Skip to content

Population in San Marino compared to Sao Tome and Principe: Trends, Charts, Rankings

Updated on by Georank team

The latest officially reported population of San Marino was 33,977 in 2024 vs 235,536 people in Sao Tome and Principe in 2024. In 2026, based on the adjusted UN estimation, the current San Marino's population is 33,967 people compared to 246,362 in Sao Tome and Principe.

Population statistics:

  • Sao Tome and Principe's population is 7.25 times bigger than San Marino's.
  • San Marino is ranked the 193rd most populous country in the world, while Sao Tome and Principe is the 176th.
  • The countries together account for 0.003% of the world: 0.0004% for San Marino vs 0.003% for Sao Tome and Principe.
  • For the last 10 years, San Marino has had an average growth rate of +0.26% per year vs +1.82% in Sao Tome and Principe.
  • Since 2006, the population of San Marino has increased from 30.2K people to 34K (12.5% growth), while Sao Tome and Principe has grown from 166K to 246K (48.7% growth).

San Marino vs Sao Tome and Principe: population by year and forecast

San Marino
Factual

Projection
Sao Tome and Principe
Factual

Projection
1x
Year Population
San Marino Sao Tome
2100 31,516 538,729
2099 31,536 537,330
2098 31,548 535,787
2097 31,591 534,124
2096 31,608 532,353
2095 31,590 530,576
2094 31,583 528,656
2093 31,554 526,643
2092 31,576 524,507
2091 31,564 522,325
2090 31,575 519,999
2089 31,561 517,612
2088 31,553 515,098
2087 31,538 512,568
2086 31,512 510,018
2085 31,465 507,340
2084 31,452 504,584
2083 31,441 501,679
2082 31,425 498,722
2081 31,384 495,689
2080 31,402 492,482
2079 31,398 489,244
2078 31,395 485,930
2077 31,409 482,450
2076 31,441 478,942
2075 31,481 475,380
2074 31,532 471,763
2073 31,591 468,114
2072 31,653 464,348
2071 31,723 460,509
2070 31,792 456,552
2069 31,885 452,449
2068 31,986 448,367
2067 32,115 444,152
2066 32,219 439,833
2065 32,351 435,561
2064 32,487 431,126
2063 32,605 426,703
2062 32,740 422,184
2061 32,868 417,686
2060 32,991 413,117
2059 33,129 408,577
2058 33,266 404,024
2057 33,402 399,413
2056 33,535 394,844
2055 33,646 390,153
2054 33,770 385,468
2053 33,883 380,737
2052 33,976 376,015
2051 34,049 371,194
2050 34,083 366,397
2049 34,138 361,591
2048 34,196 356,742
2047 34,234 351,861
2046 34,277 346,888
2045 34,310 341,838
2044 34,359 336,792
2043 34,365 331,713
2042 34,334 326,652
2041 34,338 321,594
2040 34,348 316,457
2039 34,333 311,279
2038 34,296 306,071
2037 34,243 300,875
2036 34,217 295,624
2035 34,182 290,400
2034 34,162 285,183
2033 34,155 279,990
2032 34,130 274,835
2031 34,122 269,740
2030 34,104 264,723
2029 34,082 259,705
2028 34,030 254,751
2027 33,990 249,860
2026 33,959 245,066
2025 33,924 240,286
2024 33,977 235,536
2023 33,860 230,871
2022 33,755 226,305
2021 34,252 221,961
2020 34,770 217,435
2019 34,663 213,392
2018 34,522 210,187
2017 33,825 206,970
2016 33,101 203,689
2015 32,897 200,291
2014 32,655 196,767
2013 33,041 193,148
2012 33,469 189,439
2011 32,620 185,649
2010 33,270 181,802
2009 33,066 177,853
2008 31,662 173,793
2007 31,211 169,700
2006 30,184 165,638
2005 29,836 161,639
2004 29,457 157,705
2003 27,843 153,814
2002 27,491 149,922
2001 27,143 146,375
2000 26,799 144,018
1999 26,459 142,442
1998 26,125 140,751
1997 25,800 138,922
1996 25,482 136,962
1995 25,158 134,895
1994 24,823 132,732
1993 24,472 130,467
1992 24,125 128,110
1991 23,797 125,697
1990 23,475 122,980
1989 23,154 119,979
1988 22,843 116,939
1987 22,686 113,919
1986 22,636 111,150
1985 22,485 108,658
1984 22,346 106,394
1983 22,229 104,380
1982 22,055 102,508
1981 21,840 100,615
1980 21,585 98,544
1979 21,320 96,252
1978 21,026 93,794
1977 20,017 91,301
1976 19,110 88,922
1975 19,046 86,708
1974 19,030 84,672
1973 18,992 82,798
1972 18,787 81,041
1971 18,419 79,330
1970 18,168 77,626
1969 18,026 76,083
1968 17,861 74,765
1967 17,688 73,596
1966 17,523 72,576
1965 17,305 71,680
1964 16,977 70,865
1963 16,580 70,112
1962 16,183 69,403
1961 15,799 68,707
1960 15,428 68,012

Data sources: United Nations | World Population Prospects (2025–2100, retrieved 2026-03-10); World Bank | Health (1960–2024, retrieved 2026-04-06).

GeoRank.org/population/san-marino/sao-tome-and-principe | CC BY

From 2006 to 2016, the population of San Marino increased by 2,917 people (a 9.66% growth), while Sao Tome and Principe gained 38,051 people (a 23% growth).

For the next 10 years, from 2016 to 2026, San Marino gained 866 people (a 2.62% growth), while Sao Tome and Principe's population increased by 42,673 people (a 21% growth).

San Marino was ranked 193rd most populous country in 2006 and is still 193rd in 2026. Sao Tome and Principe was ranked 178th in 2006 and ranked 176th now.

The UN's World Population Prospects forecasts that in 24 years (in 2050) San Marino's population will grow by 0.34% to 34,083 people with a rank change from 193rd to 192nd. The population of Sao Tome and Principe will increase by 48.7% to 366,397 people and rank change from 176th to 175th.

Sao Tome and Principe is projected to reach its peak in 2100 at 539K people, while San Marino's population already peaked in 2020 at 34.8K people and is projected to decrease to 31.5K people by 2100.

Population growth rate by year

San Marino
Factual

Projection
Sao Tome and Principe
Factual

Projection
1x
Year Growth rate
San Marino Sao Tome
2100 -0.06% 0.26%
2099 -0.04% 0.29%
2098 -0.13% 0.31%
2097 -0.05% 0.33%
2096 0.06% 0.33%
2095 0.02% 0.36%
2094 0.09% 0.38%
2093 -0.07% 0.41%
2092 0.04% 0.42%
2091 -0.04% 0.45%
2090 0.04% 0.46%
2089 0.03% 0.49%
2088 0.05% 0.49%
2087 0.08% 0.5%
2086 0.15% 0.53%
2085 0.04% 0.55%
2084 0.04% 0.58%
2083 0.05% 0.59%
2082 0.13% 0.61%
2081 -0.06% 0.65%
2080 0.01% 0.66%
2079 0.01% 0.68%
2078 -0.04% 0.72%
2077 -0.1% 0.73%
2076 -0.13% 0.75%
2075 -0.16% 0.77%
2074 -0.19% 0.78%
2073 -0.2% 0.81%
2072 -0.22% 0.83%
2071 -0.22% 0.87%
2070 -0.29% 0.91%
2069 -0.32% 0.91%
2068 -0.4% 0.95%
2067 -0.32% 0.98%
2066 -0.41% 0.98%
2065 -0.42% 1.03%
2064 -0.36% 1.04%
2063 -0.41% 1.07%
2062 -0.39% 1.08%
2061 -0.37% 1.11%
2060 -0.42% 1.11%
2059 -0.41% 1.13%
2058 -0.41% 1.15%
2057 -0.39% 1.16%
2056 -0.33% 1.2%
2055 -0.37% 1.22%
2054 -0.33% 1.24%
2053 -0.27% 1.26%
2052 -0.21% 1.3%
2051 -0.1% 1.31%
2050 -0.16% 1.33%
2049 -0.17% 1.36%
2048 -0.11% 1.39%
2047 -0.12% 1.43%
2046 -0.1% 1.48%
2045 -0.14% 1.5%
2044 -0.02% 1.53%
2043 0.09% 1.55%
2042 -0.01% 1.57%
2041 -0.03% 1.62%
2040 0.04% 1.66%
2039 0.11% 1.7%
2038 0.15% 1.73%
2037 0.08% 1.78%
2036 0.1% 1.8%
2035 0.06% 1.83%
2034 0.02% 1.85%
2033 0.07% 1.88%
2032 0.02% 1.89%
2031 0.05% 1.9%
2030 0.07% 1.93%
2029 0.15% 1.94%
2028 0.12% 1.96%
2027 0.09% 1.96%
2026 0.1% 1.99%
2025 -0.15% 2.02%
2024 0.35% 2.02%
2023 0.31% 2.02%
2022 -1.45% 1.96%
2021 -1.49% 2.08%
2020 0.31% 1.89%
2019 0.41% 1.52%
2018 2.06% 1.55%
2017 2.19% 1.61%
2016 0.62% 1.7%
2015 0.74% 1.79%
2014 -1.17% 1.87%
2013 -1.28% 1.96%
2012 2.6% 2.04%
2011 -1.95% 2.12%
2010 0.62% 2.22%
2009 4.43% 2.34%
2008 1.45% 2.41%
2007 3.4% 2.45%
2006 1.17% 2.47%
2005 1.29% 2.49%
2004 5.8% 2.53%
2003 1.28% 2.6%
2002 1.28% 2.42%
2001 1.28% 1.64%
2000 1.29% 1.11%
1999 1.28% 1.2%
1998 1.26% 1.32%
1997 1.25% 1.43%
1996 1.29% 1.53%
1995 1.35% 1.63%
1994 1.43% 1.74%
1993 1.44% 1.84%
1992 1.38% 1.92%
1991 1.37% 2.21%
1990 1.39% 2.5%
1989 1.36% 2.6%
1988 0.69% 2.65%
1987 0.22% 2.49%
1986 0.67% 2.29%
1985 0.62% 2.13%
1984 0.53% 1.93%
1983 0.79% 1.83%
1982 0.98% 1.88%
1981 1.18% 2.1%
1980 1.24% 2.38%
1979 1.4% 2.62%
1978 5.04% 2.73%
1977 4.75% 2.68%
1976 0.34% 2.55%
1975 0.08% 2.4%
1974 0.2% 2.26%
1973 1.09% 2.17%
1972 2% 2.16%
1971 1.38% 2.2%
1970 0.79% 2.03%
1969 0.92% 1.76%
1968 0.98% 1.59%
1967 0.94% 1.41%
1966 1.26% 1.25%
1965 1.93% 1.15%
1964 2.39% 1.07%
1963 2.45% 1.02%
1962 2.43% 1.01%
1961 2.4% 1.02%

Data sources: United Nations | World Population Prospects (2025–2100, retrieved 2026-03-10); World Bank | Health (1961–2024, retrieved 2026-04-06).

GeoRank.org/population/san-marino/sao-tome-and-principe | CC BY

In 2024, the population of San Marino grew by 0.35%, while Sao Tome and Principe's population grew by 2.02%.

Live population counters

San Marino Sao Tome
Current population
33967
246362
Population rank 193/197 176/197
Percent of world population 0.0004% 0.003%
One net population change
3.12 days
1.88 hours
One birth every
1.93 days
1.35 hours
One death every
1.3 days
6.81 hours
Daily growth/decline +0 +13
Annual growth/decline +117 +4,665
Annual growth/decline rate +0.35% +2.02%
Population growth rate rank 145/197 49/197
One migration net change every
3 days
13.5 hours
Annual migration change +122 -650
Net migration rank 72/196 90/196
Foreign-born residents 5,838 1,955
Foreign-born residents rank 183/195 194/195
Foreign-born share of population 17.4% 0.8%
Foreign-born share rank 35/195 162/195

Natural population change vs migration

San Marino
Natural

Migration
Sao Tome and Principe
Natural

Migration
1x
Year Population change
San Marino Sao Tome
Natural Migration Natural Migration
2025 - 122 - -650
2024 - 37 - -604
2023 -92 -190 5,221 -592
2022 -58 -403 5,102 -592
2021 -99 -368 4,954 -782
2020 -122 247 4,874 0
2019 -17 187 4,932 -1,716
2018 -11 172 4,957 -1,757
2017 -51 234 5,007 -1,779
2016 10 291 5,125 -1,793
2015 36 273 5,269 -1,809
2014 46 74 5,381 -1,801
2013 73 57 5,449 -1,787
2012 54 143 5,501 -1,739
2011 105 2,325 5,445 -1,616
2010 126 592 5,391 -1,529
2009 145 311 5,349 -1,328
2008 159 268 5,297 -1,203
2007 69 314 5,226 -1,127
2006 75 310 5,057 -1,031
2005 66 314 4,897 -941
2004 121 285 4,810 -894
2003 79 277 4,702 -816
2002 112 241 4,591 -690
2001 132 215 4,471 -1,289
2000 107 233 4,334 -2,798
1999 80 256 4,221 -2,594
1998 74 257 4,120 -2,364
1997 71 255 4,041 -2,153
1996 63 257 3,993 -1,974
1995 51 262 3,948 -1,829
1994 43 300 3,860 -1,644
1993 38 325 3,841 -1,527
1992 42 285 3,822 -1,432
1991 45 278 3,801 -1,362
1990 41 289 3,719 -727
1989 36 285 3,576 -571
1988 34 268 3,544 -465
1987 31 -20 3,440 -470
1986 40 44 3,180 -614
1985 44 166 3,242 -828
1984 46 32 3,163 -1,041
1983 54 115 3,100 -1,203
1982 61 117 3,047 -1,203
1981 76 169 3,015 -1,067
1980 90 169 2,965 -770
1979 104 164 2,893 -491
1978 121 199 2,800 -279
1977 117 1,577 2,705 -255
1976 126 0 2,608 -302
1975 141 -133 2,515 -392
1974 153 -131 2,422 -474
1973 167 -124 2,329 -525
1972 173 191 2,232 -517
1971 174 201 2,127 -430
1970 173 -39 1,980 -279
1969 173 -29 1,862 -469
1968 171 8 1,767 -520
1967 171 -3 1,693 -606
1966 173 -9 1,642 -688
1965 169 99 1,611 -765
1964 163 233 1,600 -819
1963 158 242 1,609 -886
1962 155 238 1,625 -927
1961 174 206 1,657 -960
1960 139 229 1,547 -860

Data sources: World Bank | Health (1960–2025, retrieved 2026-04-06).

GeoRank.org/population/san-marino/sao-tome-and-principe | CC BY

Over the last 10 years, 40.9% of the population change in San Marino is from natural causes (a loss of 358 people) and 59.1% is from migration (a gain of 517 people). In Sao Tome and Principe 80.1% is from natural causes (a gain of 50,822 people) and 19.9% is from migration (a loss of 12,621 people).

As of 2024, 5,838 residents or 17.4% of the population were not native-born in San Marino, compared to 1,955 people or 0.8% in Sao Tome and Principe.

Biggest cities by population

San Marino
City Population
Dogana 7K
San Marino 4.04K
Sao Tome
City Population
Sao Tome 65.5K
Trindade 6.64K

Compare countries by 7 more topics

Population map with other countries

1x

Data sources: World Bank | Health (1960–2024, retrieved 2026-04-06); United Nations | World Population Prospects (1960–2026, retrieved 2026-03-10); U.S. Census Bureau (1960–2025, retrieved 2026-02-08); Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-02-20).

GeoRank.org/population/san-marino/sao-tome-and-principe | CC BY

Help us show the world through your eyes

Share a photo of your city and help others discover what it looks like to live there. Your contribution makes our data come alive.

Data sources:

  1. World Bank | Health (1960–2025, retrieved 2026-04-06)
  2. United Nations | World Population Prospects (1960–2100, retrieved 2026-03-10)
  3. U.S. Census Bureau (1960–2025, retrieved 2026-02-08)
  4. Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-02-20)
  5. Wikidata (2026, retrieved 2026-02-08)

Creative Commons Attribution (CC BY) — you’re free to copy, share, remix, adapt, and use even commercially as long as you give appropriate credit and clearly indicate if you made changes. Other sources may be subject to different license terms.