| 年份 | 人口总数 |
|---|---|
| 1960 | 282.86 |
| 1961 | 282.44 |
| 1962 | 283.61 |
| 1963 | 285.27 |
| 1964 | 286.66 |
| 1965 | 287.73 |
| 1966 | 288.88 |
| 1967 | 290.25 |
| 1968 | 291.56 |
| 1969 | 293.27 |
| 1970 | 295.73 |
| 1971 | 299.21 |
| 1972 | 303.69 |
| 1973 | 308.60 |
| 1974 | 313.75 |
| 1975 | 318.96 |
| 1976 | 323.81 |
| 1977 | 328.22 |
| 1978 | 332.91 |
| 1979 | 337.38 |
| 1980 | 341.28 |
| 1981 | 345.30 |
| 1982 | 348.58 |
| 1983 | 351.06 |
| 1984 | 353.24 |
| 1985 | 353.81 |
| 1986 | 353.97 |
| 1987 | 354.01 |
| 1988 | 352.49 |
| 1989 | 351.10 |
| 1990 | 351.40 |
| 1991 | 353.42 |
| 1992 | 355.84 |
| 1993 | 357.63 |
| 1994 | 359.04 |
| 1995 | 360.88 |
| 1996 | 363.75 |
| 1997 | 367.42 |
| 1998 | 371.27 |
| 1999 | 375.48 |
| 2000 | 380.52 |
| 2001 | 386.62 |
| 2002 | 393.19 |
| 2003 | 399.65 |
| 2004 | 407.03 |
| 2005 | 415.99 |
| 2006 | 427.36 |
| 2007 | 439.89 |
| 2008 | 448.95 |
| 2009 | 453.54 |
| 2010 | 456.02 |
| 2011 | 458.01 |
| 2012 | 459.95 |
| 2013 | 462.38 |
| 2014 | 465.77 |
| 2015 | 470.20 |
| 2016 | 475.53 |
| 2017 | 480.74 |
| 2018 | 486.73 |
| 2019 | 493.43 |
| 2020 | 498.54 |
| 2021 | 503.32 |
2021年，爱尔兰人口总数为503.32万人，比上年增加约5万人。
