Skip to content

Population in Mauritania compared to Romania: Trends, Charts, Rankings

Updated on by Georank

The latest officially reported population of Mauritania was 5,315,065 in 2025 vs 19,020,271 people in Romania in 2025. In 2026, based on the adjusted UN estimation, the current Mauritania's population is 5,539,189 people compared to 18,912,567 in Romania.

Population statistics:

  • Romania's population is 3.41 times bigger than Mauritania's.
  • Mauritania is ranked the 123rd most populous country in the world, while Romania is the 70th.
  • The countries together account for 0.29% of the world: 0.07% for Mauritania vs 0.23% for Romania.
  • For the last 10 years, Mauritania has had an average growth rate of +2.98% per year vs -0.41% in Romania.
  • Since 2006, the population of Mauritania has increased from 3.01M people to 5.54M (83.8% growth), while Romania has declined from 21.2M to 18.9M (10.8% decline).

Mauritania vs Romania: population by year and forecast

Mauritania
Factual

Projection
Romania
Factual

Projection
1x
Year Population
Mauritania Romania
2100 17,302,938 10,843,503
2099 17,195,692 10,927,951
2098 17,083,078 11,011,822
2097 16,968,365 11,095,182
2096 16,850,394 11,178,195
2095 16,732,430 11,261,202
2094 16,610,512 11,343,358
2093 16,485,880 11,426,736
2092 16,359,440 11,509,522
2091 16,229,167 11,591,897
2090 16,097,149 11,675,686
2089 15,962,562 11,759,143
2088 15,824,899 11,842,733
2087 15,683,760 11,926,699
2086 15,541,281 12,013,212
2085 15,397,701 12,099,742
2084 15,251,533 12,187,794
2083 15,102,125 12,277,402
2082 14,952,194 12,367,518
2081 14,799,309 12,460,785
2080 14,645,548 12,556,104
2079 14,490,500 12,652,446
2078 14,331,284 12,750,395
2077 14,170,045 12,849,896
2076 14,007,555 12,950,914
2075 13,843,393 13,053,551
2074 13,678,579 13,158,624
2073 13,512,182 13,264,931
2072 13,343,946 13,375,162
2071 13,172,876 13,488,051
2070 13,002,521 13,603,287
2069 12,830,090 13,721,187
2068 12,657,711 13,840,530
2067 12,482,299 13,963,377
2066 12,306,495 14,088,938
2065 12,131,679 14,218,608
2064 11,954,090 14,349,029
2063 11,778,351 14,480,312
2062 11,601,323 14,613,788
2061 11,424,089 14,747,178
2060 11,246,850 14,879,235
2059 11,067,732 15,011,161
2058 10,887,645 15,141,670
2057 10,709,500 15,271,230
2056 10,532,648 15,400,030
2055 10,354,318 15,527,331
2054 10,175,517 15,651,338
2053 9,995,645 15,773,422
2052 9,815,104 15,896,118
2051 9,635,288 16,016,719
2050 9,457,400 16,135,745
2049 9,279,576 16,255,638
2048 9,100,595 16,375,139
2047 8,923,220 16,494,633
2046 8,745,286 16,612,186
2045 8,568,910 16,730,009
2044 8,393,773 16,848,827
2043 8,218,850 16,966,857
2042 8,044,865 17,084,359
2041 7,873,599 17,203,640
2040 7,703,561 17,320,952
2039 7,534,623 17,438,042
2038 7,366,187 17,556,386
2037 7,199,542 17,673,500
2036 7,033,866 17,790,613
2035 6,869,186 17,906,949
2034 6,705,635 18,020,973
2033 6,543,505 18,134,889
2032 6,383,229 18,247,275
2031 6,225,030 18,359,750
2030 6,068,395 18,471,446
2029 5,914,109 18,583,513
2028 5,761,715 18,693,807
2027 5,611,635 18,803,518
2026 5,462,675 18,912,567
2025 5,315,065 19,020,271
2024 5,169,395 19,051,804
2023 5,022,441 19,061,062
2022 4,875,637 19,048,502
2021 4,734,874 19,122,059
2020 4,600,131 19,265,250
2019 4,467,708 19,371,648
2018 4,337,685 19,473,970
2017 4,210,600 19,588,715
2016 4,086,657 19,702,267
2015 3,965,959 19,815,616
2014 3,848,514 19,908,979
2013 3,734,318 19,983,693
2012 3,619,034 20,058,035
2011 3,502,811 20,147,528
2010 3,390,965 20,246,871
2009 3,284,448 20,367,487
2008 3,183,269 20,537,875
2007 3,093,059 20,882,982
2006 3,013,660 21,193,760
2005 2,939,059 21,319,685
2004 2,868,664 21,451,748
2003 2,802,046 21,574,326
2002 2,738,655 21,730,496
2001 2,678,760 22,131,970
2000 2,613,441 22,442,971
1999 2,541,698 22,472,040
1998 2,474,651 22,507,344
1997 2,411,306 22,553,978
1996 2,358,188 22,619,004
1995 2,312,017 22,684,270
1994 2,249,454 22,730,211
1993 2,174,328 22,763,280
1992 2,088,135 22,794,284
1991 2,009,738 23,001,155
1990 1,951,878 23,201,835
1989 1,903,048 23,161,458
1988 1,855,859 23,057,662
1987 1,803,014 22,949,430
1986 1,751,835 22,836,841
1985 1,702,107 22,732,999
1984 1,653,693 22,640,547
1983 1,606,746 22,560,478
1982 1,561,176 22,475,741
1981 1,516,877 22,353,070
1980 1,474,043 22,207,282
1979 1,432,758 22,090,488
1978 1,392,713 21,951,464
1977 1,353,768 21,756,096
1976 1,315,336 21,551,634
1975 1,277,330 21,293,583
1974 1,240,188 21,029,429
1973 1,203,838 20,835,681
1972 1,168,355 20,657,957
1971 1,133,702 20,461,567
1970 1,099,806 20,250,398
1969 1,066,754 20,009,141
1968 1,034,739 19,799,831
1967 1,003,843 19,534,242
1966 974,157 19,215,450
1965 945,838 19,031,576
1964 918,955 18,919,126
1963 893,423 18,797,850
1962 869,184 18,676,550
1961 846,167 18,555,250
1960 824,298 18,406,905

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/romania | CC BY

From 2006 to 2016, the population of Mauritania increased by 1,072,997 people (a 35.6% growth), while Romania lost 1,491,493 people (a 7.04% decline).

For the next 10 years, from 2016 to 2026, Mauritania gained 1,452,532 people (a 35.5% growth), while Romania's population decreased by 789,700 people (a 4.01% decline).

Mauritania was ranked 132nd most populous country in 2006 and is 123rd in 2026. Romania was ranked 51st in 2006 and ranked 70th 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 Romania will decrease by 14.7% to 16,135,745 people and rank change from 70th to 81st.

Mauritania is projected to reach its peak in 2100 at 17.3M people, while Romania's population already peaked in 1990 at 23.2M people and is projected to decrease to 10.8M people by 2100.

Population growth rate by year

Mauritania
Factual

Projection
Romania
Factual

Projection
1x
Year Growth rate
Mauritania Romania
2100 0.62% -0.77%
2099 0.66% -0.76%
2098 0.68% -0.75%
2097 0.7% -0.74%
2096 0.7% -0.74%
2095 0.73% -0.72%
2094 0.76% -0.73%
2093 0.77% -0.72%
2092 0.8% -0.71%
2091 0.82% -0.72%
2090 0.84% -0.71%
2089 0.87% -0.71%
2088 0.9% -0.7%
2087 0.92% -0.72%
2086 0.93% -0.72%
2085 0.96% -0.72%
2084 0.99% -0.73%
2083 1% -0.73%
2082 1.03% -0.75%
2081 1.05% -0.76%
2080 1.07% -0.76%
2079 1.11% -0.77%
2078 1.14% -0.77%
2077 1.16% -0.78%
2076 1.19% -0.79%
2075 1.2% -0.8%
2074 1.23% -0.8%
2073 1.26% -0.82%
2072 1.3% -0.84%
2071 1.31% -0.85%
2070 1.34% -0.86%
2069 1.36% -0.86%
2068 1.41% -0.88%
2067 1.43% -0.89%
2066 1.44% -0.91%
2065 1.49% -0.91%
2064 1.49% -0.91%
2063 1.53% -0.91%
2062 1.55% -0.9%
2061 1.58% -0.89%
2060 1.62% -0.88%
2059 1.65% -0.86%
2058 1.66% -0.85%
2057 1.68% -0.84%
2056 1.72% -0.82%
2055 1.76% -0.79%
2054 1.8% -0.77%
2053 1.84% -0.77%
2052 1.87% -0.75%
2051 1.88% -0.74%
2050 1.92% -0.74%
2049 1.97% -0.73%
2048 1.99% -0.72%
2047 2.03% -0.71%
2046 2.06% -0.7%
2045 2.09% -0.71%
2044 2.13% -0.7%
2043 2.16% -0.69%
2042 2.18% -0.69%
2041 2.21% -0.68%
2040 2.24% -0.67%
2039 2.29% -0.67%
2038 2.31% -0.66%
2037 2.36% -0.66%
2036 2.4% -0.65%
2035 2.44% -0.63%
2034 2.48% -0.63%
2033 2.51% -0.62%
2032 2.54% -0.61%
2031 2.58% -0.6%
2030 2.61% -0.6%
2029 2.64% -0.59%
2028 2.67% -0.58%
2027 2.73% -0.58%
2026 2.78% -0.57%
2025 2.82% -0.17%
2024 2.93% -0.05%
2023 3.01% 0.07%
2022 2.97% -0.38%
2021 2.93% -0.74%
2020 2.96% -0.55%
2019 3% -0.53%
2018 3.02% -0.59%
2017 3.03% -0.58%
2016 3.04% -0.57%
2015 3.05% -0.47%
2014 3.06% -0.37%
2013 3.19% -0.37%
2012 3.32% -0.44%
2011 3.3% -0.49%
2010 3.24% -0.59%
2009 3.18% -0.83%
2008 2.92% -1.65%
2007 2.63% -1.47%
2006 2.54% -0.59%
2005 2.45% -0.62%
2004 2.38% -0.57%
2003 2.31% -0.72%
2002 2.24% -1.81%
2001 2.5% -1.39%
2000 2.82% -0.13%
1999 2.71% -0.16%
1998 2.63% -0.21%
1997 2.25% -0.29%
1996 2% -0.29%
1995 2.78% -0.2%
1994 3.46% -0.15%
1993 4.13% -0.14%
1992 3.9% -0.9%
1991 2.96% -0.86%
1990 2.57% 0.17%
1989 2.54% 0.45%
1988 2.93% 0.47%
1987 2.92% 0.49%
1986 2.92% 0.46%
1985 2.93% 0.41%
1984 2.92% 0.35%
1983 2.92% 0.38%
1982 2.92% 0.55%
1981 2.91% 0.66%
1980 2.88% 0.53%
1979 2.88% 0.63%
1978 2.88% 0.9%
1977 2.92% 0.95%
1976 2.98% 1.21%
1975 2.99% 1.26%
1974 3.02% 0.93%
1973 3.04% 0.86%
1972 3.06% 0.96%
1971 3.08% 1.04%
1970 3.1% 1.21%
1969 3.09% 1.06%
1968 3.08% 1.36%
1967 3.05% 1.66%
1966 2.99% 0.97%
1965 2.93% 0.59%
1964 2.86% 0.65%
1963 2.79% 0.65%
1962 2.72% 0.65%
1961 2.65% 0.81%

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/romania | CC BY

In 2025, the population of Mauritania grew by 2.82%, while Romania's population declined by 0.17%.

Live population counters

Mauritania Romania
Current population
5539189
18912567
Population rank 123/197 70/197
Percent of world population 0.07% 0.23%
One net population change
3.62 minutes
16.7 minutes
One birth every
2.99 minutes
3.68 minutes
One death every
18.8 minutes
2.16 minutes
Daily growth/decline +399 -86
Annual growth/decline +145,670 -31,533
Annual growth/decline rate +2.82% -0.17%
Population growth rate rank 18/197 172/197
One migration net change every
1.74 hours
18.1 minutes
Annual migration change -5,044 -29,041
Net migration rank 115/196 163/196
Foreign-born residents 195,937 655,579
Foreign-born residents rank 113/195 73/195
Foreign-born share of population 3.8% 3.4%
Foreign-born share rank 107/195 112/195

Natural population change vs migration

Mauritania
Natural

Migration
Romania
Natural

Migration
1x
Year Population change
Mauritania Romania
Natural Migration Natural Migration
2025 - -5,044 - -29,041
2024 147,927 -2,185 -100,975 -28,466
2023 145,164 2,999 -83,869 -27,780
2022 142,451 2,999 -93,338 89,076
2021 137,557 -1,483 -141,504 -17,731
2020 134,899 -1,483 -100,179 -13,202
2019 134,460 -3,019 -60,053 -27,909
2018 131,584 -2,987 -62,316 -33,018
2017 128,562 -3,001 -50,930 -33,081
2016 125,342 -3,008 -53,196 -33,073
2015 122,092 -3,019 -59,447 -35,751
2014 118,792 -2,980 -55,745 -35,448
2013 115,558 -2,987 -59,951 -34,910
2012 113,489 4,515 -54,157 -37,589
2011 111,165 3,272 -56,413 -102,769
2010 108,121 1,128 -46,567 -122,364
2009 105,273 -1,481 -34,625 -137,953
2008 102,432 -3,860 -30,806 -144,368
2007 98,895 -17,048 -37,590 -133,089
2006 94,991 -18,033 -38,148 -132,777
2005 90,940 -18,693 -40,508 -131,176
2004 87,578 -19,042 -42,904 -117,432
2003 83,804 -19,104 -56,093 -107,139
2002 80,993 -18,903 -58,673 -106,585
2001 78,769 -21,067 -37,625 -91,154
2000 75,929 -2,997 -22,443 -92,451
1999 73,554 -2,999 -31,461 -82,590
1998 72,045 -8,504 -33,761 -81,366
1997 71,327 -8,187 -42,853 -88,734
1996 71,939 -28,840 -56,548 -70,799
1995 72,244 -22,997 -36,295 -73,779
1994 70,570 5,304 -18,184 -76,246
1993 68,167 6,217 -13,658 -73,475
1992 63,501 34,505 -4,559 -63,200
1991 61,782 -2,997 25,301 -36,824
1990 59,934 -3,000 69,605 -38,157
1989 58,666 -17,941 122,756 -33,866
1988 56,654 -2,997 126,817 -48,911
1987 55,037 -2,998 128,517 -42,868
1986 53,313 -2,998 134,737 -50,450
1985 52,125 -2,998 111,392 -28,108
1984 50,705 -2,998 117,731 -24,629
1983 49,187 -2,998 87,986 3,093
1982 47,947 -2,998 119,121 -4,725
1981 46,641 -2,998 156,472 -20,870
1980 45,026 -2,997 168,776 -16,668
1979 43,537 -2,997 194,397 -29,600
1978 42,539 -2,998 204,148 -31,427
1977 41,352 -2,999 215,385 -28,135
1976 40,149 -1,645 213,361 18,748
1975 38,975 -1,472 219,324 9,125
1974 38,106 -1,321 235,530 6,725
1973 37,122 -1,201 175,020 58,651
1972 36,184 -1,139 198,316 61,920
1971 35,279 -1,014 206,662 74,473
1970 34,382 -855 234,905 71,919
1969 33,252 -688 264,120 74,851
1968 32,029 -565 338,577 33,601
1967 30,853 -514 347,709 37,282
1966 29,502 -466 115,293 -25,458
1965 28,028 -434 114,190 -60,430
1964 26,565 -390 134,326 -59,500
1963 25,250 -362 139,104 -58,076
1962 23,927 -342 130,736 -56,152
1961 22,781 -332 163,286 -54,642
1960 21,604 -318 191,431 -55,397

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

GeoRank.org/population/mauritania/romania | 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 Romania 83.4% is from natural causes (a loss of 805,807 people) and 16.6% is from migration (a loss of 160,935 people).

As of 2024, 195,937 residents or 3.8% of the population were not native-born in Mauritania, compared to 655,579 people or 3.4% in Romania.

Biggest cities by population

Mauritania
City Population
Nouakchott 1.45M
Rosso 61.2K
Romania
City Population
Bucharest 1.72M
Cluj-Napoca 287K
Iasi 272K
Constanta 264K
Timisoara 251K
Brasov 238K
Craiova 234K
Galati 218K
Oradea 183K
Ploiesti 181K

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/romania | 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.