thumb|[[Population pyramid of San Marino in 2016]]
<!-- "none" is a legitimate description when the title is already adequate; see WP:SDNONE -->
The demographics of San Marino include population density, ethnicity, education level, economic status, religious affiliations and other aspects of the population.
The population of San Marino consists of native Sammarinese and Italian citizens. Crop farming, sheep farming, and the working of stone from the quarries formed the early backbone of San Marino's economy. It has no mineral resources and most of the land is cultivated or covered by woods.
Population size and structure
Structure of the population
{| class="wikitable"
|-
! width="80pt"|Age group
! width="80pt"|Male
! width="80pt"|Female
! width="80pt"|Total
! width="80pt"|%
|-
| align="right" | Total
| align="right" | 16 982
| align="right" | 17 823
| align="right" | 34 805
| align="right" | 100
|-
| align="right" | 0–4
| align="right" | 623
| align="right" | 610
| align="right" | 1 233
| align="right" | 3.54
|-
| align="right" | 5–9
| align="right" | 812
| align="right" | 776
| align="right" | 1 588
| align="right" | 4.56
|-
| align="right" | 10–14
| align="right" | 918
| align="right" | 866
| align="right" | 1 784
| align="right" | 5.13
|-
| align="right" | 15–19
| align="right" | 942
| align="right" | 800
| align="right" | 1 742
| align="right" | 5.01
|-
| align="right" | 20–24
| align="right" | 910
| align="right" | 815
| align="right" | 1 725
| align="right" | 4.96
|-
| align="right" | 25–29
| align="right" | 828
| align="right" | 819
| align="right" | 1 647
| align="right" | 4.73
|-
| align="right" | 30–34
| align="right" | 861
| align="right" | 900
| align="right" | 1 761
| align="right" | 5.06
|-
| align="right" | 35–39
| align="right" | 1 017
| align="right" | 1 038
| align="right" | 2 055
| align="right" | 5.90
|-
| align="right" | 40–44
| align="right" | 1 210
| align="right" | 1 387
| align="right" | 2 597
| align="right" | 7.46
|-
| align="right" | 45–49
| align="right" | 1 487
| align="right" | 1 600
| align="right" | 3 087
| align="right" | 8.87
|-
| align="right" | 50–54
| align="right" | 1 543
| align="right" | 1 673
| align="right" | 3 216
| align="right" | 9.24
|-
| align="right" | 55–59
| align="right" | 1 473
| align="right" | 1 539
| align="right" | 3 012
| align="right" | 8.65
|-
| align="right" | 60–64
| align="right" | 1 157
| align="right" | 1 208
| align="right" | 2 365
| align="right" | 6.80
|-
| align="right" | 65-69
| align="right" | 904
| align="right" | 972
| align="right" | 1 876
| align="right" | 5.39
|-
| align="right" | 70-74
| align="right" | 841
| align="right" | 891
| align="right" | 1 732
| align="right" | 4.98
|-
| align="right" | 75-79
| align="right" | 610
| align="right" | 703
| align="right" | 1 313
| align="right" | 3.77
|-
| align="right" | 80-84
| align="right" | 462
| align="right" | 559
| align="right" | 1 021
| align="right" | 2.93
|-
| align="right" | 85-89
| align="right" | 259
| align="right" | 411
| align="right" | 670
| align="right" | 1.93
|-
| align="right" | 90-94
| align="right" | 100
| align="right" | 195
| align="right" | 295
| align="right" | 0.85
|-
| align="right" | 95-99
| align="right" | 25
| align="right" | 53
| align="right" | 78
| align="right" | 0.22
|-
| align="right" | 100+
| align="right" | 0
| align="right" | 8
| align="right" | 8
| align="right" | 0.02
|-
! width="50"|Age group
! width="80pt"|Male
! width="80"|Female
! width="80"|Total
! width="50"|Percent
|-
| align="right" | 0–14
| align="right" | 2 353
| align="right" | 2 252
| align="right" | 4 605
| align="right" | 13.23
|-
| align="right" | 15–64
| align="right" | 11 428
| align="right" | 11 779
| align="right" | 23 207
| align="right" | 66.68
|-
| align="right" | 65+
| align="right" | 3 201
| align="right" | 3 792
| align="right" | 6 993
| align="right" | 20.09
|-
|}
Vital statistics
Sources:
{| class="wikitable sortable sort-under sticky-header-multi" style="text-align:right;"
|-
!
! width="70pt"|Average population
! width="70pt"|Live births
! width="70pt"|Deaths
! width="70pt"|Natural change
! width="70pt"|Crude birth rate (per 1000)
! width="70pt"|Crude death rate (per 1000)
! width="70pt"|Natural change (per 1000)
! width="70pt"|Total fertility rate
|-
|
|
|
|
|
|
|
|
|-
|
|
|
|
|
|
|
|
|-
|
|
|
|
|
|
|
|
|-
| 1947
| 12,100
| 280
| 143
| 137
| 23.1
| 11.8
| 11.3
|-
| 1948
| 12,300
| 257
| 107
| 150
| 21.4
| 8.9
| 12.5
|-
| 1949
| 12,400
| 271
| 102
| 169
| 21.9
| 8.2
| 13.7
|-
| 1950
| 12,800
| 233
| 118
| 115
| 18.2
| 9.2
| 9.0
|-
| 1951
| 13,000
| 233
| 91
| 142
| 17.9
| 7.0
| 10.9
|-
| 1952
|
| || ||
| || ||
|-
| 1953
|
| || ||
| || ||
|-
| 1954
|
| || ||
| || ||
|-
| 1955
|
| || ||
| || ||
|-
| 1956
|
| || ||
| || ||
|-
| 1957
|
| || ||
| || ||
|-
| 1958
|
| || ||
| || ||
|-
| 1959
|
| || ||
| || ||
|-
| 1960
| 15,400
| 260
| 133
| 127
| 16.9
| 8.6
| 8.3
|-
| 1961
| 15,600
| 301
| 123
| 178
| 19.3
| 7.9
| 11.4
|-
| 1962
| 16,700
| 293
| 126
| 167
| 17.5
| 7.5
| 10.0
|-
| 1963
| 17,000
| 286
| 116
| 170
| 16.8
| 6.8
| 10.0
|-
| 1964
| 17,300
| 298
| 149
| 149
| 17.2
| 8.6
| 8.6
|-
| 1965
| 17,400
| 286
| 148
| 138
| 16.4
| 8.5
| 7.9
|-
| 1966
| 17,700
| 314
| 134
| 180
| 17.7
| 7.6
| 10.1
|-
| 1967
| 17,900
| 303
| 129
| 174
| 16.9
| 7.2
| 9.7
|-
| 1968
| 18,300
| 310
| 156
| 154
| 16.9
| 8.5
| 8.4
|-
| 1969
| 18,800
| 308
| 141
| 167
| 16.4
| 7.5
| 8.9
|-
| 1970
| 17,800
| 288
| 133
| 155
| 16.2
| 7.5
| 8.7
|-
| 1971
| 18,400
| 327
| 145
| 182
| 17.8
| 7.9
| 9.9
|-
| 1972
| 18,700
| 309
| 138
| 171
| 16.5
| 7.4
| 9.1
|-
| 1973
| 19,000
| 328
| 146
| 182
| 17.3
| 7.7
| 9.6
|-
| 1974
| 19,300
| 294
| 148
| 146
| 15.2
| 7.7
| 7.5
|-
| 1975
| 19,800
| 280
| 159
| 121
| 14.1
| 8.0
| 6.1
|-
| 1976
| 20,100
| 297
| 136
| 161
| 14.8
| 6.8
| 8.0
|-
| 1977
| 20,500
| 291
| 136
| 155
| 14.2
| 6.6
| 7.6
|-
| 1978
| 20,800
| 283
| 156
| 127
| 13.6
| 7.5
| 6.1
|-
| 1979
| 21,000
| || ||
| || ||
|-
| 1980
| 21,300
| 239|| 166|| 73
| 11.2|| 7.8|| 3.4
|-
| 1981
| 21,800
| 217|| 163|| 54
| 10.0|| 7.5|| 2.5
|-
| 1982
| 21,900
| 237|| 157|| 80
| 10.8|| 7.2|| 3.6
|-
| 1983
| 22,000
| 245|| 163|| 82
| 11.1|| 7.4|| 3.7
|-
| 1984
| 22,200
| 223|| 156|| 67
| 10.0|| 7.0|| 3.0
|-
| 1985
| 22,300
| 207|| 188|| 19
| 9.3|| 8.4|| 0.9
|-
| 1986
| 22,500
| 179|| 171|| 8
| 8.0 || 7.6|| 0.4
|-
| 1987
| 22,600
| 220|| 154|| 66
| 9.7|| 6.8|| 2.9
|-
| 1988
| 22,700
| 242|| 187|| 55
| 10.7|| 8.2|| 2.5
|-
| 1989
| 22,900
| 231|| 173|| 58
| 10.1|| 7.6|| 2.5
|-
| 1990
| 23,100
| 266|| 155|| 111
| 11.5|| 6.7|| 4.8
|-
| 1991
| 23,400
| 257|| 171|| 86
| 11.0|| 7.3|| 3.7
|-
| 1992
| 23,800
| 237|| 172|| 65
| 10.0|| 7.2|| 2.8
|-
| 1993
| 24,100
| 244|| 145|| 99
| 10.1|| 6.0|| 4.1
|-
| 1994
| 24,500
| 268|| 184|| 84
| 10.9|| 7.5|| 3.4
|-
| 1995
| 24,900
| 244|| 186|| 58
| 9.8|| 7.5|| 2.3
|-
| 1996
| 25,300
| 282|| 173|| 109
| 11.1|| 6.8|| 4.3
|-
| 1997
| 25,700
| 287|| 178|| 109
| 11.2|| 6.9|| 4.3
|-
| 1998
| 26,100
| 285|| 190|| 95
| 10.9|| 7.3|| 3.6
|-
| 1999
| 26,400
| 303|| 198|| 105
| 11.5|| 7.5|| 4.0
|-
| 2000
| 26,800
| 290|| 188|| 102
| 10.8|| 7.0|| 3.8
|-
| 2001
| 26,941
| 315|| 195|| 120
| 11.4|| 7.1|| 4.3
|-
| 2002
| 28,166
| 295|| 203|| 92
| 10.4|| 7.1|| 3.2
|-
| 2003
| 28,753
| 300|| 216|| 84
| 10.3|| 7.5|| 2.9
|1.250
|-
| 2004
| 29,241
| 306|| 185|| 121
| 10.4|| 6.3|| 4.1
|1.255
|-
| 2005
| 29,673
| 284|| 219|| 65
| 9.5|| 7.3|| 2.2
|1.184
|-
| 2006
| 29,999
| 302|| 225|| 77
| 10.0|| 7.5|| 2.6
|1.244
|-
| 2007
| 30,368
| 292|| 225|| 67
| 9.6|| 7.4|| 2.2
|1.235
|-
| 2008
| 30,792
| 349|| 190|| 159
| 11.3|| 6.1|| 5.1
|1.551
|-
| 2009
| 31,269
| 306|| 233|| 73
| 9.7|| 7.4|| 2.3
|1.334
|-
| 2010
| 31,632
| 334|| 222|| 112
| 10.5|| 7.0|| 3.5
|1.467
|-
| 2011
| 31,888
| 325|| 222|| 103
| 10.1|| 6.9|| 3.2
|1.470
|-
| 2012
| 32,193
| 292|| 237|| 55
| 9.0|| 7.3|| 1.7
|1.359
|-
| 2013
| 32,471
| 320|| 247|| 73
| 9.9|| 7.6|| 2.3
|1.520
|-
| 2014
| 32,572
|296||252||44
| 9.1||7.7||1.3
|1.530
|-
|2015
|32,789
|269
|235
|34
|8.2
|7.2
|1.0
|1.362
|-
| 2016
| 33,005
|262||253||9
| 7.9||7.6||0.3
|1.403
|-
| 2017
| 33,196
|228||278|| style="color: red" |-50
|6.9||8.4|| style="color: red" |-1.5
|1.199
|-
| 2018
| 33,328
|235||244|| style="color: red" |-9
|7.0||7.3|| style="color: red" |-0.3
|1.291
|-
| 2019
| 33,419
|232||251|| style="color: red" |-19
|6.9||7.5|| style="color: red" |-0.6
|1.294
|-
| 2020
| 33,574
|224||343|| style="color: red" |-119
|6.7||10.2|| style="color: red" |-3.5
|1.266
|-
|2021
|33,627
|212||312||style="color: red" |-100
|6.3||9.3||style="color: red" |-3.0
|1.206
|-
|2022
|33,698
|205||263||style="color: red" |-58
| 6.1||7.8||style="color: red" |-1.7
|1.179
|-
|2023
|33,812
|191||279||style="color: red" |-88
| 5.6||8.3||style="color: red" |-2.7
|1.080
|-
|2024
|33,908
|144||254|| style="color: red" |-110
| style="color: red" | 4.4||7.5|| style="color: red" |-3.1
|style="color: red" |0.824
|-
|2025
|34,045
|166||277|| style="color: red" |-111
| 4.9||8.1|| style="color: red" |-3.2
|style="color: red" |
|}
Current vital statistics
{| class="wikitable" style="text-align:center;"
|+
|-
! Period
! Live births
! Deaths
! Natural increase
|-
! January-April 2025
| 45
| 103
| –58
|-
! January-April 2026
| 43
| 93
| –50
|-
! Difference
| –2 (-4.44%)
| –10 (-9.71%)
| +8
|-
! colspan="4" style="text-align: center;" | Source:
|}
Ethnic groups
Sammarinese, Italian
Languages
Italian (official), Sammarinese variety of Romagnol (not official)
Religion
According to a 2021 report, the population is 91.5% Christian, 5.6% agnostic, 1.9% atheist, and 1% 'other'.