Skip to content

Population in Mauritania compared to San Marino: Trends, Charts, Rankings

Updated on by Georank

The latest officially reported population of Mauritania was 5,315,065 in 2025 vs 34,109 people in San Marino in 2025. In 2026, based on the adjusted UN estimation, the current Mauritania's population is 5,539,189 people compared to 34,159 in San Marino.

Population statistics:

  • Mauritania's population is 162.2 times bigger than San Marino's.
  • Mauritania is ranked the 123rd most populous country in the world, while San Marino is the 193rd.
  • The countries together account for 0.07% of the world: 0.07% for Mauritania vs 0.0004% for San Marino.
  • For the last 10 years, Mauritania has had an average growth rate of +2.98% per year vs +0.4% in San Marino.
  • Since 2006, the population of Mauritania has increased from 3.01M people to 5.54M (83.8% growth), while San Marino has grown from 30.2K to 34.2K (13.2% growth).

Mauritania vs San Marino: population by year and forecast

Mauritania
Factual

Projection
San Marino
Factual

Projection
1x
Year Population
Mauritania San Marino
2100 17,302,938 31,687
2099 17,195,692 31,708
2098 17,083,078 31,720
2097 16,968,365 31,762
2096 16,850,394 31,780
2095 16,732,430 31,761
2094 16,610,512 31,755
2093 16,485,880 31,726
2092 16,359,440 31,748
2091 16,229,167 31,736
2090 16,097,149 31,747
2089 15,962,562 31,733
2088 15,824,899 31,725
2087 15,683,760 31,710
2086 15,541,281 31,683
2085 15,397,701 31,636
2084 15,251,533 31,623
2083 15,102,125 31,612
2082 14,952,194 31,596
2081 14,799,309 31,555
2080 14,645,548 31,573
2079 14,490,500 31,569
2078 14,331,284 31,566
2077 14,170,045 31,579
2076 14,007,555 31,612
2075 13,843,393 31,653
2074 13,678,579 31,703
2073 13,512,182 31,762
2072 13,343,946 31,825
2071 13,172,876 31,896
2070 13,002,521 31,965
2069 12,830,090 32,058
2068 12,657,711 32,160
2067 12,482,299 32,290
2066 12,306,495 32,395
2065 12,131,679 32,527
2064 11,954,090 32,664
2063 11,778,351 32,782
2062 11,601,323 32,918
2061 11,424,089 33,047
2060 11,246,850 33,170
2059 11,067,732 33,310
2058 10,887,645 33,447
2057 10,709,500 33,584
2056 10,532,648 33,717
2055 10,354,318 33,829
2054 10,175,517 33,954
2053 9,995,645 34,068
2052 9,815,104 34,161
2051 9,635,288 34,235
2050 9,457,400 34,268
2049 9,279,576 34,324
2048 9,100,595 34,382
2047 8,923,220 34,421
2046 8,745,286 34,463
2045 8,568,910 34,497
2044 8,393,773 34,546
2043 8,218,850 34,552
2042 8,044,865 34,521
2041 7,873,599 34,525
2040 7,703,561 34,534
2039 7,534,623 34,520
2038 7,366,187 34,483
2037 7,199,542 34,430
2036 7,033,866 34,403
2035 6,869,186 34,368
2034 6,705,635 34,347
2033 6,543,505 34,341
2032 6,383,229 34,316
2031 6,225,030 34,308
2030 6,068,395 34,289
2029 5,914,109 34,267
2028 5,761,715 34,215
2027 5,611,635 34,175
2026 5,462,675 34,144
2025 5,315,065 34,109
2024 5,169,395 33,977
2023 5,022,441 33,860
2022 4,875,637 33,755
2021 4,734,874 34,252
2020 4,600,131 34,770
2019 4,467,708 34,663
2018 4,337,685 34,522
2017 4,210,600 33,825
2016 4,086,657 33,101
2015 3,965,959 32,897
2014 3,848,514 32,655
2013 3,734,318 33,041
2012 3,619,034 33,469
2011 3,502,811 32,620
2010 3,390,965 33,270
2009 3,284,448 33,066
2008 3,183,269 31,662
2007 3,093,059 31,211
2006 3,013,660 30,184
2005 2,939,059 29,836
2004 2,868,664 29,457
2003 2,802,046 27,843
2002 2,738,655 27,491
2001 2,678,760 27,143
2000 2,613,441 26,799
1999 2,541,698 26,459
1998 2,474,651 26,125
1997 2,411,306 25,800
1996 2,358,188 25,482
1995 2,312,017 25,158
1994 2,249,454 24,823
1993 2,174,328 24,472
1992 2,088,135 24,125
1991 2,009,738 23,797
1990 1,951,878 23,475
1989 1,903,048 23,154
1988 1,855,859 22,843
1987 1,803,014 22,686
1986 1,751,835 22,636
1985 1,702,107 22,485
1984 1,653,693 22,346
1983 1,606,746 22,229
1982 1,561,176 22,055
1981 1,516,877 21,840
1980 1,474,043 21,585
1979 1,432,758 21,320
1978 1,392,713 21,026
1977 1,353,768 20,017
1976 1,315,336 19,110
1975 1,277,330 19,046
1974 1,240,188 19,030
1973 1,203,838 18,992
1972 1,168,355 18,787
1971 1,133,702 18,419
1970 1,099,806 18,168
1969 1,066,754 18,026
1968 1,034,739 17,861
1967 1,003,843 17,688
1966 974,157 17,523
1965 945,838 17,305
1964 918,955 16,977
1963 893,423 16,580
1962 869,184 16,183
1961 846,167 15,799
1960 824,298 15,428

Data sources: United Nations | World Population Prospects (2026–2100, retrieved 2026-07-08); World Bank | Health (1960–2025, retrieved 2026-07-08).

GeoRank.org/population/mauritania/san-marino | CC BY

From 2006 to 2016, the population of Mauritania increased by 1,072,997 people (a 35.6% growth), while San Marino gained 2,917 people (a 9.66% growth).

For the next 10 years, from 2016 to 2026, Mauritania gained 1,452,532 people (a 35.5% growth), while San Marino's population increased by 1,058 people (a 3.2% growth).

Mauritania was ranked 132nd most populous country in 2006 and is 123rd in 2026. San Marino was ranked 193rd in 2006 and still ranked 193rd now.

The UN's World Population Prospects forecasts that in 24 years (in 2050) Mauritania's population will grow by 70.7% to 9,457,400 people with a rank change from 123rd to 103rd. The population of San Marino will increase by 0.32% to 34,268 people and rank change from 193rd to 192nd.

Mauritania is projected to reach its peak in 2100 at 17.3M people, while San Marino's population already peaked in 2020 at 34.8K people and is projected to decrease to 31.7K people by 2100.

Population growth rate by year

Mauritania
Factual

Projection
San Marino
Factual

Projection
1x
Year Growth rate
Mauritania San Marino
2100 0.62% -0.06%
2099 0.66% -0.04%
2098 0.68% -0.13%
2097 0.7% -0.05%
2096 0.7% 0.06%
2095 0.73% 0.02%
2094 0.76% 0.09%
2093 0.77% -0.07%
2092 0.8% 0.04%
2091 0.82% -0.04%
2090 0.84% 0.04%
2089 0.87% 0.03%
2088 0.9% 0.05%
2087 0.92% 0.08%
2086 0.93% 0.15%
2085 0.96% 0.04%
2084 0.99% 0.04%
2083 1% 0.05%
2082 1.03% 0.13%
2081 1.05% -0.06%
2080 1.07% 0.01%
2079 1.11% 0.01%
2078 1.14% -0.04%
2077 1.16% -0.1%
2076 1.19% -0.13%
2075 1.2% -0.16%
2074 1.23% -0.19%
2073 1.26% -0.2%
2072 1.3% -0.22%
2071 1.31% -0.22%
2070 1.34% -0.29%
2069 1.36% -0.32%
2068 1.41% -0.4%
2067 1.43% -0.32%
2066 1.44% -0.41%
2065 1.49% -0.42%
2064 1.49% -0.36%
2063 1.53% -0.41%
2062 1.55% -0.39%
2061 1.58% -0.37%
2060 1.62% -0.42%
2059 1.65% -0.41%
2058 1.66% -0.41%
2057 1.68% -0.39%
2056 1.72% -0.33%
2055 1.76% -0.37%
2054 1.8% -0.33%
2053 1.84% -0.27%
2052 1.87% -0.21%
2051 1.88% -0.1%
2050 1.92% -0.16%
2049 1.97% -0.17%
2048 1.99% -0.11%
2047 2.03% -0.12%
2046 2.06% -0.1%
2045 2.09% -0.14%
2044 2.13% -0.02%
2043 2.16% 0.09%
2042 2.18% -0.01%
2041 2.21% -0.03%
2040 2.24% 0.04%
2039 2.29% 0.11%
2038 2.31% 0.15%
2037 2.36% 0.08%
2036 2.4% 0.1%
2035 2.44% 0.06%
2034 2.48% 0.02%
2033 2.51% 0.07%
2032 2.54% 0.02%
2031 2.58% 0.05%
2030 2.61% 0.07%
2029 2.64% 0.15%
2028 2.67% 0.12%
2027 2.73% 0.09%
2026 2.78% 0.1%
2025 2.82% 0.39%
2024 2.93% 0.35%
2023 3.01% 0.31%
2022 2.97% -1.45%
2021 2.93% -1.49%
2020 2.96% 0.31%
2019 3% 0.41%
2018 3.02% 2.06%
2017 3.03% 2.19%
2016 3.04% 0.62%
2015 3.05% 0.74%
2014 3.06% -1.17%
2013 3.19% -1.28%
2012 3.32% 2.6%
2011 3.3% -1.95%
2010 3.24% 0.62%
2009 3.18% 4.43%
2008 2.92% 1.45%
2007 2.63% 3.4%
2006 2.54% 1.17%
2005 2.45% 1.29%
2004 2.38% 5.8%
2003 2.31% 1.28%
2002 2.24% 1.28%
2001 2.5% 1.28%
2000 2.82% 1.29%
1999 2.71% 1.28%
1998 2.63% 1.26%
1997 2.25% 1.25%
1996 2% 1.29%
1995 2.78% 1.35%
1994 3.46% 1.43%
1993 4.13% 1.44%
1992 3.9% 1.38%
1991 2.96% 1.37%
1990 2.57% 1.39%
1989 2.54% 1.36%
1988 2.93% 0.69%
1987 2.92% 0.22%
1986 2.92% 0.67%
1985 2.93% 0.62%
1984 2.92% 0.53%
1983 2.92% 0.79%
1982 2.92% 0.98%
1981 2.91% 1.18%
1980 2.88% 1.24%
1979 2.88% 1.4%
1978 2.88% 5.04%
1977 2.92% 4.75%
1976 2.98% 0.34%
1975 2.99% 0.08%
1974 3.02% 0.2%
1973 3.04% 1.09%
1972 3.06% 2%
1971 3.08% 1.38%
1970 3.1% 0.79%
1969 3.09% 0.92%
1968 3.08% 0.98%
1967 3.05% 0.94%
1966 2.99% 1.26%
1965 2.93% 1.93%
1964 2.86% 2.39%
1963 2.79% 2.45%
1962 2.72% 2.43%
1961 2.65% 2.4%

Data sources: United Nations | World Population Prospects (2026–2100, retrieved 2026-07-08); World Bank | Health (1961–2025, retrieved 2026-07-08).

GeoRank.org/population/mauritania/san-marino | CC BY

In 2025, the population of Mauritania grew by 2.82%, while San Marino's population grew by 0.39%.

Live population counters

Mauritania San Marino
Current population
5539189
34159
Population rank 123/197 193/197
Percent of world population 0.07% 0.0004%
One net population change
3.62 minutes
2.77 days
One birth every
2.99 minutes
2.57 days
One death every
18.8 minutes
1.44 days
Daily growth/decline +399 +0
Annual growth/decline +145,670 +132
Annual growth/decline rate +2.82% +0.39%
Population growth rate rank 18/197 140/197
One migration net change every
1.74 hours
3 days
Annual migration change -5,044 +122
Net migration rank 115/196 72/196
Foreign-born residents 195,937 5,838
Foreign-born residents rank 113/195 183/195
Foreign-born share of population 3.8% 17.4%
Foreign-born share rank 107/195 35/195

Natural population change vs migration

Mauritania
Natural

Migration
San Marino
Natural

Migration
1x
Year Population change
Mauritania San Marino
Natural Migration Natural Migration
2025 - -5,044 - 122
2024 147,927 -2,185 -112 37
2023 145,164 2,999 -92 -190
2022 142,451 2,999 -58 -403
2021 137,557 -1,483 -99 -368
2020 134,899 -1,483 -122 247
2019 134,460 -3,019 -17 187
2018 131,584 -2,987 -11 172
2017 128,562 -3,001 -51 234
2016 125,342 -3,008 10 291
2015 122,092 -3,019 36 273
2014 118,792 -2,980 46 74
2013 115,558 -2,987 73 57
2012 113,489 4,515 54 143
2011 111,165 3,272 105 2,325
2010 108,121 1,128 126 592
2009 105,273 -1,481 145 311
2008 102,432 -3,860 159 268
2007 98,895 -17,048 69 314
2006 94,991 -18,033 75 310
2005 90,940 -18,693 66 314
2004 87,578 -19,042 121 285
2003 83,804 -19,104 79 277
2002 80,993 -18,903 112 241
2001 78,769 -21,067 132 215
2000 75,929 -2,997 107 233
1999 73,554 -2,999 80 256
1998 72,045 -8,504 74 257
1997 71,327 -8,187 71 255
1996 71,939 -28,840 63 257
1995 72,244 -22,997 51 262
1994 70,570 5,304 43 300
1993 68,167 6,217 38 325
1992 63,501 34,505 42 285
1991 61,782 -2,997 45 278
1990 59,934 -3,000 41 289
1989 58,666 -17,941 36 285
1988 56,654 -2,997 34 268
1987 55,037 -2,998 31 -20
1986 53,313 -2,998 40 44
1985 52,125 -2,998 44 166
1984 50,705 -2,998 46 32
1983 49,187 -2,998 54 115
1982 47,947 -2,998 61 117
1981 46,641 -2,998 76 169
1980 45,026 -2,997 90 169
1979 43,537 -2,997 104 164
1978 42,539 -2,998 121 199
1977 41,352 -2,999 117 1,577
1976 40,149 -1,645 126 0
1975 38,975 -1,472 141 -133
1974 38,106 -1,321 153 -131
1973 37,122 -1,201 167 -124
1972 36,184 -1,139 173 191
1971 35,279 -1,014 174 201
1970 34,382 -855 173 -39
1969 33,252 -688 173 -29
1968 32,029 -565 171 8
1967 30,853 -514 171 -3
1966 29,502 -466 173 -9
1965 28,028 -434 169 99
1964 26,565 -390 163 233
1963 25,250 -362 158 242
1962 23,927 -342 155 238
1961 22,781 -332 174 206
1960 21,604 -318 139 229

Data sources: World Bank | Health (1960–2025, retrieved 2026-07-08).

GeoRank.org/population/mauritania/san-marino | CC BY

Over the last 10 years, 99% of the population change in Mauritania is from natural causes (a gain of 1,350,038 people) and 1.04% is from migration (a loss of 14,187 people). In San Marino 51.8% is from natural causes (a loss of 516 people) and 48.2% is from migration (a gain of 480 people).

As of 2024, 195,937 residents or 3.8% of the population were not native-born in Mauritania, compared to 5,838 people or 17.4% in San Marino.

Biggest cities by population

Mauritania
City Population
Nouakchott 1.45M
Rosso 61.2K
San Marino
City Population
Dogana 7K
San Marino 4.04K

Compare countries by 7 more topics

Population map with other countries

1x

Data sources: World Bank | Health (1960–2025, retrieved 2026-07-08); United Nations | World Population Prospects (1960–2026, retrieved 2026-07-08); U.S. Census Bureau (1960–2025, retrieved 2026-07-08); Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-07-08).

GeoRank.org/population/mauritania/san-marino | 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 2026-07-08)
  2. United Nations | World Population Prospects (1960–2100, retrieved 2026-07-08)
  3. U.S. Census Bureau (1960–2025, retrieved 2026-07-08)
  4. Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-07-08)
  5. Wikidata (2026, retrieved 2026-07-08)

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.