| 年份 | 人口总数 |
|---|---|
| 1960 | 5019.97 |
| 1961 | 5053.64 |
| 1962 | 5087.95 |
| 1963 | 5125.20 |
| 1964 | 5167.54 |
| 1965 | 5211.24 |
| 1966 | 5251.90 |
| 1967 | 5290.05 |
| 1968 | 5323.58 |
| 1969 | 5353.80 |
| 1970 | 5382.19 |
| 1971 | 5407.35 |
| 1972 | 5438.13 |
| 1973 | 5475.14 |
| 1974 | 5511.09 |
| 1975 | 5544.10 |
| 1976 | 5571.83 |
| 1977 | 5595.54 |
| 1978 | 5615.51 |
| 1979 | 5631.77 |
| 1980 | 5643.39 |
| 1981 | 5650.17 |
| 1982 | 5654.35 |
| 1983 | 5656.41 |
| 1984 | 5657.67 |
| 1985 | 5659.31 |
| 1986 | 5659.62 |
| 1987 | 5660.19 |
| 1988 | 5662.93 |
| 1989 | 5667.18 |
| 1990 | 5671.92 |
| 1991 | 5675.85 |
| 1992 | 5679.71 |
| 1993 | 5683.18 |
| 1994 | 5684.34 |
| 1995 | 5684.43 |
| 1996 | 5686.03 |
| 1997 | 5689.04 |
| 1998 | 5690.67 |
| 1999 | 5691.63 |
| 2000 | 5694.21 |
| 2001 | 5697.41 |
| 2002 | 5705.90 |
| 2003 | 5731.32 |
| 2004 | 5768.53 |
| 2005 | 5796.95 |
| 2006 | 5814.40 |
| 2007 | 5843.83 |
| 2008 | 5882.67 |
| 2009 | 5909.54 |
| 2010 | 5927.74 |
| 2011 | 5937.94 |
| 2012 | 5953.97 |
| 2013 | 6023.39 |
| 2014 | 6078.91 |
| 2015 | 6073.06 |
| 2016 | 6062.75 |
| 2017 | 6053.67 |
| 2018 | 6042.18 |
| 2019 | 5972.91 |
| 2020 | 5943.89 |
| 2021 | 5910.97 |
2021年，意大利人口总数为5910.97万人，比上年减少约33万人。2015年以来，意大利总人口出现连续的负增长。
