Saint-Marin — Population : évolution (1950–2026)
Population
Tableau de données
| 1950 | 12 948 | 1976 | 19 110 | 2002 | 27 491 |
| 1951 | 13 120 | 1977 | 20 017 | 2003 | 27 843 |
| 1952 | 13 279 | 1978 | 21 026 | 2004 | 28 202 |
| 1953 | 13 437 | 1979 | 21 320 | 2005 | 28 572 |
| 1954 | 13 610 | 1980 | 21 585 | 2006 | 28 942 |
| 1955 | 13 793 | 1981 | 21 840 | 2007 | 29 316 |
| 1956 | 14 049 | 1982 | 22 055 | 2008 | 29 701 |
| 1957 | 14 384 | 1983 | 22 228 | 2009 | 30 090 |
| 1958 | 14 726 | 1984 | 22 346 | 2010 | 30 624 |
| 1959 | 15 073 | 1985 | 22 485 | 2011 | 32 169 |
| 1960 | 15 428 | 1986 | 22 636 | 2012 | 33 467 |
| 1961 | 15 799 | 1987 | 22 686 | 2013 | 33 620 |
| 1962 | 16 183 | 1988 | 22 843 | 2014 | 33 725 |
| 1963 | 16 580 | 1989 | 23 154 | 2015 | 33 901 |
| 1964 | 16 977 | 1990 | 23 475 | 2016 | 34 161 |
| 1965 | 17 305 | 1991 | 23 798 | 2017 | 34 378 |
| 1966 | 17 523 | 1992 | 24 125 | 2018 | 34 528 |
| 1967 | 17 688 | 1993 | 24 472 | 2019 | 34 653 |
| 1968 | 17 861 | 1994 | 24 823 | 2020 | 34 769 |
| 1969 | 18 026 | 1995 | 25 158 | 2021 | 34 572 |
| 1970 | 18 168 | 1996 | 25 482 | 2022 | 34 090 |
| 1971 | 18 419 | 1997 | 25 800 | 2023 | 33 733 |
| 1972 | 18 786 | 1998 | 26 125 | 2024 | 33 581 |
| 1973 | 18 992 | 1999 | 26 459 | 2025 | 33 572 |
| 1974 | 19 030 | 2000 | 26 799 | 2026 | 33 605 |
| 1975 | 19 046 | 2001 | 27 143 |
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