| 年份 | 意大利 |
| 人口 | 占世界% |
| 2021 | 3.76千万 (37,633,815) | 0.7352% |
| 2020 | 3.79千万 (37,904,109) | 0.7470% |
| 2019 | 3.82千万 (38,153,861) | 0.7592% |
| 2018 | 3.87千万 (38,658,939) | 0.7766% |
| 2017 | 3.88千万 (38,770,686) | 0.7866% |
| 2016 | 3.89千万 (38,880,651) | 0.7969% |
| 2015 | 3.90千万 (39,023,708) | 0.8084% |
| 2014 | 3.92千万 (39,180,526) | 0.8206% |
| 2013 | 3.90千万 (38,985,081) | 0.8258% |
| 2012 | 3.87千万 (38,703,235) | 0.8296% |
| 2011 | 3.88千万 (38,780,536) | 0.8416% |
| 2010 | 3.88千万 (38,830,477) | 0.8537% |
| 2009 | 3.88千万 (38,762,126) | 0.8641% |
| 2008 | 3.86千万 (38,648,892) | 0.8740% |
| 2007 | 3.84千万 (38,435,856) | 0.8822% |
| 2006 | 3.83千万 (38,318,239) | 0.8933% |
| 2005 | 3.84千万 (38,356,918) | 0.9090% |
| 2004 | 3.83千万 (38,343,139) | 0.9245% |
| 2003 | 3.82千万 (38,224,559) | 0.9377% |
| |
| 2002 | 3.82千万 (38,184,023) | 0.9533% |
| 2001 | 3.83千万 (38,273,154) | 0.9728% |
| 2000 | 3.84千万 (38,388,464) | 0.9934% |
| 1999 | 3.85千万 (38,513,718) | 1.0147% |
| 1998 | 3.86千万 (38,637,019) | 1.0366% |
| 1997 | 3.87千万 (38,744,783) | 1.0590% |
| 1996 | 3.88千万 (38,847,942) | 1.0819% |
| 1995 | 3.90千万 (38,977,750) | 1.1056% |
| 1994 | 3.91千万 (39,095,158) | 1.1289% |
| 1993 | 3.92千万 (39,161,042) | 1.1507% |
| 1992 | 3.92千万 (39,201,752) | 1.1718% |
| 1991 | 3.91千万 (39,064,138) | 1.1885% |
| 1990 | 3.89千万 (38,855,827) | 1.2038% |
| 1989 | 3.87千万 (38,733,903) | 1.2226% |
| 1988 | 3.86千万 (38,602,014) | 1.2423% |
| 1987 | 3.85千万 (38,472,953) | 1.2633% |
| 1986 | 3.83千万 (38,335,343) | 1.2852% |
| 1985 | 3.82千万 (38,205,166) | 1.3085% |
| 1984 | 3.80千万 (37,971,641) | 1.3292% |
| 1983 | 3.76千万 (37,586,542) | 1.3456% |
| |
| 1982 | 3.72千万 (37,171,841) | 1.3612% |
| 1981 | 3.68千万 (36,780,294) | 1.3775% |
| 1980 | 3.64千万 (36,395,980) | 1.3946% |
| 1979 | 3.61千万 (36,058,794) | 1.4139% |
| 1978 | 3.58千万 (35,809,874) | 1.4383% |
| 1977 | 3.56千万 (35,600,015) | 1.4642% |
| 1976 | 3.54千万 (35,402,275) | 1.4865% |
| 1975 | 3.52千万 (35,203,501) | 1.5066% |
| 1974 | 3.50千万 (35,019,034) | 1.5280% |
| 1973 | 3.49千万 (34,864,065) | 1.5523% |
| 1972 | 3.47千万 (34,717,690) | 1.5796% |
| 1971 | 3.46千万 (34,621,413) | 1.6098% |
| 1970 | 3.46千万 (34,569,182) | 1.6434% |
| 1969 | 3.45千万 (34,513,051) | 1.6771% |
| 1968 | 3.44千万 (34,447,405) | 1.7102% |
| 1967 | 3.44千万 (34,360,674) | 1.7423% |
| 1966 | 3.42千万 (34,244,632) | 1.7730% |
| 1965 | 3.41千万 (34,082,042) | 1.8004% |
| 1964 | 3.39千万 (33,871,314) | 1.8232% |
| 1963 | 3.36千万 (33,607,375) | 1.8407% |
| 1962 | 3.33千万 (33,310,686) | 1.8560% |
| 1961 | 3.30千万 (33,045,989) | 1.8700% |
| 1960 | 3.29千万 (32,869,781) | 1.8821% |
| 1959 | 3.22千万 (32,245,012) | 1.8715% |