 2,860,727 | 1969 | 2,880,764 | 1970 | 2,908,421 | 1971 | 2,944,088 | 1972 | 2,986,566 | 1973 | 3,034,319 | 1974 | 3,085,156 | 1975 | 3,137,176 | 1976 | 3,189,865 | 1977 | 3,242,768 | 1978 | 3,294,161 | 1979 | 3,342,005 | 1980 | 3,384,756 | 1981 | 3,422,018 | 1982 | 3,453,786 | 1983 | 3,479,458 | 1984 | 3,498,530 | 1985 | 3,510,979 | 1986 | 3,516,422 | 1987 | 3,515,828 | 1988 | 3,512,185 | 1989 | 3,509,519 | 1990 | 3,510,885 | 1991 | 3,517,710 | 1992 | 3,529,853 | 1993 | 3,546,931 | 1994 | 3,567,912 | 1995 | 3,592,186 | 1996 | 3,619,641 | 1997 | 3,651,096 | 1998 | 3,687,819 | 1999 | 3,731,468 | 2000 | 3,783,103 | 2001 | 3,842,245 | 2002 | 3,907,998 | 2003 | 3,980,076 | 2004 | 4,058,130 | 2005 | 4,141,223 | 2006 | 4,230,623 | 2007 | 4,324,641 | 2008 | 4,415,872 | 2009 | 4,494,576 | 2010 | 4,554,321 | 2011 | 4,591,105 | 2012 | 4,608,198 | 2013 | 4,615,422 | 2014 | 4,626,844 | 2015 | 4,652,425 | 2016 | 4,695,779 | 2017 | 4,753,279 | 2018 | 4,818,690 | 2019 | 4,882,495 | 2020 | 4,937,786 | |