| 年份 | 意大利 |
| 人口 | 占世界% |
| 2021 | 5.91千万 (59,109,668) | 0.7493% |
| 2020 | 5.94千万 (59,438,851) | 0.7600% |
| 2019 | 5.97千万 (59,729,081) | 0.7714% |
| 2018 | 6.04千万 (60,421,760) | 0.7886% |
| 2017 | 6.05千万 (60,536,709) | 0.7988% |
| 2016 | 6.06千万 (60,627,498) | 0.8092% |
| 2015 | 6.07千万 (60,730,582) | 0.8201% |
| 2014 | 6.08千万 (60,789,140) | 0.8307% |
| 2013 | 6.02千万 (60,233,948) | 0.8332% |
| 2012 | 5.95千万 (59,539,717) | 0.8338% |
| 2011 | 5.94千万 (59,379,449) | 0.8418% |
| 2010 | 5.93千万 (59,277,417) | 0.8505% |
| 2009 | 5.91千万 (59,095,365) | 0.8583% |
| 2008 | 5.88千万 (58,826,731) | 0.8649% |
| 2007 | 5.84千万 (58,438,310) | 0.8699% |
| 2006 | 5.81千万 (58,143,979) | 0.8763% |
| 2005 | 5.80千万 (57,969,484) | 0.8847% |
| 2004 | 5.77千万 (57,685,327) | 0.8915% |
| 2003 | 5.73千万 (57,313,203) | 0.8970% |
| |
| 2002 | 5.71千万 (57,059,007) | 0.9045% |
| 2001 | 5.70千万 (56,974,100) | 0.9150% |
| 2000 | 5.69千万 (56,942,108) | 0.9267% |
| 1999 | 5.69千万 (56,916,317) | 0.9389% |
| 1998 | 5.69千万 (56,906,744) | 0.9517% |
| 1997 | 5.69千万 (56,890,372) | 0.9649% |
| 1996 | 5.69千万 (56,860,281) | 0.9784% |
| 1995 | 5.68千万 (56,844,303) | 0.9926% |
| 1994 | 5.68千万 (56,843,400) | 1.0075% |
| 1993 | 5.68千万 (56,831,821) | 1.0228% |
| 1992 | 5.68千万 (56,797,087) | 1.0383% |
| 1991 | 5.68千万 (56,758,521) | 1.0545% |
| 1990 | 5.67千万 (56,719,240) | 1.0715% |
| 1989 | 5.67千万 (56,671,781) | 1.0893% |
| 1988 | 5.66千万 (56,629,288) | 1.1074% |
| 1987 | 5.66千万 (56,601,931) | 1.1265% |
| 1986 | 5.66千万 (56,596,155) | 1.1466% |
| 1985 | 5.66千万 (56,593,071) | 1.1668% |
| 1984 | 5.66千万 (56,576,718) | 1.1869% |
| 1983 | 5.66千万 (56,564,074) | 1.2074% |
| |
| 1982 | 5.65千万 (56,543,548) | 1.2285% |
| 1981 | 5.65千万 (56,501,675) | 1.2498% |
| 1980 | 5.64千万 (56,433,883) | 1.2703% |
| 1979 | 5.63千万 (56,317,749) | 1.2900% |
| 1978 | 5.62千万 (56,155,143) | 1.3090% |
| 1977 | 5.60千万 (55,955,411) | 1.3272% |
| 1976 | 5.57千万 (55,718,260) | 1.3448% |
| 1975 | 5.54千万 (55,441,001) | 1.3621% |
| 1974 | 5.51千万 (55,110,868) | 1.3792% |
| 1973 | 5.48千万 (54,751,406) | 1.3967% |
| 1972 | 5.44千万 (54,381,345) | 1.4148% |
| 1971 | 5.41千万 (54,073,490) | 1.4351% |
| 1970 | 5.38千万 (53,821,850) | 1.4585% |
| 1969 | 5.35千万 (53,537,950) | 1.4811% |
| 1968 | 5.32千万 (53,235,750) | 1.5037% |
| 1967 | 5.29千万 (52,900,500) | 1.5252% |
| 1966 | 5.25千万 (52,519,000) | 1.5453% |
| 1965 | 5.21千万 (52,112,350) | 1.5657% |
| 1964 | 5.17千万 (51,675,350) | 1.5849% |
| 1963 | 5.13千万 (51,252,000) | 1.6049% |
| 1962 | 5.09千万 (50,879,450) | 1.6271% |
| 1961 | 5.05千万 (50,536,350) | 1.6448% |
| 1960 | 5.02千万 (50,199,700) | 1.6559% |
| 1959 | 4.92千万 (49,208,667) | 1.6608% |